The primary effect of increased PO2 in the lungs is to cause________which________the ventilation -perfusion ratio back to a normal level.
A) vasodilation : decreases
B) bronchodilation : increases
C) vasoconstriction : decreases
D) bronchoconstriction : decreases
E) vasoconstriction : increases
Correct Answer:
Verified
Q61: Coughing is initiated by _ located in
Q62: What is the primary mechanism of carbon
Q63: Which of the following nerves has activity
Q64: The_ is the respiratory center that appears
Q65: Within an erythrocyte, the conversion of CO2
Q67: During active breathing, bursts of action potentials
Q68: Hyperventilation will cause changes in PCO2 that
Q69: During quiet breathing, a person's breathing cycle
Q70: Which of the following best describes a
Q71: Chemoreceptors respond primarily to changes in PCO2
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents