When the by-products of metabolism build up in the tissue spaces, the precapillary sphincters _________ causing blood flow to the tissue to _________.
A. contract; decrease
B. contract; increase
C. relax; decrease
D. relax; increase
E. close; remain the same
Ans: D. relax; increase
You might also like to view...
Malar bone is a synonym for zygomatic bone.
Answer the following statement true (T) or false (F)
Gray matter consists predominantly of neuron cell bodies and dendrites
Indicate whether the statement is true or false
Which statement below best describes the term cardiac preload?
A. The pressure the ventricles stretch at the end of systole. B. The amount the ventricles stretch at the end of diastole. C. The pressure the ventricles must work against to pump blood out of the heart. D. The strength of the myocardial cells to shorten with each beat.
Which of the following has the highest basal metabolic rate?
A. older individuals B. young, active males C. middle age females D. young, active female E. They all have the same rates.