ATI (0001-0348) Flashcards
A client newly diagnosed with type 2 diabetes mellitus has returned for a 6-week follow-up visit. The nurse should know that which of the following behaviors indicates that the client has adapted successfully to a situational role change?
Monitors blood glucose once a day
After a client views a video on an operative procedure, the best practice for the nurse is to
give the client a handout outlining information relayed in the video.
Which of the following nursing actions best promotes client safety when transcribing providers’ orders?
Verify the order sheet contains the correct client indentification
A nurse is caring for a client who has a nursing diagnosis of impaired swallowing following a cerebrovascular accident (stroke). Which of the following nursing interventions is appropriate for this client?
Restrict fluid intake.
A nurse is caring for a client who gave birth 10 hr earlier. The client is in the takingin phase of psychosocial and maternal adaptation. Which of the following is the most appropriate nursing intervention at this time?
Listen to the mother’s verbalization of her pregnancy and birth experience.
A nurse is caring for a client following a thyroidectomy. For which of the following complications should the nurse assess the client?
Laryngeal stridor
A nurse is assessing a client who has a nasogastric feeding tube in place. Which of the following actions should the nurse take to prevent aspiration?
Keep the head of the client’s bed elevated at least 30° at all times.
A nurse is teaching a client how to perform Kegel exercises. Which of the following client statements indicates understanding of the teaching?
I will determine which muscles to contract by stopping and starting my stream of unrine
A nurse is caring for a client with a terminal illness. The nurse recognizes that the family’s priority need for support will most likely occur when
making decisions about measures to prolong life and provide comfort.
A nurse is developing a discharge plan of care for an older adult client on a rehabilitation unit following a cerebrovascular accident. Which of the following has the highest priority when planning care to facilitate a timely discharge?
Arranging for transportation
A client with HIV is admitted to the medical-surgical unit with a respiratory infection. The client’s family member requests that fresh flowers be placed in the room every day. Which of the following is the appropriate nursing action?
Teach the family that fresh plants of any type are prohibited.
Which of the following is the highest priority for the circulating nurse in maintaining a safe operating room environment?
Reviewing the preoperative assessment
A client with a tracheostomy is being sent home to be cared for by the spouse. The nurse should include which of the following information in discharge teaching?
How to properly operate the portable suction machine
During the first 24 hr following a soft-tissue injury to the right ankle, which of the following nursing interventions will help reduce the client’s discomfort?
Apply an ice pack to the ankle for 20 to 30 min at a time.
A nurse is caring for a client with a mental health disorder. The client is agitated, and the nurse is concerned that the client may become aggressive. Fearful for his own safety, the nurse escorts the client to a room and locks her inside against her will. This action
could result in charges of false imprisonment for the nurse.
When instructing a client with an L1-2 spinal cord injury regarding self-care adaptations, which of the following is an appropriate recommendation?
Adaptive devices are available to help you put on your shoes.
A 1-year-old child is prescribed ibuprofen after having a febrile seizure. The nurse should teach the parents that the best way to administer the medication is
a suppository.
Which of the following strategies best ensures that all nurses on staff have certain skills and knowledge?
Completing annual competence assessments
Which of the following manifestations should a nurse expect to find in a client whose blood glucose is 650 mg/dL?
Cool, clammy skin
A nurse is caring for a client diagnosed with depression who has been prescribed a tricyclic antidepressant. The nurse should recognize that which of the following client statements indicates an adverse effect that should be reported to the primary care provider?
I haven’t been able to urinate for several hours.
A client is scheduled for laparoscopic surgery at 1400. At 1100, the surgeon visits the client’s room and exits after 5 min with a signed informed consent form. The client reports to the nurse that he did not understand the surgeon’s explanation. Which of the following actions should the nurse take?
Explain the procedure to the client and complete documentation.
Upon admittance to the hospital, a client states she does not have a written advance directive. After completing the admission assessment, the nurse explains that the client should complete an advance directive because it
finalizes the client’s decisions regarding life-saving measures.
A nurse is providing care to a client with a head injury and suspected diabetes insipidus. Which of the following laboratory values should the nurse expect with a diagnosis of diabetes insipidus?
Urine specific gravity of 1.001
A nurse is caring for a client who is postoperative for a thyroidectomy. The client is reporting paresthesias and muscle spasms. The nurse should anticipate a prescription for which of the following medications?
Calcium chloride (Calciject)
A nurse is caring for a child who has just been admitted to the acute care medical unit. Which of the following laboratory findings should the nurse recognize as indicative of rheumatic fever?
Elevated creatine kinase and troponin
A nurse who is a first responder to a biological or chemical attack recognizes that decontamination should preferably be done
near the scene of exposure.
Anurse recognizes which of the following older adult clients as being at the highest risk for a fall injury?
A client with aphasia following a cerebrovascular accident
A hospital visitor is experiencing a tonic-clonic seizure while visiting a client. To prevent injury to the visitor, the nurse should
clear furniture from around the visitor.
A client has just been diagnosed with gestational diabetes and is prescribed insulin injections. She tells the nurse that she doesn’t want to give herself shots and asks why she can’t take a pill instead. Which of the following nursing responses is appropriate?
Pills used to treat diabetes are more likely to cause hypoglycemia.
A nurse is caring for a client who had a transurethral resection of the prostate and is receiving a continuous bladder irrigation. At the conclusion of the shift, the nurse collects the following data:
Oral intake = 5 00 mL
Bladder irrigant infused= 3,000 mL
Foley catheter drainage= 4,000 mL
Which of the following is the client’s urinary output?
4,000 mL
Which of the following findings should indicate to a nurse that a client has been effectively treated for Mycobacterium tuberculosis?
Sputum culture negative for acid fast bacilli
A client wants to review his medical chart, and he asks the nurse if he can see it. The nurse should tell the client that
his request to view his medical chart must be made in writing.
Which of the following is an appropriate nursing intervention to take when caring for a client in a crisis?
Help the client to refocus and find constructive ways to cope.
A nurse is caring for a client with thrombophlebitis. Which of the following interventions is appropriate for this client?
Elevate legs with a pillow under the knees.
A nurse is caring for four clients who are hospitalized. In which of the following client situations should the nurse intervene by notifying the primary care provider?
A client snores loudly and reports headache when awakening.
While assessing a client in labor, the nurse observes the umbilical cord protruding from the client’s vagina. After calling for assistance and requesting that the primary care provider be notified, the nurse should immediately
position the client on her side and insert a sterile gloved hand into the vagina to take pressure off the cord.
A nurse is planning discharge teaching for the parents of a child with cystic fibrosis. Which of the following is most important for the nurse to emphasize?
Provide an environment that is free of allergens.
A nurse is caring for four clients, each of whom has an assistive device. Which of the following clients needs further instruction?
A client who locks both of his elbows when using his crutches to ambulate to the bathroom
When performing a mental status examination, a nurse should recognize that which of the following client findings indicates impaired cognition?
The client frequently asks, “Where am I?”
A nurse is caring for a client receiving mechanical ventilation via an endotracheal (ET) tube. The high-pressure alarm is beeping, and the client is experiencing respiratory distress. The nurse is unable to determine the cause of the alarm. Which of the following actions should the nurse take next?
Reevaluate the client for an ET cuff leak.
A client is receiving epoetin alfa (Epogen) for treatment of anemia secondary to bone cancer. Which of the following client findings indicates the hematopoietic growth factor treatment has been effective?
Hemoglobin levels are within normal limits.
While visiting a family health clinic, a 19-year-old client requests information regarding the correct use of condoms. Which of the following statements made by the nurse is correct?
When using implanted contraceptive methods, condoms should also be used to protect against STDs.
A nurse is caring for a client with an upper gastrointestinal bleed. When performing a saline lavage through a nasogastric tube, the nurse should use which of the following techniques to prevent gastric aspiration?
Instill a minimum volume of 300 mL ofNS.
One of the clients assigned to a nurse has become medically unstable. Due to the time the nurse must now spend with this client, provision of care to other assigned clients will be difficult. Which of the following tasks could be delegated to assistive personnel (AP)?
Feeding a client who has a history of aspiration
A nurse is providing palliative care to a client and his family. Which of the following statements by the family indicates an understanding of palliative care?
The nurse will help control my father’s pain.
When providing safe care to a client being placed in restraints, which of the following nursing interventions is appropriate?
Insert two fingers between the client and the restraint after it is secured to ensure that the fit is loose enough.
Staff nurses on a medical unit implement a new program to improve cost effectiveness. Prior to exiting clients’ rooms, the nurses are to ask, “Is there anything I can get you before I leave?” Which of the following suggests that the new program is effective at reducing costs?
The staff nurses are spending less time at the bedside performing non-nursing tasks.
A nurse is caring for a child with a new onset of seizures who is about to undergo an electroencephalogram (EEG). Which of the following should be included in teaching the child and parents about the procedure?
Wash the child’s hair with mild shampoo prior to the procedure.
A nurse is caring for four clients who are scheduled for surgery today. Which of the following indicates that a client needs further intervention before surgery?
A client whose INR is 2.1 and PTT is 2 times the normal value
A nurse is caring for a client with a peripherally inserted central catheter (PICC). Prior to initiating an infusion through the PICC line, the nurse should take which of the following actions?
Confirm placement via chest x-ray.
A client is taking an opioid for pain postoperatively. He tells the nurse, “I haven’t had a bowel movement for 3 days, and I normally go every day.” Which of the following is the nurse’s most appropriate response?
A side effect of your pain medication is constipation. I will contact the doctor for a laxative prescription.
A nurse is performing initial rounds and assesses four clients. Which of the following occurrences should be documented and reported to the charge nurse immediately?
A client with diabetes mellitus has a blood glucose level of 150 mg/dL.
A nurse is directing the care of multiple clients. In determining how to best utilize the skills of a team that includes RN s, licensed practical nurses, and assistive personnel, which of the following is the most important information source?
Team member job descriptions
A nurse is caring for a client who has a urinary tract infection and has been receiving a broad-spectrum cephalosporin. Which of the following serum laboratory results indicates medication effectiveness?
WBC 9,200/mm³
A nurse is caring for an infant receiving oxygen via an oxygen hood. Which of the following client findings indicates that the client may be experiencing oxygen toxicity?
Substernal retractions
A nurse is providing discharge instructions to the parents of a newborn. Which of the following instructions regarding newborn safety is most important for the parents to understand?
Secure the newborn in a rear-facing approved infant car seat when riding in a motor vehicle.
A nurse is caring for a client on his first day after having knee surgery. Morning assessment reveals a pain level of 8/10 and a blood pressure of 180/90 mm Hg. Which of the following nursing actions should the nurse take first?
Administer pain medication.
A nurse should give priority to which of the following interventions when initiating IV antimicrobial therapy?
Review the client’s allergy history.
A child is 6 hr post abdominal surgery. One hour ago, the nurse administered morphine sulfate for pain. Which of the following behaviors is the best indicator that the pain medication has been effective?
Points at smiling face on rating scale
A nurse is positioning a client for a cesarean birth. To prevent a compromise in placental blood flow during the intraoperative period, the nurse should
assist the client into the lithotomy position.
Which of the following interventions should the nurse include in the client’s plan of care to prevent development of phlebitis from a peripheral IV?
Flush the IV site every 4 hr.
A client’s orders include D5W 1,000 mL over 8 hr. The tubing drip rate is 10 gtt/mL. The nurse should adjust the flow rate to which of the following infusion rates?
21 gtt/min
A client is to receive 300 mg phenytoin (Dilantin) by mouth twice daily. The medication is available in a 125 mg/5 mL solution. How many milliliters should the nurse administer for each dose?
12 mL
A client with gestational hypertension is experiencing toxic effects from magnesium sulfate therapy. The nurse should anticipate administering which of the following medications to counteract the adverse effects?
Calcium gluconate
A newborn whose mother had gestational diabetes is hypoglycemic at birth. Which of the following actions should the nurse take?
Feed the newborn as soon as possible.
A nurse in an outpatient clinic is reviewing the results of four clients who have had screening procedures. Which of the following results indicates a need for client follow-up?
Fasting blood glucose level 250 mg/dL; female, age 47
A nurse is teaching a client with GERD about omeprazole (Prilosec ). Which of the following indicates a need for further teaching?
I should take it before breakfast.
Which of the following statements made by a client indicates that the client has developed trust with the nurse?
I would like to discuss a painful experience.
After giving 5 mg of morphine to a client from a 10 mg vial, the nurse should do which of the following with the remaining morphine?
Dispose of it with a licensed witness.
A nurse is caring for a client with bone cancer who is taking morphine sulfate to control generalized pain. The primary care provider also prescribes amitriptyline (Elavil). The nurse recognizes that the rationale for the addition of amitriptyline is to
decrease agitation.
A 2-month-old infant has received immunizations at a well-child appointment. The nurse should instruct the parent to report which of the following within the first 48 hr?
A fever greater than 38.9° C (102° F)
An older adult client who resides in a long-term care facility reports insomnia and excessive daytime sleepiness. To promote rest for the client, the nurse should plan to perform which of the following interventions?
Assess the client’s usual bedtime routine.
A client’s advance directive states that he does not want dialysis when his health condition worsens. The client is currently competent and agrees to dialysis. The nurse should
schedule the dialysis since the client is able to make his own decisions.
Which of the following best indicates to a nurse that a terminally ill client’s spiritual needs are being met?
The client is able to discuss his thoughts concerning death with the nurse.
A nurse should recognize that which of the following older adults is at the highest risk for social isolation?
client who is oxygen dependent and lives alone in an apartment community
When performing a 12-lead ECG for a client, the nurse should take which of the following actions?
Place the client in Fowler’s position with arms resting comfortably at his sides.
A nurse is discharging a client who has a colostomy. The client states that she would like to use her moisturizing soap to clean around the stoma. Which of the following responses by the nurse is most appropriate?
Lubricants in moisturizing soaps may interfere with adhesion of the appliance.
A nurse is providing dietary instruction to a client diagnosed with acute cholecystitis. The nurse recommends which of the following as the most appropriate food choice for lunch?
Fresh broccoli and cauliflower
A nurse is caring for a client admitted with a spinal cord injury. After the nurse immobilizes the spine, which of the following is the next priority?
Assess respiratory pattern and effort.
Following a gastric resection, a client experiences a cramping sensation, increased pulse rate, dizziness, and nausea after eating a meal. To help reduce these symptoms, the nurse instructs the client to
restrict liquids during, at least 1 hr prior to, and after meals.
A nurse is performing a nonstress test on a client who is pregnant at 41-weeks gestation. The nurse notes that the client is having contractions every 2 to 3 min. Which of the following actions should the nurse take first?
Place the client in a side-lying position.
A nurse is caring for an older adult client who has chronic renal failure and is prescribed acetaminophen for fever. The nurse can expect that the dosage will be
less than the recommended dose.
A nurse is caring for a client immediately following surgery under general anesthesia. The client’s pain is being managed by morphine via a patient-controlled analgesia pump. The nurse should give priority to assessing the client for which of the following adverse medication interactions?
Decreased respiratory rate
A nurse is preparing an adolescent client for allergy skin testing. The nurse should expect the adolescent to select which of the following instructional approaches?
Individual instruction by a nurse regarding skin testing in a quiet learning environment
A nurse is caring for a client with herpes zoster. Which of the following statements indicates that the client needs more teaching?
I will take ibuprofen for my pain.
A client is transferred from the PACU to a private room on the surgical unit. During the nurse’s initial assessment, the client begins to vomit. Which of the following is the nurse’s priority intervention?
Position the client on her side.
A primary care provider is about to discontinue a client’s chest tube without giving the client’s preprocedure pain medication time to be effective. Which of the following actions should the nurse take at this time?
Inform the provider that not enough time has passed for the medication to work effectively.
A 4-year-old child is being seen in the emergency department after being involved in a motor vehicle crash. The child has a fractured humerus and will be placed in a synthetic cast prior to discharge. Which of the following is an appropriate intervention to include in parent teaching?
Check movement and sensation of the extremity frequently.
Parents of an infant ask for information regarding immunization schedules. The nurse should suggest that the parents obtain the most current immunization schedule from which of the following sources?
Centers for Disease Control Web site
A nurse is caring for a client who has permanent drooping on the left side of the face following a cerebrovascular accident (stroke). The client refuses to see any family members. Which of the following interventions will best help the client adapt to this body image change?
Educate the client about short- and long-term effects of stroke.
A nurse is taking the blood pressure of a client who has come to the clinic for a blood pressure check due to suspected hypertension. Which of the following techniques is appropriate?
Position the client’s arm above the level of the heart while obtaining the reading.
A nurse is caring for a client following a total hip arthroplasty. The client’s legs are too large for antiembolic stockings/devices. Which of the following interventions should the nurse expect to implement?
Elevate the foot of the bed.
A nurse should recognize that which of the following clients is at greatest risk for developing acute poststreptococcal glomerulonephritis?
A 7-year-old boy recovering from impetigo
A nurse is caring for a client with an epidural catheter for opioid administration for pain control. When the nurse is changing the dressing, which of the following is the highest priority?
Preventing catheter dislodgment
Which of the following client findings indicates a need for complementary therapy?
A client with diabetes mellitus is noncompliant with his diet.
Which of the following findings best indicates that outcomes have been met for a client who has been physically abused by her spouse?
The client reports that she has a safety plan in place and will implement it when necessary.
An RN has delegated a Foley catheter insertion to a licensed practical nurse (LPN) for a client who has been unable to void for 10 hr. Which of the following outcomes will require further intervention by the RN?
The LPN reports 60 mL of clear, straw-colored urine output.
A nurse is teaching the parents of a 6-year-old child who has sickle cell anemia about the disorder. To prevent a sickle cell crisis, the nurse emphasizes the importance of
adequate hydration.
A client who is receiving phenytoin (Dilantin) for seizure disorder has been prescribed isoniazid (INH) and rifampin (Rifadin). Which of the following should the nurse conclude if the client develops ataxia and incoordination?
The client is showing evidence of phenytoin toxicity.
A nurse is caring for a client who has undergone a modified radical mastectomy. The client has two Jackson-Pratt drains. The nurse should
empty and compress the reservoir.
A client who has a second-degree bum tells the nurse that the dressing changes are very painful. Which of the following nursing interventions is appropriate?
Teach the client relaxation techniques to be used during dressing changes.
A nurse is preparing an older adult client for discharge. As the nurse is going over the discharge instructions, the client says, “Can I stay at the hospital for a couple more days? My daughter is supposed to stay with me, and I’m worried because we don’t always get along.” The appropriate action by the nurse is to
report a possible case of older adult abuse to the state authorities.
When providing nursing care and support for a client with a gambling dependency, which ofthe following is the·most appropriate intervention?
Establish client goals and have the client explain what actions he will take to prevent and manage gambling relapses.
A nurse is admitting an older adult client who is transferring from another facility. The nurse notes pressure ulcers on the client’s coccyx and abrasions around both wrists. Which of the following actions should the nurse take to address suspicions of abuse?
Notify the appropriate state agency about the client’s condition.
A nurse is receiving a change-of-shift report on four clients. Which of the following clients is at the greatest risk for developing an infection?
A client who takes prednisone every morning
A nurse delegates the task of ambulating a client to an assistive personnel (AP). At the end of the shift, the nurse discovers that the client has not been ambulated. This situation could have best been avoided if the nurse had
emphasized to the AP the importance of ambulating the client.
A nurse is planning health promotion education for adolescents. Which of the following interventions is appropriate?
Distribute detailed visual handouts regarding the impact of smoking on lifelong health.
A nurse is discussing circumcision with a new mother. Which of the following actions should the nurse take to ensure informed consent?
Explain the consent form for the procedure.
A client is diagnosed with an acute myocardial infarction and is being treated with a thrombolytic, aspirin, and IV heparin in the emergency department. Which of the following findings indicates that the client is experiencing a satisfactory response to these interventions?
The client’s aPTT is two times the control.
A nurse is caring for a client with hyponatremia and heart failure. The assessment reveals moist lung sounds, bounding pulse, increased blood pressure, and pitting peripheral edema. Which of the following should be the nurse’s priority intervention?
Administer diuretics.
A nurse is assessing a client who has been taking an estrogen-progestin oral contraceptive. Which of the following side effects should the nurse recognize as being related to an excess of estrogen?
Weight gain
A nurse is teaching a client stress management techniques. Which of the following client statements indicates effective learning?
I write in my journal to express my feelings, even though my grammar is bad.
A nurse is preparing to perform a sterile wound irrigation and dressing change for a client. Which of the following actions by the nurse indicates a break in surgical aseptic technique?
Balancing the bottle on the sterile basin while pouring the liquid
A nurse is providing teaching to a family of an infant with decreased cardiac output due to congenital heart disease. Which of the following strategies regarding care for this infant should be included in the teaching?
Observe for signs of hunger, such as sucking on fists, in order to feed the infant before crying occurs.
A nurse is providing discharge teaching to a client following a total hip replacement. Which of the following statements made by the client indicates an understanding of the discharge teaching?
I won’t cross my legs when I sit in a chair.
A nurse is providing client teaching regarding sumatriptan (Imitrex). Which of the following client statements indicates that the client understands the expected effects and appropriate uses of this medication?
I should use this medication daily to prevent reoccurrence of my migraines.
A nurse is instructing an adolescent recently diagnosed with type 1 diabetes mellitus about self-blood glucose monitoring (SBGM). Which of the following is the most important reason the adolescent should perform SBGM?
Modification of insulin regimen to maintain normal glucose levels
A nurse is assigned to care for a client who is managing his own continuous ambulatory peritoneal dialysis treatment at home. The nurse is unfamiliar with the client’s plan of care. The nurse should
review the procedure and care standard.
Which of the following assessment findings indicates a complication following an angiogram with a femoral approach?
A decrease in pedal pulse from baseline
Which of the following clients is appropriate for the nurse to refer to speech therapy for a swallow evaluation?
An older adult who has difficulty taking in fluids
Which of the following is an activity a nurse should engage in to assist in disaster preparedness?
Participate in community drills and mock events.
A nurse is caring for a client who has right-sided weakness after a recent cerebrovascular accident (stroke). The nurse should
provide neurosensory stimulation for the client.
Following a cerebrovascular accident (stroke), a client experiences right hemiparesis and expressive aphasia. Which of the following best promotes communication among health care team members?
Swallowing precautions are posted above the head of the client’s bed.
Which of the following clients should a nurse evacuate first when a fire occurs?
A client who is bedridden and hearing impaired
Which of the following nursing interventions should a nurse implement when using music therapy to assist a client in controlling his pain?
Plan for sessions that last about 30 min to maximize the therapeutic value.
A client is diagnosed with a pulmonary embolism. Which of the following client findings is consistent with effective treatment?
The client reports feeling less anxious.
A nurse is developing a plan of care for an older adult client with hearing loss. Which of the following interventions should be included in the plan?
Get the client’s attention before speaking.
A nurse is providing teaching to clients in an outpatient mental health setting. Which of the following client statements indicates understanding of the teaching?
A client taking sertraline (Zoloft) states she knows she will not feel the full benefits for 2 to 3 months.
A nurse is caring for a client who is undergoing external radiation treatment for cancer. Which of the following should be included in the client teaching?
Wear protective clothing when out in the sun.
A client is admitted with second-degree bums over 30% of her body. She is prescribed 4,080 mL/24 hr of lactated Ringer’s solution IV. Which of the following infusion rates will assure that the client will receive ½ of the total volume within the first 8 hr?
255 mL/hr
A charge nurse is attempting to resolve a conflict between two nurses who both insist that the charge nurse favors the other when making daily assignments. Which of the following is the most effective conflict-resolution strategy that the charge nurse can use?
Collaborate with the two nurses when making assignments.
A nurse is caring for a client with pneumonia who has just been diagnosed with HIV. The nurse learns that the client’s partner seldom visits since the diagnosis. Which of the following strategies is appropriate for the nurse to implement?
Refer the matter to a social worker.
A nurse is caring for a client with Crohn’s disease. Which of the following breakfast menu items is appropriate for this client?
Whole grain cereal
A nurse is caring for an older adult client in a long-term care facility. Recent laboratory values show increased hemoglobin, hematocrit, and urine osmolarity. These findings suggest
dehydration.
A client is admitted to the emergency department following a motor vehicle crash. Which of the following findings is consistent with hypovolemic shock?
Change in level of consciousness
A labor nurse is caring for a woman in active labor who does not speak English. The client grimaces with each contraction but remains silent. The nurse should first
assess the client’s pain level with a visual analog scale.
When performing triage during a community disaster, a nurse should understand that the highest priority clients in a disaster situation are those who have lifethreatening injuries and
have a high probability of survival after stabilization.
A nurse is caring for a client with heart failure who is receiving D5NS at a rate of 125 mL/hr. The client reports shortness of breath. Which of the following actions should the nurse take first?
Decrease the IV fluid flow rate.
When reviewing the ABGs of a client who has uncompensated respiratory alkalosis, the nurse should expect to see which of the following results?
pH of 7.46