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Choose the correct option for each part and explain why it is the correct answer

ID: 3518555 • Letter: C

Question

Choose the correct option for each part and explain why it is the correct answer:

Part 1: Which one below is NOT true for cellular mechanisms of hypertrophy?

a. Increased mitochondrial content

b. Larger fiber cross-sectional area

c. Increase number of sarcomeres

d. Increased protein synthesis

e. Increased satellite cell proliferation

Part 2: What is LEAST involved in the response of skeletal muscle to endurance training:

a. Fast-twitch fiber get slightly larger

b. Slow-twitch fiber get slightly larger

c. Increase in mitochondria contents

d. Little effect on myosin isoform expression

e. Large effect of fiber type based on oxidative capacity

Part 3: In adaptation to resistance training, which one below does NOT change?

a. Muscle size

b. Motor unit recruitment

c. RNA and DNA contents

d. Capillaries

e. Nuclei:cytoplasma ratio

Explanation / Answer

1. option c- increased number of sarcomeres

because hypertrophy is adaptive response.

2. option e

Endurance training generally relies on fat oxidation.

3. option C

Resistance training is based on strength and functional improvements .