Nokea
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.
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All of the following are true of the stomach EXCEPT?
- A. Pepsinogen is activated to pepsin by HCl
- B. Parietal cells secrete intrinsic factor
- C. Chief cells secrete pepsinogen
- D. The pyloric region is a major site for nutrient absorption
Correct Answer: D
Rationale: The pyloric region primarily functions as a regulator of food movement into the small intestine, not as a major site for nutrient absorption.
Which of the following is not a function of saliva?
- A. aids in protein digestion
- B. wets the food
- C. contains amylase
- D. chemical digestion
Correct Answer: A
Rationale: Saliva does not aid in protein digestion; it primarily helps in moistening food, contains amylase for carbohydrate digestion, and facilitates chemical digestion.
Match each term with the correct description: made up of organs that rid your body of wastes and control blood volume
- A. urethra
- B. urinary system
- C. bladder
- D. kidneys
Correct Answer: B
Rationale: The urinary system includes organs that remove wastes and regulate blood volume.
Out of four layers of alimentary canal, which one forms villi, (finger-like projection)?
- A. Serosa
- B. Mucosa
- C. Submucosa
- D. Muscularis
Correct Answer: B
Rationale: The mucosa layer forms villi, increasing the surface area for absorption in the small intestine.
The end product of digestion of starch which is absorbed into the bloodstream is:
- A. amino acid
- B. fatty acid
- C. glucose
- D. sucrose
Correct Answer: C
Rationale: Starch is broken down into glucose by enzymes like amylase and maltase, which is then absorbed into the bloodstream.