Nokea
Lamina propria of hard palate is formed by:
- A. Loose areolar connective tissue.
- B. Adipose tissue
- C. Periostium of the bone above
- D. Mucoid connective tissue.
Correct Answer: C
Rationale: The lamina propria of the hard palate is directly continuous with the periosteum of the underlying bone, providing a firm attachment. Loose areolar tissue is more typical in softer mucosal areas.
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Which of the following is a common passage in swallowing food and breathing-
- A. Pharynx
- B. Larynx
- C. Glottis
- D. Gullet
Correct Answer: A
Rationale: The pharynx serves as a common pathway for both food (to the esophagus) and air (to the larynx).
Duodenum has characteristic Brunner's glands which secrete -
- A. Estrogen
- B. Prolactin, parathormone
- C. Estradiol, progesterone
- D. Alkaline secretion
Correct Answer: D
Rationale: Brunner's glands secrete an alkaline mucus to neutralize acidic chyme from the stomach.
Besides carbohydrates, proteins, fats, vitamins and minerals, what other nutrient does your body need for life?
- A. DNA
- B. chlorophyll
- C. water
- D. none of the above
Correct Answer: C
Rationale: Water is an essential nutrient required for all bodily functions.
Absorption of fat occurs through the process of
- A. Active transport
- B. Facilitated transport
- C. Osmosis
- D. Simple diffusion
Correct Answer: D
Rationale: Fats, emulsified into micelles, are absorbed via simple diffusion into lacteals.
Match: Chyme
- A. a mixture of partially digested food, water, and gastric juice
- B. undigested fiber
- C. stored bile
- D. salivary secretion
Correct Answer: A
Rationale: Chyme is the semi-fluid mass of partly digested food expelled by the stomach into the duodenum.