chapters 7 ventilation, perfusion, shock Flashcards

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1
Q

Difference between Aerobic & Anaerobic metabolism

A

Aerobic: Performed when oxygen is present.
Anaerobic: Performed in the absence of oxygen

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2
Q

what is cardiac output?

A

the amount of blood ejected from the heart in one minute

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3
Q

Chemoreceptors

A

Detects levels of carbon Dioxide & oxygen

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4
Q

Define: Dead air space

A

it is the air that is between the mouth and alveoli but it doesnt reach the area of gas exchange

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5
Q

diaphoresis

A

cool, pale, sweaty skin

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6
Q

hydrostatic pressure

A

the pressure within the blood vessel that tends to push water out of the vessel

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7
Q

perfusion

A

the supply of oxygen and removal of waste from the cells and tissues

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8
Q

stretch receptor

A

sensors in blood vessels that identify internal pressure

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9
Q

Define: Minute Volume

A

The amount of air moved in and out of the lungs over a minute. It’s calculated by multiplying tidal volume x respiratory rate.

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10
Q

what large protein attracts water from the body into the bloodstream?

A

plasma oncotic pressure

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11
Q

stroke volume

A

the amount of blood ejected from the left ventricle of the hearts during each contraction

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12
Q

Define: Systemic Vascular Resistance (SVR)

A

the pressure in the vessels the heart must pump against

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13
Q

Hypertension abnormally increases the..

A

Systemic vascular resistance (SVR)

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14
Q

Tidal Volume

A

The amount of air that moves in/out of the lungs in a single breath cycle

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15
Q

the product of tidal volume and ventilation rate is

A

minute volume

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16
Q

V/Q Match

A

Alveoli is supplied with enough air & the air in the alveoli is matched w/ blood in the capillaries to exchange oxygen and carbon dioxide

17
Q

the fraction in the O2 we breath is

A

FiO2