Nokea
Bile Juice is formed in the
- A. Kidney
- B. Salivary Gland
- C. Liver
- D. Lung
Correct Answer: C
Rationale: The liver is the largest gland in the body and mainly secretes 'Bile Juice' which is stored in the gall bladder. Bile juice is released into the small intestine to aid in fat digestion.
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The small intestine of a person contains a lower concentration of glucose than is present in the blood. The cells of the villi absorb glucose. By which process is the glucose absorbed?
- A. by active transport against the concentration gradient
- B. by active transport down the concentration gradient
- C. by diffusion against the concentration gradient
- D. by diffusion down the concentration gradient
Correct Answer: A
Rationale: Glucose absorption in the small intestine occurs through active transport, particularly when the concentration of glucose is higher in the blood than in the intestine. This requires energy to move glucose against its concentration gradient.
All about vermilion zone (free red margin) of lip is true EXCEPT:
- A. Covered by modified mucous membrane
- B. The epith covering has clear keratin superficial layer.
- C. Show deep & numerous dermal papilla
- D. Show NO skin appendages.
Correct Answer: A
Rationale: The vermilion zone is covered by modified skin, not a mucous membrane, though it lacks skin appendages and has a thin keratin layer.
Match: Villi
- A. projections in the small intestine that absorb nutrients
- B. storage structures
- C. enzyme producers
- D. muscular layers
Correct Answer: A
Rationale: Villi are finger-like projections in the small intestine that increase surface area for efficient nutrient absorption.
Which of the following is a function of gall bladder?
- A. Deamination
- B. Bile storage
- C. Synthesis of plasma protein
- D. Storage of fat soluble vitamin
Correct Answer: B
Rationale: The gall bladder stores bile produced by the liver.
What do you mean by the process of digestion?
- A. Conversion of complex substances into simpler form
- B. Absorption of monomers by the body
- C. Conversion of monomers into polymers
- D. Absorption of water and food
Correct Answer: A
Rationale: Digestion is the breakdown of complex food substances into simpler forms for absorption.