Contraction of the muscles surrounding an arteriole that decreased its diameter by 50% would
A. increase the resistance in the arteriole approximately 16 fold.
B. decrease the resistance in the arteriole approximately 16 fold.
C. increase the resistance in the arteriole by approximately 50%.
D. decrease the resistance in the arteriole approximately 50%.
E. not be expected to change resistance in the arteriole.
A. increase the resistance in the arteriole approximately 16 fold.
You might also like to view...
At what partial pressure of oxygen do half the heme
groups in human blood have oxygen bound? a. 30 mm Hg b. 100 mm Hg c. 70 mm Hg d. 104 mm Hg e. all of these
What atom forms the backbone of almost all biological molecules?
A) hydrogen B) nitrogen C) carbon D) sulfur E) phosphorus
Transcription of structural genes in an inducible operon _____
A) occurs continuously in the cell B) starts when the pathway's substrate is present C) starts when the pathway's product is present D) stops when the pathway's product is present
ATP is composed of a nitrogenous base, a sugar, and
A.) one phosphate group. B.) two phosphate groups. C.) three phosphate groups. D.) four phosphate groups.