Exam 2 Review Flashcards
What vitamins are fat-soluble? (SATA)
D, A, K, E.
In what foods is vitamin K found?
Parsley, dark leafy greens, grapes, hard boiled eggs.
True or false: fat-soluble vitamins can be toxic in high doses
True
What route is Thiamine commonly given?
IV
What is thiamine also called?
Vitamin B1
Where is folic acid absorbed and stored?
Absorbed in small intestine and stored in the liver and tissues
_________ plays a role in maintaining normal calcium and potassium balance and promotes neuromuscular activity in the CNS.
Magnesium
You are administering TPN (total parenteral nutrition) to a patient. You know that you must administer TPN through what?
Central line
An RN is being shadowed by a student nurse. Which statement by the student demonstrates proper understanding of the frequency of blood glucose checks with TPN?
“The patient needs a blood glucose check every 6 hours”.
True or False: The high glucose content of TPN puts the patient at risk for infection and the tubing should be changed daily.
True
True or False: Enteral nutrition does not require a functional GI system.
False
Elevating the head of the bed in tube feeding decreases the risk for __________.
aspiration
True or false: You should always assess bowel sounds before and after tube feedings.
True
__________ is used to supplement pancreatic enzymes in chronic pancreatic insufficiency such as chronic pancreatitis, gastrectomy, GI bypass surgery, and controls steatorrhea.
Pancreatin
Pancreatin is excreted through what?
The stool
What bacteria is known to cause peptic ulcers?
H.pylori
What are other causes of peptic ulcer disease?
NSAIDS
Surgery
Alcohol
Stress
Preventative measures for GERD include what?
Eating several hours before bedtime
Avoiding alcohol and smoking
Losing weight
Avoiding spicy and fatty foods
Omeprazole falls under what classification of medications?
PPI- proton pump inhibitors
How long should omeprazole be used for?
2 months
Omeprazole is metabolized by CYP450 enzymes. This means you should use caution in which patients?
Patients with hepatic impairment
True or False: It is okay to crush omeprazole.
False
What drugs interact with omeprazole?
Benzodiazepines
Warfarin
Clarithromycin
Sucralfate
Phenytoin
__________ inhibits the action of histamine at H2 receptor sites in gastric parietal cells resulting in inhibition of gastric acid secretion.
Famotidine
Patients taking famotidine should eat foods high in what vitamin?
Vitamin B12
True or False: There are systemic and non-systemic antacids.
True
True or False: Antacids neutralize HCL and promote ulcer healing.
True
________ is added to diphenoxylate HCL to discourage abuse.
Atropine
True or False: Lomotil promotes reabsorption of fluid through a prolonged transit time.
True
The patient taking Lomotil should avoid taking medications that ________ CNS depression.
Increase
Loperamide (Imodium) _________ intestinal motility
Decreases
Why should children not take bismuth subsalicylate?
May cause Reye’s syndrome.
Patients that are displaying which of the following should not take laxatives?
Severe abdominal pain that has not been diagnosed.
Hase nausea and vomiting.
Has a bowel obstruction.
What are the different classifications of laxitives.
Stimulant
Bulk forming
Emollients
Osmotic or saline
Hyperosmotic laxatives
Chronic constipation, diagnostic and surgical preps.
Emollient laxatives
Acute and chronic constipation, fecal impaction, facilitation of bowel movements in anorectal conditions.
Stimulant laxatives
Acute constipation, diagnostic and surgical preps
Bulk forming laxatives
Acute and chronic constipation, IBS, diverticulosis.
Saline laxatives
Constipation, diagnostic and surgical preps.
What condition are saline laxatives contraindicated in?
Heart failure
A patient admitted to the hospital reports that they use a laxative at home. When asked what the name is, the patient states that they can’t remember the name, but they DO know that it tastes chalky. What laxative is the patient most likely taking?
Milk of magnesia
A patient who has orders for Polyethylene glycol (golytely) reports that they don’t want to drink it because of the taste. What can make drinking this more palatable to the patient?
Refrigerate the medication
Lactulose is also used in _______ encephalopathy.
Hepatic
Lactulose reduces blood _______ levels.
Ammonia
Stimulant laxatives ________ the sensory nerve endings in the intestinal mucosa.
Irritate
True or false: You should administer stimulant laxatives at the hour of sleep.
False
Bulk forming laxatives are non__________
Absorbable
_______ and ______ is mixed with 8 oz of water, followed by another 8 oz of water. (separate answers with the word “and”)
methylcellulose and psyllium
Emollients ________ water retention in the stool
Increase
In open-angle glaucoma, theye trabecular meshwork is ____.
Open
In closed-angle glaucoma, the trabecular meshwork is blocked by the ____.
Iris
A patient presents with open-angle glaucoma and a change in iris color. What medication are they most likely taking?
Prostaglandin analogues
Beta adrenergic blockers reduce intraocular pressure by _________ the production of aqueous humor.
Decreasing
Most prostaglandin analogues end in what suffix?
-Prost
True or False: Rho kinase inhibitors lower the intraocular pressure by modulating the conventional aqueous outflow pathway.
True
Carbonic anhydrase inhibitors are ____ effective than other anti-glaucoma drugs.
Less
Anti-inflammatory agents are used for only _ week(s).
1
Ranibizumab, bevacizumab, pegaptanib, and aflibercept are drugs used for ___________________.
Macular degeneration
Anti-infectives used in ear disorders are used to treat what?
Acute otitis media
Acute otitis externa
Amoxicillin, azithromycin, and clarithromycin are used to treat acute otitis _____.
Media
Acetic acid, neomycin, hydrocortisone, and fluoroquinolones are used to treat acute otitis _______.
Externa
Cerumenolytics are separated into two different kinds. What are they?
Water and oil based
Pregnancy and breastfeeding should be avoided for how long after taking radioactive iodine?
6 months
PTU inhibits iodine and peroxidase from their normal interactions with _____________ to form T4 and T3.
Thyroglobulin
In hypothyroidism, T3 and T4 are _____
Low
In hyperthyroidism, T3 and T4 are _____.
High
True or false: Levothyroxine cannot be crushed
False
Armour thyroid is derived from _______ glands.
Porcine
Addison’s disease is an excess in glucocorticoids and mineralocorticoids.
False
It’s a deficit
True or False: Cushing’s disease is a deficit in glucocorticoids
False
It’s an excess
What kind of corticosteroid is prednisone?
Glucocorticoid
What electrolytes should be monitored while taking prednisone?
Potassium
Sodium
What drug inhibits accumulation of inflammatory cells at inflammation sites, phagocytosis, lysosomal enzyme release and synthesis, and release of mediators of inflammation?
Hydrocortisone
Glucose is stored in the liver as ________.
Glycogen
Insulin promotes uptake of _______ and ______ into the cell.
Potassium
Glucose
A normal A1C should be:
<7%
A normal fasting blood glucose level should be between:
70-99
What suffix does rapid-acting insulin end in
-Log
Lispro (Humalog)
aspart (Novolog)
What suffix does short-acting insulin end in?
-Lin
Regular (Humalin, Novolin)
NPH insulin is normally…
Cloudy
When drawing up both NPH and regular insulin, which one do you draw up first?
Regular
True or False: It is okay to draw up insulin in non-insulin syringes.
False
Insulin can last how many months when refrigerated?
3 months after opening
True or False: It is okay to freeze insulin
False
Do not freeze insulin
What is an off-label use for metformin?
PCOS
What route is metformin administered?
PO
True or False: Metformin should be held before a patient has surgery or when a patient will be NPO for a prolonged or unknown period of time.
True
Metformin should be taken _______ food.
With
Decongestants
Shrink nasal mucus membranes.
Nasal glucocorticoid
Decrease inflammation
Antihistamines
Reduces nasopharyngeal secretions.
Mucolytics
Thins and enhances flow of secretions
Expectorants
Loosen bronchial secretions
Antitussives
Suppresses cough
Phenylephrine and pseudoephedrine ____________ nasal capillaries.
Vasoconstrict
1st generation antihistamines (benadryl) cause drowsiness and 2nd generation antihistamines (claritin and zyrtec) are non-sedating.
True
Dextromethorphan when abused, gives the patient a sense of _______.
Flying
A patient was recently prescribed an expectorant.It is important to educate the patient to ________ fluid intake when taking this drug to help thin and loosen secretions.
Increase
___________ blocks the allergic cascade by inhibiting multiple inflammatory mediators and binding to the glucocorticoid receptors.
Fluticasone
When using an inhaler, a ______ is commonly used to increase delivery to the lungs.
Spacer
_________ don’t require hand-breath coordination
Dry powder inhalers
Nebulizers convert a drug solution into a ____.
Mist
Albuterol is a ______ adrenergic agonist.
Beta 2
True or False: A patient taking theophylline is at an increased risk for toxicity due to the narrow therapeutic index of the drug.
True
Is theophylline commonly used?
No
Ipratropium ______ muscarinic receptors in the lungs.
Blocks
Montelukast is used as a _______ therapy.
Adjunct (secondary)
__________ binds to glucocorticoid receptors in the cytoplasm of cells in the airways to decrease airway inflammation.
Budesonide
Cations carry a ________ charge.
Positive
Anions carry a ________ charge.
Negative
The extracellular fluid compartment is called what?
Interstitials
Intravascular
Transcellular or third space
True or False: The elderly are composed of more fluid than a newborn.
False
Signs of fluid volume _______ include low BP, tachycardia, dry mucous membranes, and decreased urine output.
Deficit
Signs of fluid volume _______ include edema, crackles of the lungs, increased urine output, weight gain, and respiratory distress.
Overload
Those with a fluid volume overload are most likely going to be put on what diet?
Sodium restriction
What is the normal range for sodium levels?
135-145
Hyponatremia is treated usually with what fluid?
3% saline
What mnemonic is used to remember the signs and symptoms of hyponatremia?
SALTLOSS
Stupor anorexia lethargy tendon reflexes (decreased) limp muscles (weakness) orthostatic hypotension seizures stomach cramping
What fluid replacement is used in hypernatremia?
Hypotonic
What is the normal level for potassium?
3.5-5
True or False: It is standard procedure to administer potassium via IV bolus.
False
Medications that are usually given for hyperkalemia include
10% calcium gluconate IV push -stabilizers cardiac membrane.
IV insulin and glucose- shift k+ back in cells
IV Sodium bicarb- increases pH & k+ back in cells
Kayexalate- poop k+ out
Albuterol nebulizer -lowers k+
Dialysis- in extreme cases
A normal calcium level is:
8.6-10.2
Calcium has an inverse relationship with:
Phosphorus
True or False: When giving PO calcium, you must also administer vitamin D.
True
Crystalloids
Contain fluid and electrolytes and freely cross capillary walls. NO proteins. Short term maintenance fluid, early plasma expansion.
Colloids
Large molecules, increased osmolarity without dissolving solution, expand vascular compartment.
Tonicity
Used primarily as a measurement of the concentration of IV solutions compared with the osmolality of body fluids.
Osmolarity
Refers to the concentration of particles in a solution.
Osmolality
Its number of particles per liter of solution.
D5W in neuro patients can cause _____________.
Cerebral edema
The only fluid that is hung with blood products is _________.
Normal saline
Potassium sparing diuretics
Spironolactone (Aldactone)
Thiazide diuretics
Hydrochlorothiazide (HCTZ)
Loop diuretics
Furosemide (Lasix)
Furosemide can cause what electrolyte imbalances?
Hypokalemia
Hyponatremia
Hypocalcemia
Hypomagnasemia
Thiazide diuretics can cause what electrolyte imbalances?
Hypokalemia
Hypomagnesemia
Hypercalcemia
Hyperglycemia
Hyperuricemia
Thiazide diuretics are contraindicated in:
Renal failure
Potassium sparing diuretics can cause what electrolyte imbalances?
Hypomagnesemia
Hyponatremia
Hypocalcemia
Hyperkalemia
Hyperglycemia
Hyperuricemia