Questions
Question 1
Which is not an effect of angiotensin II to increase blood pressure?
- increasing secretion of ADH
- increasing thirst
- increasing atrial natriuretic peptide
Question 2
In comparison to a vessel with a large diameter, a vessel with a small diameter has
- a greater resistance to blood flow.
- a greater blood flow.
- a higher blood pressure.
Question 3
The main control of peripheral resistance occurs in the
- venules
- arteries
- arterioles
Question 4
Cross-sectional area is highest in
- arteries
- capillaries
- veins
Question 5
Blood flow to a tissue will increase if the
- arterioles constrict.
- arterioles dilate.
- veins constrict.
Question 7
The brachial artery branches to form the radial and ________ arteries.
- iliac
- ulnar
- femoral
Question 8
The condition known as ________ is characterized by the formation of fatty plaques within the wall of arteries.
- hypertension
- angina
- atherosclerosis
Question 8
A genetic condition that leads to the inability to absorb and recycle cholesterol in the liver is
- coronary artery disease.
- familial hypercholesterolemia.
- arteriosclerosis.
Question 9
The superior phrenic artery supplies blood to the
- lower extremities
- skull
- diaphragm
Question 10
Which of the following opposes the flow of blood back to the heart?
- blood pressure gradient from arteries to veins
- peripheral veins have valves to prevent backflow of blood
- vascular resistance
Question 11
The two vertebral arteries fuse to form a large artery called the
- common carotid artery.
- internal carotid artery.
- basilar artery.
Question 12
What vessels contain elastic fibers in the walls that are stretched during systole?
- arteries
- capillaries
- veins
Question 13
The layer between the tunica media and the tunica externa in a large artery is the
- tunica intima.
- tunica media.
- external elastic membrane.
Question 14
The vascular pressure that declines from roughly 35 mm Hg to about 18 mm Hg is the
capillary hydrostatic pressure.
peripheral pressure.
venous pressure.
Question 15
Elevated levels of the natriuretic peptide hormones ANP and BNP will produce increased
- blood volume.
- blood pressure.
- salt and water loss through the kidneys.
Question 16
The blood vessel that supplies blood to the pancreas, the small intestine, and most of the large intestine is the
- iliac artery.
- superior mesenteric artery.
- common carotid artery.
Question 17
Which of the following changes does not occur during exercise compared to rest?
- Cardiac output is higher.
- Skin blood flow is lower.
- Heart blood flow is higher.
Question 18
The fingers are supplied with blood by the ________ arteries.
- digital
- ulnar
- plantar
Question 19
The branch of the common iliac artery that enters the pelvic cavity is the ________ artery.
- internal iliac
- deep iliac
- femoral
Question 20
Calculate the net filtration pressure (NFP) with a blood hydrostatic pressure of 40 mm Hg and a blood colloid osmotic pressure of 25 mm Hg. Then determine if filtration or reabsorption occurs.
NFP = ________ and results in a fluid ________.
- -15 mm Hg; filtration
- 15 mm Hg; filtration
- 65 mm Hg; reabsorption
Question 21
Blood from the brain returns to the heart through the ________ vein.
- internal jugular
- external jugular
- vertebral
Question 22
At the knee, the femoral artery becomes the ________ artery.
- popliteal
- femoral
- tibial
Question 23
A(n) ________ is a bulge, or weakened wall, of an artery.
- aneurysm
- vascular edema
- stroke
Question 24
After entering the arm, the axillary artery becomes the ________ artery.
- ulnar
- brachial
- digital
Question 25
As blood circulates from arteries into capillaries, the total cross-sectional area of capillaries
- is the same as the total cross-sectional area of arteries and blood velocity is equal between arteries and capillaries.
- increases and causes the blood velocity to decrease.
- increases and causes the blood velocity to increase.
ANSWERS
Question 1
Question 2
In comparison to a vessel with a large diameter, a vessel with a small diameter has
- a greater resistance to blood flow.
- a greater blood flow.
- a higher blood pressure.
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