Nokea
What additional role does the pancreas play?
- A. Regulates blood sugar
- B. Produces bile
- C. Stores vitamins
- D. Secretes mucus
Correct Answer: A
Rationale: The pancreas has an endocrine role, releasing insulin and glucagon to regulate blood sugar.
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What is the main role of the hepatic portal system?
- A. Regulating blood glucose levels through the release of insulin
- B. Supplying oxygen to the liver for metabolic processes
- C. Eliminating toxins from the bloodstream
- D. Filtering and processing nutrients absorbed from the gastrointestinal tract
Correct Answer: D
Rationale: The hepatic portal system transports nutrient-rich blood from the GI tract to the liver for processing and detoxification before entering systemic circulation.
Absorption of digested food chiefly occurs in-
- A. Stomach
- B. Colon
- C. Small Intestine
- D. Large Intestine
Correct Answer: C
Rationale: The small intestine is the main site for nutrient absorption.
Which of the following vitamins helps in the maturation of red blood cells?
- A. Vitamin D.
- B. Vitamin A.
- C. Vitamin B12.
- D. Vitamin B.
Correct Answer: C
Rationale: Vitamin B12 is essential for the maturation of red blood cells and DNA synthesis.
About nasopharynx all true except:
- A. Lined by pseudostratified epith.
- B. Contain pharyngeal tonsil.
- C. Contain palatine tonsil
- D. Follow nasal cavity.
Correct Answer: C
Rationale: The nasopharynx is lined by pseudostratified ciliated epithelium and contains the pharyngeal tonsil (adenoids), but the palatine tonsils are located in the oropharynx, not the nasopharynx.
The enzyme_________________________________ is made by the pancreas and breaks longer amino acid chains into short amino acid chains.
- A. secretin
- B. pepsin
- C. erepsins
- D. trypsin
Correct Answer: D
Rationale: Trypsin, secreted by the pancreas, breaks down larger polypeptides into shorter peptide chains during protein digestion.