When blood flow to an area of the lungs is reduced but the area receives normal air flow all of the following occur except
A) the concentration of CO2 in this area will be decreased.
B) the change in CO2 concentration will cause the smooth muscles of the local airways to relax.
C) the change in CO2 concentration will lead to increased resistance of local airways.
D) the change in O2 concentration will lead to dilation of local blood vessels.
E) the change in O2 concentration will lead to decreased vascular resistance.
Correct Answer:
Verified
Q17: The inspiratory muscles include the
A) diaphragm and
Q18: The lungs contain:
A) mostly smooth muscle
B) only
Q19: Which of the following is the last
Q20: The lungs are held against the thoracic
Q21: Which factor would result in bronchoconstriction?
A) sympathetic
Q23: When the level of blood flow is
Q24: Which of the following does not occur
Q26: Which skeletal muscle serves as an accessory
Q27: Pulmonary surfactant
A) is secreted by Type II
Q31: The residual volume
A) helps prevent lung collapse
B)
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