key terms Flashcards
(5 cards)
1
Q
vasoconstriction
A
the process where blood vessels narrow or constrict as a response to a decreased demand for oxygen delivery to muscle tissue.
2
Q
vasodilation
A
the process whereby blood vessels increase their internal diameter as a response to an increased demand for oxygen delivery to muscle tissue.
3
Q
ventilation
A
the amount of air inspired or expired per minute by the lungs. Ventilation (V) = respiratory rate × tidal volume.
4
Q
systolic blood pressure the
A
blood pressure recorded as blood is ejected during the contraction phase of the heart cycle. It is the higher of the two blood-pressure values.
5
Q
tidal volume (TV)
A
the amount of air inspired and expired by the lungs per breath
