BCNSP Certification Exam 2026: Board-Certified Nutrition Support
Pharmacist Practice Test — Clinical Nutrition, Parenteral Nutrition,
Enteral Feeding, Nutrient Requirements, Electrolyte Management &
Patient Safety — 190 Multiple-Choice Questions with Answers &
Detailed Rationales
Question 1
A 62-year-old male with a history of chronic alcoholism is admitted with confusion, ataxia,
and ophthalmoplegia. He has been eating poorly for weeks. Before administering any
glucose-containing fluids, which deficiency must be corrected to prevent worsening of his
neurologic symptoms?
A. Cyanocobalamin
B. Thiamine
C. Folate
D. Pyridoxine
Correct Answer: B
Explanation: Thiamine deficiency causes Wernicke encephalopathy; glucose administration
without thiamine can precipitate irreversible neurologic damage.
Question 2
Which hormone primarily regulates long-term energy balance by suppressing appetite
through hypothalamic receptor activation?
A. Ghrelin
,B. Leptin
C. Insulin
D. Glucagon-like peptide-1
Correct Answer: B
Explanation: Leptin is secreted by adipocytes and signals satiety to the hypothalamus;
ghrelin stimulates appetite.
Question 3
A patient with short bowel syndrome has 75 cm of remaining jejunum with an intact colon.
Which mechanism allows for partial absorption of malabsorbed carbohydrates in this
patient?
A. Gastric lipase activity
B. Colonic fermentation to short-chain fatty acids
C. Pancreatic enzyme secretion
D. Bile salt-dependent absorption
Correct Answer: B
Explanation: Colonic bacteria ferment malabsorbed carbohydrates into short-chain fatty
acids, which are absorbed and provide 1-2 kcal/mL.
Question 4
Which condition represents a malabsorptive disorder characterized by villous atrophy
triggered by gluten ingestion?
,A. Crohn disease
B. Celiac disease
C. Tropical sprue
D. Whipple disease
Correct Answer: B
Explanation: Celiac disease involves immune-mediated villous atrophy in response to gliadin;
treatment requires lifelong gluten elimination.
Question 5
A 45-year-old female with anorexia nervosa has a BMI of 13.2 kg/m². Which metabolic
adaptation is most likely present?
A. Increased resting energy expenditure
B. Enhanced thermogenesis
C. Decreased resting energy expenditure
D. Accelerated gastric emptying
Correct Answer: C
Explanation: Chronic starvation reduces REE as an adaptive mechanism; refeeding may cause
disproportionate metabolic demands.
Question 6
Which laboratory parameter best reflects acute changes in visceral protein status?
, A. Albumin
B. Prealbumin
C. Transferrin
D. Total lymphocyte count
Correct Answer: B
Explanation: Prealbumin has a half-life of 2-3 days, responding faster to nutritional changes
than albumin (~20 days).
Question 7
A patient with advanced cirrhosis and ascites requires nutrition assessment. Which
parameter is most reliable for determining fluid status?
A. Serum albumin
B. Daily weight
C. Serum sodium
D. Urine output
Correct Answer: B
Explanation: Daily weight, when adjusted for ascites management, remains the most
practical indicator of fluid shifts; albumin is unreliable in cirrhosis.
Question 8
Pharmacist Practice Test — Clinical Nutrition, Parenteral Nutrition,
Enteral Feeding, Nutrient Requirements, Electrolyte Management &
Patient Safety — 190 Multiple-Choice Questions with Answers &
Detailed Rationales
Question 1
A 62-year-old male with a history of chronic alcoholism is admitted with confusion, ataxia,
and ophthalmoplegia. He has been eating poorly for weeks. Before administering any
glucose-containing fluids, which deficiency must be corrected to prevent worsening of his
neurologic symptoms?
A. Cyanocobalamin
B. Thiamine
C. Folate
D. Pyridoxine
Correct Answer: B
Explanation: Thiamine deficiency causes Wernicke encephalopathy; glucose administration
without thiamine can precipitate irreversible neurologic damage.
Question 2
Which hormone primarily regulates long-term energy balance by suppressing appetite
through hypothalamic receptor activation?
A. Ghrelin
,B. Leptin
C. Insulin
D. Glucagon-like peptide-1
Correct Answer: B
Explanation: Leptin is secreted by adipocytes and signals satiety to the hypothalamus;
ghrelin stimulates appetite.
Question 3
A patient with short bowel syndrome has 75 cm of remaining jejunum with an intact colon.
Which mechanism allows for partial absorption of malabsorbed carbohydrates in this
patient?
A. Gastric lipase activity
B. Colonic fermentation to short-chain fatty acids
C. Pancreatic enzyme secretion
D. Bile salt-dependent absorption
Correct Answer: B
Explanation: Colonic bacteria ferment malabsorbed carbohydrates into short-chain fatty
acids, which are absorbed and provide 1-2 kcal/mL.
Question 4
Which condition represents a malabsorptive disorder characterized by villous atrophy
triggered by gluten ingestion?
,A. Crohn disease
B. Celiac disease
C. Tropical sprue
D. Whipple disease
Correct Answer: B
Explanation: Celiac disease involves immune-mediated villous atrophy in response to gliadin;
treatment requires lifelong gluten elimination.
Question 5
A 45-year-old female with anorexia nervosa has a BMI of 13.2 kg/m². Which metabolic
adaptation is most likely present?
A. Increased resting energy expenditure
B. Enhanced thermogenesis
C. Decreased resting energy expenditure
D. Accelerated gastric emptying
Correct Answer: C
Explanation: Chronic starvation reduces REE as an adaptive mechanism; refeeding may cause
disproportionate metabolic demands.
Question 6
Which laboratory parameter best reflects acute changes in visceral protein status?
, A. Albumin
B. Prealbumin
C. Transferrin
D. Total lymphocyte count
Correct Answer: B
Explanation: Prealbumin has a half-life of 2-3 days, responding faster to nutritional changes
than albumin (~20 days).
Question 7
A patient with advanced cirrhosis and ascites requires nutrition assessment. Which
parameter is most reliable for determining fluid status?
A. Serum albumin
B. Daily weight
C. Serum sodium
D. Urine output
Correct Answer: B
Explanation: Daily weight, when adjusted for ascites management, remains the most
practical indicator of fluid shifts; albumin is unreliable in cirrhosis.
Question 8
