29. Which is not believed to be a cause of sarcopenia? a) activity levels beyond

Question

29. Which is not believed to be a cause of sarcopenia?

a) activity levels beyond which older folks can handle

b) decreased hormone concentrations

c) decreased appetite

d. decreased protein synthesis
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30. If the ‘wear and tear’ theory of aging were true, which situation would occur when muscle stem cells from young animals are placed into old animals and vice versa, allowed to grow new muscle and that muscle challenged to repair wound damage? Assume that only the foreign cells form the new muscle (old cells in young animals and vice versa).

a.) Both young cells in an old body and old cells in a young body would do equally well

b.) The young cells being damage-free would do better than old cells in either body

c.) The old cells would do well in the younger body as it would help them while the young cells would do worse

d.) The result still could not be predicted without experimentation.

Explanation / Answer

Answers:

Q29). c

Q30). d

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