Nokea
During prolonged fasting-
- A. First fats are used up, followed by carbohydrate from liver and muscles, and protein in the end
- B. First carbohydrate are used up, followed by fat and proteins towards end
- C. First lipids, followed by proteins and carbohydrates towards end.
- D. None of the above
Correct Answer: B
Rationale: In fasting, carbohydrates (glycogen) are used first, followed by fats, and then proteins.
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One of the following is not true about the enteroendocrine cells:
- A. They are present in the stomach, small intestine and large intestine.
- B. They are of two types open and closed.
- C. They deliver their secretions only in the git lumen.
- D. They are also called argentaffine cells
Correct Answer: C
Rationale: Enteroendocrine cells release hormones into the bloodstream (endocrine function), not just the GIT lumen.
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.
Besides your urinary system, what other organs in your body help in excretion?
- A. lungs
- B. skin
- C. skin and lungs
- D. none of the above
Correct Answer: C
Rationale: Both the lungs (excreting carbon dioxide) and skin (excreting sweat) aid in excretion.
Match: Monosaccharide
- A. simplest component of a carbohydrate
- B. building block of proteins
- C. component of nucleic acids
- D. form of stored energy
Correct Answer: A
Rationale: Monosaccharides, such as glucose, are the simplest units of carbohydrates and serve as immediate energy sources.
Which process matches the definition: Vomiting - the result of forceful contractions of the diaphragm and abdominal muscles?
- A. Emesis
- B. Peristalsis
- C. Deglutition
- D. Segmentation
Correct Answer: A
Rationale: Emesis is the medical term for vomiting, involving forceful muscle contractions.