Nokea
A patient who has undergone gastrectomy (removal of the stomach) may suffer from:
- A. cirrhosis
- B. pernicious anemia
- C. gastric ulcer
- D. inability to digest fats
Correct Answer: B
Rationale: Gastrectomy can lead to pernicious anemia due to reduced intrinsic factor production, necessary for vitamin B12 absorption.
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The muscle that controls the entry of material into the small intestine from the stomach is the ____________________________ sphincter.
- A. anal
- B. cardiac
- C. pyloric
- D. intestinal
Correct Answer: C
Rationale: The pyloric sphincter regulates the passage of chyme from the stomach into the small intestine.
Match: Protein
- A. composed of amino acids; building blocks for body tissues
- B. major source of energy
- C. used for insulation
- D. stored as glycogen
Correct Answer: A
Rationale: Proteins are macromolecules composed of amino acids, essential for building and repairing body tissues.
Proteolytic enzyme of stomach is -
- A. Trypsin
- B. Pepsin
- C. Chymotrypsin
- D. Carboxypeptidase
Correct Answer: B
Rationale: Pepsin is the main proteolytic enzyme in the stomach, active in acidic pH.
What is the word to describe the breaking up of large fat droplets into smaller ones?
- A. Catabolism
- B. Lipidolysis
- C. Lysolipidisation
- D. Emulsification
Correct Answer: D
Rationale: Emulsification is the process of breaking large fat droplets into smaller ones, typically by bile salts, to aid digestion.
Peristalsis moves food material:
- A. in the stomach and small intestine only
- B. in the small and large intestines only
- C. in the stomach and small and large intestines only
- D. from the pharynx to the anal canal
Correct Answer: D
Rationale: Peristalsis is a wave-like muscle contraction that moves food material through the entire gastrointestinal tract.