When is the right atrioventricular valve open?
a. during systole
b. during diastole
c. when blood pressure in R atrium> PR ventricle
d. when blood pressure in R ventricle> PR atrium
e. b and c
f. all of the above = all the time
Answer: e. b and c
You might also like to view...
Hematocrit:
1.represents the percentage of red blood cells in total blood volume. 2.is normally greater than 55%. 3.is higher for women than for men. 4.represents the amount of hemoglobin in blood.
Which of the following would be most easily broken?
A hydrogen bond A nonpolar covalent bond An ionic bond A polar covalent bond
Most thermogenic pathways of futile cycling involve cycling between the hydrolysis and synthesis of
A) Heat shock proteins. B) Fatty acids. C) Glucose-6-phosphate. D) ATP.
Chromosomes are pulled by spindle fibers to opposite sides of the cell during:
a. interphase b. prophase c. anaphase d. telophase