Nokea
All about foliate papilla is true EXCEPT:
- A. Present at tip & sides of tongue rabbit
- B. Covered by st sq nonkeratinized epith.
- C. Rare in human but numerous in rabbits
- D. Its sides carry taste buds.
Correct Answer: A
Rationale: Foliate papillae are located on the posterolateral sides of the tongue, not the tip, and are rudimentary in humans but prominent in rabbits.
You may also like to solve these questions
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.
When a person eats some egg white, protein and water enter the stomach. Which substances are found leaving the stomach and leaving the small intestine?
- A. leaving the stomach: amino acids and water, leaving the small intestine: amino acids and water
- B. leaving the stomach: fatty acids, glycerol, and water, leaving the small intestine: fatty acids, glycerol, and water
- C. leaving the stomach: protein and water, leaving the small intestine: fatty acids and glycerol
- D. leaving the stomach: protein, amino acids, and water, leaving the small intestine: water
Correct Answer: A
Rationale: Proteins are partially digested in the stomach and converted to amino acids in the small intestine.
Blood from the intestines travels to the liver via the:
- A. hepatic artery
- B. mesenteric artery
- C. hepatic vein
- D. hepatic portal vein
Correct Answer: D
Rationale: The hepatic portal vein carries nutrient-rich blood from the intestines to the liver for processing before it enters systemic circulation.
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.
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.