Valves in veins
A. make the use of a skeletal muscle pump unnecessary for venous blood flow.
B. are found only in the largest veins.
C. are formed of the tunica media.
D. are the leading cause of high blood pressure.
E. cause venous blood flow to go in only one direction.
Answer: E
You might also like to view...
The splenic flexure of the large intestine is on the left side of the body.
Answer the following statement true (T) or false (F)
To buffer the body's extracellular fluid compartment, dihydrogen phosphate acts as a strong base and prevents acidosis of the plasma.
Answer the following statement true (T) or false (F)
All of the following are muscles of the back and buttocks except which one?
A. Erector spinae B. Trapezius C. Deltoid D. Gluteus medius
Molecule A has a molecular weight of 175 and Molecule B has a molecular weight of 450. A 0.1 M solution of each is placed on agar gel. Which molecule will diffuse more rapidly through the agar?
A) molecule A B) molecule B C) They will move at the same rate.