Multiple Choice
Damage to valves in veins would
A) increase the amount of blood returning to the heart.
B) result in brain swelling.
C) decrease the amount of blood returning to the heart.
D) have no effect of blood returning to the heart.
E) cause blood to flow to the lung.
Correct Answer:

Verified
Correct Answer:
Verified
Q29: Atherosclerosis is hardening of the arteries caused
Q30: Which structure or region in a four-chambered
Q31: Blood pressure is _ osmotic pressure at
Q32: Blockage of a coronary artery can be
Q35: The most abundant cells in vertebrate blood
Q36: Pseudoephedrine is a vasoconstriction drug that is
Q37: Oxygenated blood is carried by the<br>A) aorta.<br>B)
Q39: An artificial pacemaker can be implanted in
Q92: Blood is at its lowest pressure in
Q125: In organisms with a closed circulatory system,