09-07-2007, 04:20 AM
17. A 75-year-old man with intermittent chest pain undergoes
an exercise stress test to check for possible electrocardiographic
abnormalities. Which of the following
sets of changes would most likely occur in his exercising
skeletal muscles during the test?
Tissue O2 Tissue CO2 Arteriole
Concentration Concentration Resistance
(A) ↑ ↑ ↑
(B) ↑ ↓ ↓
© ↓ ↑ ↑
(D) ↓ ↑ ↓
(E) ↓ ↓ ↓
an exercise stress test to check for possible electrocardiographic
abnormalities. Which of the following
sets of changes would most likely occur in his exercising
skeletal muscles during the test?
Tissue O2 Tissue CO2 Arteriole
Concentration Concentration Resistance
(A) ↑ ↑ ↑
(B) ↑ ↓ ↓
© ↓ ↑ ↑
(D) ↓ ↑ ↓
(E) ↓ ↓ ↓