Nokea
Lactose composed of :-
- A. Glucose + galactose
- B. Glucose + fructose
- C. Glucose + glucose
- D. Glucose + mannose
Correct Answer: A
Rationale: Lactose is a disaccharide made of glucose and galactose.
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Which of the following statements are true about the Pancreatic juice?
- A. Pancreatic juice is acidic.
- B. Pancreatic juice is alkaline.
- C. Pancreatic juice is neutral.
- D. All of the above.
Correct Answer: B
Rationale: Pancreatic juice is alkaline due to its bicarbonate content, which neutralizes the acidic chyme entering the duodenum.
Alcohol causes dehydration. How?
- A. Stimulates ADH production
- B. Replaces water in the body
- C. Makes you too drunk to drink water
- D. Inhibits ADH production
Correct Answer: D
Rationale: Alcohol inhibits ADH, reducing water reabsorption and increasing urine output, leading to dehydration.
Sweating during exercise will cause loss of water to the body. It is important to replace the water or could set in:
- A. leukemia
- B. dehydration
- C. heart disease
- D. diabetes
Correct Answer: B
Rationale: Dehydration occurs when water loss exceeds intake, a common risk during exercise.
When administered intravenously, this hormone has the capability to initiate a phase of robust sequential contractions in the proximal duodenum, which gradually moves towards the cecum:
- A. Cholecystokinin (CCK)
- B. Gastrin
- C. Motilin
- D. Secretin
Correct Answer: C
Rationale: Motilin triggers the migrating motor complex, initiating strong contractions from the duodenum to the cecum during fasting.
What statement is wrong about bile?
- A. It is necessary for fat digestion
- B. It is stored in the gall bladder
- C. It is important only for normal digestion of sugar
- D. It activates lipase
Correct Answer: C
Rationale: Bile is not involved in sugar digestion; it emulsifies fats for digestion.