Nokea
Brunner's gland are found in which of the following layers :
- A. Submucosa of stomach
- B. Mucosa of ileum
- C. Submucosa of duodenum
- D. Mucosa of oesophagus
Correct Answer: C
Rationale: Brunner's glands are located in the submucosa of the duodenum.
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Lier cells synthesize ______________.
- A. Bile juice.
- B. Trypsin.
- C. Amylopsin.
- D. Lipase.
Correct Answer: A
Rationale: Liver cells (hepatocytes) are responsible for synthesizing bile juice, which aids in fat digestion.
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.
The term used to describe the stomach's expansion to accommodate volume without any rise in intraluminal pressure is referred to as:
- A. Vomiting
- B. Activation of osmoreceptors
- C. Folding inward (invagination)
- D. Relaxation in response to stimulation (receptive relaxation)
Correct Answer: D
Rationale: Receptive relaxation allows the stomach to expand as food enters, mediated by the vagus nerve, without increasing pressure.
Which digestive processes take place in the mouth (buccal) cavity?
- A. chemical digestion
- B. mechanical digestion
- C. dissolving of nutrients
- D. all of the above
Correct Answer: D
Rationale: In the mouth, food undergoes mechanical digestion via chewing, chemical digestion through salivary amylase, and dissolving of nutrients.
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.