Nokea
Cheek teeth are-
- A. Incisors and Canines
- B. Canines and Premolars
- C. Premolars and Molar
- D. Canines and Molars
Correct Answer: C
Rationale: Cheek teeth refer to premolars and molars, located in the back of the mouth for grinding food.
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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.
All of the following are true of the stomach EXCEPT?
- A. Pepsinogen is activated to pepsin by HCl
- B. Parietal cells secrete intrinsic factor
- C. Chief cells secrete pepsinogen
- D. The pyloric region is a major site for nutrient absorption
Correct Answer: D
Rationale: The pyloric region primarily functions as a regulator of food movement into the small intestine, not as a major site for nutrient absorption.
Removal of waste from body in the form of undigested food is called
- A. Digestion
- B. Absorption
- C. Assimilation
- D. Egestion
Correct Answer: D
Rationale: Egestion is the removal of undigested waste from the body.
The disease caused due to deficiency of nicotinic acid is
- A. Anaemia
- B. Osteomalacia
- C. Xerophthalmia
- D. Pellagra
Correct Answer: D
Rationale: Pellagra is caused by a deficiency of niacin (nicotinic acid), leading to symptoms like dermatitis, diarrhea, and dementia.
Which process matches the definition: Thin, tough, outer layer of the alimentary tract, which enables it to move smoothly against other organs?
- A. Mucosa
- B. Submucosa
- C. Muscularis
- D. Serosa
Correct Answer: D
Rationale: The serosa is the outermost layer of the GI tract, allowing smooth movement against adjacent organs.