Question 1

Explain the influence of arterial blood pressure on tissue perfusion.

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Question 2

A medication called an angiotensin ^-converting enzyme (ACE) inhibitor can be used to treat hypertension as it prevents the formation of angiotensin ^-II. Determine why this medication would be an effective treatment for high blood pressure.

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Question 3

Predict how a blockage in the common carotid artery affects blood flow.

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Question 4

Calculate the mean arterial pressure (MAP) given a diastolic pressure of 60 mm Hg and a systolic pressure of 100 mm Hg.

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Question 5

Describe the blood vessels and contribution of anastomoses that constitute the cerebral arterial circle (circle of Willis).

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Question 6

Describe blood flow through the hepatic portal circulation.

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Question 7

Explain how hydrostatic pressure and colloid osmotic pressure are created.

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Question 8

Explain why blood pressure in the pulmonary circuit is lower than in the systemic circuit.

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Question 9

List the three arteries that branch off of the aortic arch.

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Question 10

Besides blood, what other fluid returns to the dural sinuses of the brain? To what vein do the dural return these fluids?

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Question 11

Explain the role of peripheral chemoreceptors in the maintenance of blood flow to tissues.

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Question 12

Describe four mechanisms that assist in the return of venous blood to the heart.

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Question 13

During defecation, we hold our breath, bear down, and strain. Explain the effects of holding one's breath on blood pressure.

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Question 14

Post ^-operative surgical patients are often fitted with pneumatic compression boots that increase the pressure around limbs, such as the legs. Determine the effect of these boots on blood flow in the limbs.

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Question 15

Dehydration increases blood viscosity. Determine the effect of dehydration on blood pressure.

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Question 16

The spleen filters and removes worn ^-out blood cells from circulation. Determine the type of capillary that would allow the transfer of blood cells between the blood and interstitial fluid.

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Question 17

Determine the effects on fluid movement and capillary net filtration pressure when a liver disorder prevents adequate formation of plasma proteins, such as albumin.

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Question 18

Describe the hormones that increase cardiac output.

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Question 19

Describe how an increase in blood pressure is returned to normal using the baroreceptor reflex.

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Question 20

Explain fluid movement when the net filtration pressure (NFP) is a negative value.

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Quiz 18: The Cardiovascular System Ii: Blood Vessels