Systemic&Pulmonary Circulations Part 1 Flashcards

1
Q

What type of circulation is:
The blood vessels of the lungs, including pulmonary arteries and veins?

A

Pulmonary circulation

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2
Q

What type of circulation is:
The blood vessels between the aorta and venae cavae

A

Systemic circulation

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3
Q

What type of circulation is:
Heart and the pulmonary circulation

A

Central circulation

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4
Q

What pressure represents a potential energy that propels blood through the circulation?

A

Blood pressure

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5
Q

The greatest pressure decrease occurs as blood flows through the _________

A

Arterioles

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6
Q

Resistance to blood flow is greater in the _________ than in any other segment of the systemic circulation

A

Arterioles

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7
Q

What is the blood pressure of static circulation when the heart is not pumping blood? About 7mm Hg

A

Mean circulatory filling pressure

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8
Q

What pressure is:
The pressure difference between the mean aortic pressure and mean venae cavae pressure? About 95mm Hg

A

Systemic perfusion pressure

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9
Q

What pressure is:
Pressure between pulmonary artery and veins? About 8mm Hg

A

Pulmonary perfusion pressure

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10
Q

_______ blood pressure can be thought of as the potential energy available to move blood

A

Aortic

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11
Q

Pressure energy is used up through _____

A

Friction

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12
Q

The energy used up through friction is converted to _____

A

Heat

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13
Q

The pumping of blood by the heart maintains the pressure difference between the aorta and _____ _____

A

Venae cavae

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14
Q

What is the change in the volume within a vessel or a chamber divided by the associated change in distending pressure?

A

Compliance

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15
Q

What are about 20 TIMES MORE compliant than arteries?

A

Veins

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16
Q

Veins function as the major blood volume ___________ of the body

A

Reservoirs

17
Q

Arteries function as the _________ reservoirs

A

Pressure

18
Q

Arteries are tough vessels with ____ compliance

A

Low

19
Q

What accommodates large increases in pressure during cardiac ejection and sustain the pressure high enough between ejections to provide continuous flow of blood through the systemic circulation?

A

Arteries

20
Q

Veins ______ in volume when heart starts
Arteries ______ in volume when heart starts

A

Decrease
Increase