Nokea
The kidneys, skin, and lungs are each a part of the system.
- A. integumentary
- B. respiratory
- C. excretory
- D. digestive
Correct Answer: C
Rationale: The kidneys, skin, and lungs are all part of the excretory system, removing various wastes.
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Which process is stimulated by adrenaline in the cells of the liver?
- A. breakdown of glycogen, increasing the blood glucose level
- B. breakdown of excess amino acids, forming urea
- C. breakdown of proteins, releasing amino acids into the blood
- D. conversion of excess blood glucose to glycogen
Correct Answer: A
Rationale: Adrenaline stimulates glycogenolysis in the liver, breaking down glycogen into glucose to increase blood glucose levels.
Match: Canines
- A. teeth used to grind meat
- B. teeth for tearing food
- C. teeth for crushing
- D. teeth for cutting
Correct Answer: B
Rationale: Canines are pointed teeth designed for tearing food, especially meat.
Pancreatic acinar cells, the following is true except:
- A. Contain basal basophilic striations
- B. Have receptors for cholecystokinin (secreted by enteroendocrine cells in intestine)
- C. Have receptors for cholecystokinin acetyl choline (for autonomic control)
- D. Secrete pepsinogen enzyme for protein digestion
Correct Answer: D
Rationale: Pancreatic acinar cells secrete digestive enzymes like amylase and lipase, not pepsinogen, which is from gastric chief cells.
Which of the following hormones is primarily responsible for stimulating the release of hydrochloric acid (HCl) from parietal cells during the gastric phase?
- A. Insulin
- B. Gastrin
- C. Glucagon
- D. Somatostatin
Correct Answer: B
Rationale: Gastrin, released by G cells, stimulates parietal cells to secrete HCl during the gastric phase of digestion.
How should the student explain the normal function of the pancreas in the process of digestion?
- A. Produces enzymes for digestion
- B. Stores bile
- C. Secretes gastrin
- D. Absorbs nutrients
Correct Answer: A
Rationale: The pancreas produces digestive enzymes (e.g., trypsin, amylase) for breaking down proteins, carbohydrates, and fats.