HMS, BM EQ-Bank 72 MC

During a two-hour mountain bike ride, which process would support sustained energy release?

Enhanced glucagon production
Decreased liver glycogen breakdown
Increased insulin secretion
Reduced cortisol release

Show Answers Only

\(A\)

Show Worked Solution

A is correct: Glucagon promotes glycogen breakdown to maintain blood glucose during prolonged exercise.

Other Options:

B is incorrect: Glycogen breakdown must increase, not decrease, for energy supply.
C is incorrect: Insulin decreases during exercise to allow glucose mobilisation.
D is incorrect: Cortisol increases during prolonged exercise to support energy metabolism.