ASPEN Practice Test Flashcards
The primary difference between renal and standard intravenous amino acid formulas is that renal formulas contain a higher proportion of which type of amino acids?
1: Non-essential
2: Conditionally essential
3: Essential
4: Branched-chain
3: Essential
What trace element should be monitored in a child with chronic diarrhea?
1: Iron
2: Zinc
3: Copper
4: Selenium
2: Zinc
Enteral nutrition (EN) may be contraindicated in the early post-transplant period in adult patients with hematopoietic cell transplants because of
1: increased incidence of sinusitis with enteral feedings.
2: lack of benefit from enteral feedings in allogeneic patients.
3: gastrointestinal toxicities related to the conditioning regimen.
4: improved survival seen in autologous patients receiving parenteral nutrition.
3: gastrointestinal toxicities related to the conditioning regimen.
A patient arrives in your clinic complaining of intermittent catheter malfunction. You identify that the catheter malfunction is relieved by raising the patient’s arm where the catheter is located. Which condition should be suspected?
1: Fibrin sheath
2: Pinch-off syndrome
3: Superior vena cava syndrome
4: Catheter migration
2: Pinch-off syndrome
Absorption of large polypeptides, oligopeptides and free amino acids takes place in the
1: small intestine.
2: stomach.
3: large intestine.
4: mouth.
1: small intestine.
Which of the following is a risk factor for the development of PN-associated liver complications in PN-dependent patients?
1: Short bowel syndrome
2: Cyclic infusion of PN
3: Supplemental trophic enteral feeding
4: Medication therapy with ursodiol
1: Short bowel syndrome
Following initial certification of parenteral nutrition by Medicare, after what length of time is recertification required?
1: 6 months
2: 1 year
3: 1 month
4: Never
1: 6 months
A patient receiving PN is afebrile, has negative blood cultures, but presents with redness and purulence at the catheter exit site. How is this exit site infection best managed?
1: Remove central venous catheter (CVC)
2: Exchange catheter over a guidewire
3: Initiate systemic antimicrobial therapy
4: Apply topical antibiotic ointment
3: Initiate systemic antimicrobial therapy
Which of the following compromises the reliability of urinary urea nitrogen to calculate nitrogen balance?
1: protein intake 2.5 L
4: fecal nitrogen >1g
2: creatinine clearance
Medicare reimbursement for home and community-based professional nutrition educational services provided by a registered dietitian is restricted to patients who
1: live alone.
2: have cancer.
3: are over the age of 65.
4: have diabetes or renal disease.
4: have diabetes or renal disease.
Modular products are used to enhance the nutrient profile of a feeding regimen. Which of the following combinations represents modular products?
1: Safflower oil, protein, glucose, and selenium
2: Glucose, glutamine, water, and MCT oil
3: Protein, cholecalciferol, fiber, and safflower oil
4: MCT oil, glucose, fiber, and protein
4: MCT oil, glucose, fiber, and protein
In which of the following patient populations is toxicity with fat soluble drugs most likely?
1: Obese elderly
2: Sedentary elderly
3: Malnourished elderly
4: Physically active elderly
1: Obese elderly
Phosphofructokinase, a rate-limiting enzyme of glycolysis, is inhibited when ATP is abundant. Why is this inhibition important?
1: Facilitates gluconeogenesis to maintain euglycemia
2: Allows the cell to divert glucose to be stored as glycogen
3: Promotes catabolism
4: Enhances the Tricarboxylic Acid (TCA) Cycle
2: Allows the cell to divert glucose to be stored as glycogen
A patient on long-term home enteral nutrition suddenly develops nausea and vomiting. The most likely cause is
1: frequent use of sorbitol-containing medications.
2: gastric outlet obstruction.
3: low osmolarity formula.
4: sudden decrease in enteral feeding rate.
2: gastric outlet obstruction.
A previously well-nourished patient with persistent fever is admitted to the hospital. His laboratory tests reveal: albumin, 2.1 g/dL; C-reactive protein, 12 mg/L; serum calcium of 7.2 mg/dL. Which of the following is the most likely reason of the hypoalbuminemia?
1: Caloric intake is below the recommendations
2: Protein intake is below the recommendations
3: Hypocalcemia
4: Inflammatory response
4: Inflammatory response
The use of enteral nutrition formulas enriched with branched-chain amino acids is best used for patients with
1: cirrhosis.
2: hepatic failure.
3: liver transplantation.
4: refractory encephalopathy.
4: refractory encephalopathy.
An enzyme deficiency commonly seen in African Americans and Native Americans is
1: lactase.
2: maltase.
3: amylase.
4: sucrase.
1: lactase.
Which of the following is a primary cause of oozing stools in a tube fed patient?
1: Fecal impaction
2: Fluid restriction
3: Physical inactivity
4: Narcotic usage
1: Fecal impaction
Which of the following best describes the use of artificial nutrition and hydration (ANH) in terminally ill patients?
1: Those who receive ANH have a more comfortable death
2: Those who have dysphagia survive longer with ANH
3: Those who receive ANH have a decrease in abnormal electrolytes
4: Those who receive no ANH survive as long or longer than those who do
4: Those who receive no ANH survive as long or longer than those who do
Which of the following parameters is not useful in assessing the efficacy of enteral nutrition in pregnancy?
1: Maternal weight gain
2: Fetal growth
3: Serum Albumin
4: Nitrogen balance
3: Serum Albumin
Which of the following tests is not used to assess vitamin A status?
1: Plasma carotenoid level
2: Serum retinol concentration
3: Plasma transthyretin-retinol binding protein (TTR-RBP) concentration
4: Serum retinol binding protein level
1: Plasma carotenoid level
Arginine supplementation should be used most cautiously in which of the following patients?
1: Trauma patients
2: Surgical patients
3: Septic shock patients
4: Immunocompromised patients
3: Septic shock patients
When transitioning a patient from hospital to home parenteral nutrition (HPN) support, screening criteria should include which of the following?
1: Transportation needed to make it to lab draws
2: Presence of electricity and sanitary water supply in the home
3: Cellular telephone access
4: A caregiver
2: Presence of electricity and sanitary water supply in the home
Increased mortality in maintenance hemodialysis patients has been associated with
1: low baseline body fat percentage and low muscle mass.
2: elevated albumin and decreased CRP values.
3: increased body mass index.
4: decreased serum cholesterol.
1: low baseline body fat percentage and low muscle mass.
The best approach to prevent PN-induced cholelithiasis is administration of
1: choline.
2: cholecystokinin-octapeptide (CCK-OP).
3: ursodiol.
4: oral or enteral feeding.
4: oral or enteral feeding.
Which of the following should always appear on the label of an enteral feeding product given to a patient in the hospital?
1: Product name, rate, volume, additives, caloric density,date and time the formula was prepared and hung
2: Patient identification, product name, administration method , date and time the formula was prepared and hung
3: Patient’s name, product name, rate, strength, osmolality, date and time the formula was prepared and hung
4: Patient’s name, room number, strength, additives, volume,date and time the formula was prepared and hung
2: Patient identification, product name, administration method , date and time the formula was prepared and hung
In response to illness and trauma, there is an increase in which of the following hormones?
1: Cortisol, epinephrine, growth hormone, and glucagon
2: Insulin, epinephrine, estrogen, and somatostatin
3: Glucagon, gastrin, insulin-like growth factor, and renin
4: Leptin, cortisol, growth hormone, and cholecystokinin
1: Cortisol, epinephrine, growth hormone, and glucagon
The presence of which of the following facilitates the absorption of sodium in the lumen of the small intestine?
1: Glucose
2: Potassium
3: Vitamin D
4: Protein
1: Glucose
Which of the following are considered the lowest risk candidates for initiation of parenteral nutrition (PN) in the home setting would be
1: infants.
2: teenagers.
3: intravenous drug abusers.
4: diabetic patients.
2: teenagers.
Serum conjugated bilirubin level is elevated in an adult patient with short bowel syndrome. The patient has been receiving a 12-hour cycle of 3-in-1 home parenteral nutrition (HPN) solution. The clinician’s initial plan may include Serum conjugated bilirubin level is elevated in an adult patient with short bowel syndrome. The patient has been receiving a 12 hour cycle of 3-in-1 home parenteral nutrition (HPN) solution. The clinician’s initial plan may include
1: removal of all trace elements from HPN.
2: increasing lipid calories to prevent essential fatty acid deficiency.
3: evaluation for possible overfeeding of dextrose and/or intravenous fat emulsion.
4: addition of carnitine and choline to the HPN.
3: evaluation for possible overfeeding of dextrose and/or intravenous fat emulsion.
Which of the following therapies would be considered most appropriate in the nutritional management of chronic lung disease?
1: Use of concentrated formula
2: Use of a high fat, low carbohydrate formula
3: Use of a hydrolyzed protein formula
4: Use of an MCT oil predominant formula
1: Use of concentrated formula
When used in assessment of critically ill children, how do predictive equations compare to indirect calorimetry?
1: No consistent comparison can be found
2: Equations typically overestimate needs
3: Equations typically underestimate needs
4: Equations correlate well with indirect calorimetry
1: No consistent comparison can be found
Which of the following is a sign observed in PN patients with inadequate chromium intake?
1: Weight gain
2: Hypoglycemia
3: Hyperglycemia
4: Rhabdomyolysis
3: Hyperglycemia
During extended periods of fasting (starvation), the main source of energy is from
1: protein catabolism.
2: gluconeogenesis.
3: glycolysis.
4: ketogenesis.
4: ketogenesis.
Which of the following best reflects the use of specialized nutrition support (SNS) in patients with a Do Not Resuscitate (DNR) status?
1: The DNR status is a contraindication to the provision of SNS
2: The DNR status should not preclude the initiation of SNS if the indications exist
3: The provision of SNS to a patient with a DNR status is based on individual state laws
4: SNS cannot be withheld or withdrawn in a patient with a DNR order, even if all agree that SNS is no longer meeting the desired goal
2: The DNR status should not preclude the initiation of SNS if the indications exist
Which of the following is TRUE regarding aspiration in critically ill children?
1: The incidence of aspiration directly caused by enteral nutrition is difficult to determine due to a lack of good clinical research
2: Increased gastric residuals are directly related to increased risk for aspiration
3: Children have strong coordination of pharyngeal muscles, making aspiration less likely than in adults
4: Children have strong cough reflex which helps protect them from aspiration
1: The incidence of aspiration directly caused by enteral nutrition is difficult to determine due to a lack of good clinical research
After placement of a central line, discovery of a pneumothorax during PN administration should be viewed as a
1: sentinel event.
2: process indicator.
3: resource indicator.
4: structural indicator.
1: sentinel event.
In an infant with adequate energy intake, what is the MINIMUM amount of fat emulsion containing long chain fatty acids needed to prevent essential fatty acid deficiency?
1: 0.2-0.4 g/kg/day
2: 0.5-1.0 g/kg/day
3: 1.1-1.5 g/kg/day
4: 1.8-2.0 g/kg/day
2: 0.5-1.0 g/kg/day
Which of the following best describes the addition of blue dye to enteral feedings?
1: It prevents aspiration of enteral formula
2: Its use in detection of aspiration is highly sensitive
3: It should be added only in small amounts
4: It is no longer recommended for the detection of aspiration of enteral formula
4: It is no longer recommended for the detection of aspiration of enteral formula