Nokea
What happens during defecation?
- A. Food is chewed
- B. Nutrients are absorbed
- C. Chyme is formed
- D. Undigested waste is expelled
Correct Answer: D
Rationale: Defecation is the final stage where undigested waste (feces) is eliminated via the anus.
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During prolonged starvation, body derives nutrition from storage of -
- A. Liver and adipose tissue
- B. Spleen
- C. Liver and lungs
- D. Subcutaneous fat and Pancreas
Correct Answer: A
Rationale: During starvation, the body uses glycogen from the liver and fats from adipose tissue.
Functions of the Tongue papillae include the following except:
- A. The filiform papillae contain nerve endings specialized for touch.
- B. Enables animals in licking layers of solids and semisolids material.
- C. Most Fungiform and all the circumvallate papillae contain taste buds
- D. Von Ebner glands important in salivary secretion
Correct Answer: D
Rationale: Von Ebner's glands (serous glands) are associated with circumvallate papillae and aid in taste perception by secreting fluid, not general salivary secretion.
Based on knowledge of the location of the pancreas, how should the student explain the location of the surgical incision?
- A. Upper abdomen, behind the stomach
- B. Right lower quadrant
- C. Left lower quadrant
- D. Right upper quadrant
Correct Answer: A
Rationale: The pancreas is retroperitoneal, located in the upper abdomen behind the stomach.
Based on knowledge of the location of the pancreas, how should the student explain the location of the surgical incision?
- A. Upper abdomen, behind the stomach
- B. Right lower quadrant
- C. Left lower quadrant
- D. Right upper quadrant
Correct Answer: A
Rationale: The pancreas is retroperitoneal, located in the upper abdomen behind the stomach.
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.