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Next Topic  NBME F5 S1 study of muscle 




 
Kaplan Qbank USMLE



Author5 Posts
  #1

A 16-year-old boy participates in a study of exercise and muscle hypertrophy. After a pretraining biopsy specimen of the quadriceps muscle is obtained, he begins a weight-lifting program to increase the mass and strength of the quadriceps muscle. After 3 months of training, a second muscle biopsy specimen is taken for histological assessment of the skeletal muscle characteristics. Compared with the pretraining sample, the training sample is most likely to show which of the following findings?


Number of Amount of Actin Total Number
Mitochondria per Myocyte of Myocytes
A) increase increase increase
B) increase increase no change
C) increase no change increase
D) increase no change no change
E) no change increase increase
F) no change increase no change
G) no change no change increase
H) no change no change no change

  #2

B?


  #3

E?


  #4

Can u guys tel which is rt answer and how?

  #5

the last line in the question is confusing .....can u edit it ?







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