Inhalation brings in fresh _______________ and exhalation removes ...

[ahriuashd]

Inhalation brings in fresh _______________ and exhalation removes _______________.
 
  a. carbon dioxide; oxygen
  b. oxygen; nitrogen
  c. oxygen; carbon dioxide
  d. nitrogen; carbon dioxide

Question 2

Which of the following diagnostic procedures measures cardiovascular fitness?
 
  a. cardiac enzymes
  b. auscultation
  c. stress test
  d. cardiopulmonary resuscitation

[ryrychapman11]

Answer to Question 1

c
Explanation:
a. carbon dioxide; oxygen: should be the other way around
b. oxygen; nitrogen: nitrogen is not removed during exhalation
c. oxygen; carbon dioxide: correct
d. nitrogen; carbon dioxide: nitrogen is not brought in during inhalation

Answer to Question 2

c
Explanation:
a. cardiac enzymes: do not measure cardiovascular fitness
b. auscultation: does not measure cardiovascular fitness
c. stress test: correct
d. cardiopulmonary resuscitation: does not measure cardiovascular fitness