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 .