Nokea
Pancreatic juice contains a protein-splitting enzyme called:
- A. trypsin
- B. zymogen
- C. pepsin
- D. amylase
Correct Answer: A
Rationale: Trypsin is a pancreatic enzyme that digests proteins.
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Which process matches the definition: Vomiting - the result of forceful contractions of the diaphragm and abdominal muscles?
- A. Emesis
- B. Peristalsis
- C. Deglutition
- D. Segmentation
Correct Answer: A
Rationale: Emesis is the medical term for vomiting, involving forceful muscle contractions.
Process of absorption of nutrients is carried out by
- A. Passive transport
- B. Facilitated transport
- C. Active transport
- D. All of the above
Correct Answer: D
Rationale: Nutrient absorption involves passive, facilitated, and active transport mechanisms.
Our food mainly contains-
- A. Carbohydrates
- B. Cellulose
- C. Sucrose
- D. Glucose
Correct Answer: A
Rationale: Carbohydrates are the primary component of most diets.
Aldosterone does what?
- A. Prevents Na+ reabsorption
- B. Promotes Water reabsorption
- C. Promotes Na+ reabsorption
- D. Prevents water reabsorption
Correct Answer: C
Rationale: Aldosterone promotes sodium reabsorption in the distal tubule and collecting duct, indirectly aiding water retention.
Following a diagnosis of Zollinger-Ellison syndrome, a 70-year-old woman undergoes gastrectomy. Her physician informs her that she will require lifelong intramuscular vitamin B12 injections. Which specific type of cells' absence is responsible for the need for vitamin replacement?
- A. Chief cells
- B. G cells
- C. Goblet cells
- D. Parietal cells
Correct Answer: D
Rationale: Parietal cells produce intrinsic factor, necessary for vitamin B12 absorption; their absence after gastrectomy necessitates B12 injections.