Nokea
Which of the following is a function of gall bladder?
- A. Deamination
- B. Bile storage
- C. Synthesis of plasma protein
- D. Storage of fat soluble vitamin
Correct Answer: B
Rationale: The gall bladder stores bile produced by the liver.
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Kupffer cells are found in :
- A. Liver
- B. Kidney
- C. Heart
- D. Blood
Correct Answer: A
Rationale: Kupffer cells are macrophages found in the liver, involved in breaking down red blood cells.
Submandibular gland following is true except:
- A. Has thick capsule & thin septa
- B. Formed mainly of serous acini
- C. Has no striated ducts
- D. Secrete 70% of salivary secretion
Correct Answer: C
Rationale: The submandibular gland has prominent striated ducts, like other major salivary glands.
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.
Lipase breaks down molecules of fat into what?
- A. Fatty acids and sugars
- B. Fatty acids and glycerol
- C. Fatty acids and amino acids
- D. Fatty acids
Correct Answer: B
Rationale: Lipase hydrolyzes triglycerides into fatty acids and glycerol, which are then absorbed.
Which of the following is a key function of the liver?
- A. Produces bile for fat digestion
- B. Absorbs water
- C. Secretes saliva
- D. Moves food via peristalsis
Correct Answer: A
Rationale: The liver produces bile to emulsify fats, among other functions like detoxification and nutrient metabolism.