Nokea
The nutrient that is needed in small amounts that helps to regulate body processes and perform chemical reactions is
- A. vitamins
- B. minerals
- C. fibre
- D. carbohydrate
Correct Answer: A
Rationale: Vitamins are required in small amounts to regulate body processes and support various chemical reactions in the body.
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Sieve plate is the found in the endothelium of:
- A. Hepatic sinusoids.
- B. Fenestrated capillaries of intestinal villi.
- C. Capillaries of islets of Langerhans.
- D. Lacteal lymphatic capillaries.
Correct Answer: A
Rationale: Sieve plates are clusters of fenestrae in the endothelium of hepatic sinusoids, allowing plasma exchange with the space of Disse.
The nephron is surrounded by capillaries. What is their name?
- A. Multitubular capillaries
- B. Unitubular capillaries
- C. Peritubular capillaries
- D. Polytubular capillaries
Correct Answer: C
Rationale: Peritubular capillaries surround the nephron, facilitating reabsorption and secretion.
Which of the following would MOST directly affect the operations of the digestive system?
- A. osteoporosis
- B. liver damage
- C. heart attack
- D. kidney failure
Correct Answer: B
Rationale: Liver damage directly impacts digestion by reducing bile production, essential for fat breakdown.
Which layer of GI tract forms the innermost lining and continuously secretes mucus?
- A. serosa
- B. muscularis externa
- C. muscularis mucosa
- D. mucosa
Correct Answer: D
Rationale: The mucosa is the innermost layer of the GI tract, lined with epithelial cells that secrete mucus to protect the tract and lubricate food passage.
In stomach after physical and chemical digestion food is called:-
- A. Chyme
- B. Chyle
- C. Amino acid
- D. Bolus
Correct Answer: A
Rationale: Food in the stomach after digestion is called chyme.