Nokea
The hepatic flexure of the large intestine occurs between the:
- A. transverse colon and descending colon
- B. cecum and ascending colon
- C. ascending colon and transverse colon
- D. descending colon and rectum
Correct Answer: C
Rationale: The hepatic flexure is located between the ascending colon and the transverse colon.
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Trypsin is an endopeptidase. What does this mean?
- A. It breaks the protein from the ends and middle forming smaller molecules
- B. It breaks the protein from the ends forming amino acids
- C. It breaks down carbohydrates forming sugars
- D. It breaks the protein in the middle of the molecule forming smaller polypeptides
Correct Answer: D
Rationale: Trypsin, an endopeptidase, cleaves peptide bonds within protein chains, producing smaller polypeptides.
Match each term with the correct description: filtering units of kidney
- A. urethra
- B. nephrons
- C. bladder
- D. kidneys
Correct Answer: B
Rationale: Nephrons are the filtering units within the kidneys.
Match each term with the correct description: filtering units of kidney
- A. urethra
- B. nephrons
- C. bladder
- D. kidneys
Correct Answer: B
Rationale: Nephrons are the filtering units within the kidneys.
Isthmus of fundic [gastric] gland contain the following except:
- A. Surface epithelial cells
- B. Parietal cells
- C. Chief cells.
- D. Stem cells
Correct Answer: C
Rationale: The isthmus contains stem cells, surface epithelial cells, and parietal cells, but chief cells are found deeper in the gland body and base.
What is the role of mucus secreted by the stomach?
- A. To protect the lining of the stomach
- B. To digest fats
- C. To kill the germs in the food
- D. To digest the proteins
Correct Answer: A
Rationale: Mucus or Gastric mucus is a gel barrier secreted by epithelial cells & glandular cells in the stomach wall. It protects the inner lining of the stomach from HCl.