Resistance increases when
a. vessel radius decreases
b. vessel length decreases
c. blood viscosity decreases
d. red blood cell count decreases
e. both a and b occurs
A
You might also like to view...
A postsynaptic neuron will have an excitatory postsynaptic potential (EPSP) when
A) chemically regulated potassium channels are open and potassium is diffusing out of the cell. B) more calcium ions than usual diffuse into the neuron. C) chemically regulated sodium channels are open and sodium is diffusing into the cell. D) the neuron is hyperpolarized. E) more potassium ions than usual diffuse out of the neuron.
How would a decrease in blood volume affect both stroke volume and cardiac output?
What will be an ideal response?
Which of the following is an example of an agent in the chain of infection??
A) ?Handwashing B) ?A virus C) ?A contaminated pillowcase D) ?Proper nutrition
The anterior border of the perineum is the
A. pubic symphysis. B. anus. C. urethra. D. scrotum in the male and the labia majora in the female.