Compared to arteries, veins
group of answer choices

are more elastic

hold their shape better when cut

have more smooth muscle in their walls

have thinner walls

flag this question
question 71 pts
the only vessels whose walls permit exchange between the blood and the surrounding intercellular fluids are
group of answer choices

venules

arteries

capillaries

veins

flag this question
question 81 pts
blood moves forward through veins
group of answer choices

with the aid of contractions of the skeletal muscles

because pressure is lower in veins than arteries

with the aid of changes in thoracic and abdominal cavity pressure

all of the above.

flag this question
question 91 pts
the pulse point on the wrist is actually the artery.
group of answer choices

brachial

ulnar

radial

cubital

flag this question
question 101 pts
which of the following is greater?
group of answer choices

normal blood volume of the systemic circuit

normal blood volume of the pulmonary circuit

flag this question
question 111 pts
which statement is true of all arteries?
group of answer choices

all arteries carry oxygenated blood away from the heart.

all arteries carry blood low in carbon dioxide away from the heart.

all arteries lack valves.

all arteries carry deoxygenated blood to the heart.

flag this question
question 121 pts
the left ventricular wall is thicker than the right ventricular wall in order to
group of answer choices

hold a greater volume of blood.

expand the thoracic cavity during diastole.

pump blood with greater pressure.

the left ventricular wall is not thicker than the right ventricular wall.

flag this question
question 131 pts
during atrial systole

group of answer choices

the atrioventricular valves are closed, but the semilunar valves are open.

the bicuspid valve is open, but the tricuspid valve is closed.

both semilunar valves and both atrioventricular valves are open.

both atrioventricular valves are open, but both semilunar valves are closed.

flag this question
question 141 pts
each of the following changes will result in increased blood flow to a tissue except one. identify the exception.
group of answer choices

increased blood pressure

decreased peripheral resistance

relaxation of precapillary sphincters

decreased vessel diameter

flag this question
question 151 pts
when taking a blood pressure reading, the first sound that you hear is the
group of answer choices

systolic sound, indicating relaxation of the ventricles

systolic sound, indicating contraction of the ventricles

diastolic sound, indicating contraction of the atria

diastolic sound, indicating relaxation of the ventricles