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AAP > Respiratory > Flashcards

Respiratory Flashcards

1
Q

Respiration

A

breathing

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2
Q

External gas exchange

A

between the lungs and blood

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3
Q

Internal gas exchange

A

between systemic blood vessels and tissue

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4
Q

Intrapleural pressure

A

negative pressure, always lower than lungs to prevent collapse

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5
Q

Intrapulmonary pressure

A

pressure in alveoli

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6
Q

inspiration

A

gas flow into lungs

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7
Q

expiration

A

gas flow out of lungs

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8
Q

Boyles law

A

volume goes down, pressure goes up = air moves out

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9
Q

main site for gas exchange

A

Alveoli

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10
Q

Alveoli is surrounded by?

A

pulmonary capillaries

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11
Q

Type 1 Alveolar cells

A

simple squamous epithelium for diffusion

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12
Q

Type 2 Alveolar cells

A

produce surfactant for lubrication

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13
Q

macrophages job in alveolar

A

keep lungs clean

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14
Q

dalton’s law

A

partial pressure of each gas is proportional to its percentage

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15
Q

normal alveolar gas exchange

A

partial pressure of O2 and CO2 are equal between alveolus and pulmonary venous blood

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16
Q

Oxygenated Blood level

A

PO2= 104
PCO2= 40

17
Q

Deoxygenated Blood level

A

PO2= 40
PCO2= 45

18
Q

% of blood carried bound to hemoglobin

A

98.5%

19
Q

arterial blood saturation

A

98%

20
Q

venous blood saturation

A

75%

21
Q

Borh Effect

A

increase in temp & CO2, deceases in Ph burn oxygen

22
Q

% of CO2 dissolved in plasma

A

10%

23
Q

% of CO2 bound to hemoglobin

A

20%

24
Q

70% of CO2 is carried by

A

bicarbonate

25
Q

primary driver for breathing

A

CO2

26
Q

Hyperpnea

A

increased depth and rate of breathing to match the body

27
Q

Hyperventilation

A

increased depth and rate of breathing that exceeds the body’s need to remove CO2

AAP (10 decks)

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