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Gastrointestinal and Nutrition Physiology

Energy metabolism Practice Questions

20 free Energy metabolism practice questions for the Physiology, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.

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All Energy metabolism questions

20 questions
  1. Q1. The preferred energy source for colonic epithelial cells (colonocytes) is:
  2. Q2. Which macronutrient provides the highest energy yield per gram?
  3. Q3. After a carbohydrate-rich meal, the primary hormone promoting energy storage is:
  4. Q4. The main pathway responsible for ATP generation from glucose in enterocytes is:
  5. Q5. Which organ plays a central role in integrating absorbed nutrients for energy metabolism?
  6. Q6. During fasting, the gastrointestinal tract's contribution to systemic energy balance primarily involves:
  7. Q7. Which process converts excess dietary glucose into fatty acids for long-term energy storage?
  8. Q8. The primary energy substrate transported from the intestine to the liver after fat digestion is:
  9. Q9. Which gastrointestinal hormone increases postprandial energy utilization by stimulating insulin release?
  10. Q10. Amino acids absorbed from the intestine are primarily used for energy when:
  11. Q11. Which pathway primarily generates ATP from fatty acids absorbed in the intestine?
  12. Q12. The postprandial increase in metabolic rate is known as:
  13. Q13. Which nutrient has the highest thermic effect during digestion and metabolism?
  14. Q14. Glucose absorbed from the intestine enters the circulation primarily via:
  15. Q15. Which factor most directly increases intestinal energy absorption efficiency?
  16. Q16. The primary fate of glycerol derived from intestinal fat digestion is:
  17. Q17. Which condition most directly impairs gastrointestinal energy absorption?
  18. Q18. During prolonged fasting, the gastrointestinal contribution to energy metabolism shifts toward:
  19. Q19. Which gastrointestinal hormone reduces food intake and influences energy balance by promoting satiety?
  20. Q20. The primary metabolic role of dietary fiber in energy metabolism is to: