Nokea
Fundic glands have the following features EXCEPT:
- A. Are found in gastric mucosa
- B. Are simple branched tubular glands
- C. Have short pits
- D. Its tubular acini are highly coiled
Correct Answer: D
Rationale: Fundic glands are straight or slightly branched, not highly coiled; pyloric glands are more coiled.
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Which type of digestion breaks down pieces of food into small molecules?
- A. chemical digestion
- B. peristalsis digestion
- C. mechanical digestion
- D. absorption digestion
Correct Answer: A
Rationale: Chemical digestion uses enzymes to break food into small molecules.
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.
What is the name of the tube that carries food from the mouth to the stomach?
- A. Trachea
- B. Oesophagus
- C. Duodenum
- D. Food tube
Correct Answer: B
Rationale: The esophagus is the muscular tube that transports food from the mouth to the stomach. The trachea is for air, the duodenum is part of the small intestine, and 'food tube' is not a scientific term.
A lack of functioning salivary amylase would prevent an individual from being able to digest lactose
- A. TRUE
- B. FALSE
Correct Answer: B
Rationale: Salivary amylase digests starches, not lactose. Lactose digestion occurs in the small intestine via lactase.
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.