Nokea
What is the word to describe the breaking up of large fat droplets into smaller ones?
- A. Catabolism
- B. Lipidolysis
- C. Lysolipidisation
- D. Emulsification
Correct Answer: D
Rationale: Emulsification is the process of breaking large fat droplets into smaller ones, typically by bile salts, to aid digestion.
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In a clinical research study on intestinal motility, a 24-year-old male graduate student is involved. The peristalsis of the small intestine:
- A. Aids in the mixing of the food bolus
- B. Is regulated by the central nervous system (CNS)
- C. Includes the contraction of circular smooth muscle both behind and in front of the food bolus
- D. Encompasses the contraction of circular smooth muscle behind the food bolus and the relaxation of circular smooth muscle in front of the bolus
Correct Answer: D
Rationale: Peristalsis involves circular muscle contraction behind the bolus and relaxation ahead, propelling it forward.
How much of your blood passes through your kidneys each day?
- A. half of it
- B. none of it
- C. all of it
- D. one-quarter of it
Correct Answer: C
Rationale: All of your blood is filtered by the kidneys multiple times daily to remove wastes.
Jaundice is a disorder of :
- A. Skin and eyes
- B. Digestive system
- C. Circulatory system
- D. Excretory system
Correct Answer: B
Rationale: Jaundice is a digestive disorder caused by liver dysfunction, leading to bilirubin buildup.
Based on knowledge of the pancreas's role in digestion, what substance produced by the pancreas may be required as a supplement for long-term health management after its surgical removal?
- A. Pancreatic enzymes
- B. Vitamin B12
- C. Gastrin
- D. Bile salts
Correct Answer: A
Rationale: Pancreatic enzyme supplements are needed post-pancreatectomy to aid digestion.
One of the following is not a constituent of saliva:-
- A. Bicarbonate
- B. Lysozyme
- C. Glucose
- D. Immunoglobulin
Correct Answer: C
Rationale: Saliva does not contain glucose; it includes bicarbonate, lysozyme, and immunoglobulins.