Nokea
In human body, the digestion of protein begins in which of the following organs?
- A. Liver
- B. Mouth
- C. Small intestine
- D. Stomach
Correct Answer: D
Rationale: The digestion of protein begins in the stomach, where pepsin, activated by hydrochloric acid, starts breaking down proteins into smaller peptides.
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Lactose composed of :-
- A. Glucose + galactose
- B. Glucose + fructose
- C. Glucose + glucose
- D. Glucose + mannose
Correct Answer: A
Rationale: Lactose is a disaccharide made of glucose and galactose.
Which organ in the digestive system absorbs the most water from food?
- A. esophagus
- B. large intestine
- C. small intestine
- D. stomach
Correct Answer: B
Rationale: The large intestine absorbs the most water from food, turning chyme into solid waste.
Adenoids are enlarged:
- A. Palatine tonsil
- B. Pharyngeal tonsil
- C. Lingual tonsil
- D. Laryngeal tonsil
Correct Answer: B
Rationale: Adenoids refer to the enlarged pharyngeal tonsil, located in the nasopharynx, which can obstruct breathing when hypertrophied.
Sweating during exercise will cause loss of water to the body. It is important to replace the water or could set in:
- A. leukemia
- B. dehydration
- C. heart disease
- D. diabetes
Correct Answer: B
Rationale: Dehydration occurs when water loss exceeds intake, a common risk during exercise.
Gastric lipase is secreted by -
- A. Stomach
- B. Pancreas
- C. Liver
- D. Ileum
Correct Answer: A
Rationale: Gastric lipase is secreted by the stomach to initiate fat digestion.