Nokea
What is the structural composition of the liver?
- A. Composed of lobules with hepatocytes radiating from a central vein
- B. Composed of flat epithelial sheets
- C. Composed of acini surrounding ducts
- D. Composed of fibrous tissue only
Correct Answer: A
Rationale: The liver consists of lobules, functional units where hepatocytes radiate from a central vein, facilitating its metabolic roles.
You may also like to solve these questions
Largest gland of body -
- A. Pancreas
- B. Duodenum
- C. Liver
- D. Thyroid
Correct Answer: C
Rationale: The liver is the largest gland in the human body, performing numerous metabolic functions.
Neck of fundic [gastric] gland contain the following except:
- A. Mucous neck cells
- B. Paneth cells
- C. Parietal cells
- D. Stem cells
Correct Answer: B
Rationale: Paneth cells are found in the small intestine, not in gastric glands; the neck contains mucous neck cells, parietal cells, and stem cells.
Chymotrypsin is-
- A. Proteolytic enzyme
- B. Fat digestive enzyme
- C. Vitamin
- D. Hormone
Correct Answer: A
Rationale: Chymotrypsin is a proteolytic enzyme secreted by the pancreas.
Match: Incisors
- A. front teeth involved in biting food
- B. teeth used for grinding
- C. teeth for tearing meat
- D. teeth for crushing
Correct Answer: A
Rationale: Incisors are the front teeth primarily used for cutting or biting food.
Which of the following statements best describes the migrating motor complex (MMC)?
- A. It is responsible for the peristaltic movement of food along the entire gastrointestinal tract
- B. It is a cyclic pattern of motility that primarily occurs during the postprandial (after-meal) period
- C. It involves segmental contractions that aid in the mixing and breakdown of food particles
- D. It occurs during fasting and clears residual contents from the stomach and small intestine
Correct Answer: D
Rationale: The MMC is a fasting-state motility pattern that clears residual contents, regulated by motilin, not active postprandially.