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Cardio-Renal-Resp exam 1 > Pulm Phys > Flashcards

Pulm Phys Flashcards

1
Q

Arterial blood gases are (3)?

A

O2
CO2
Ph

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2
Q

3 chemoreceptors

A

Central
NTS
Peripheral

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3
Q

Beta 1 increases ___ and contractility

A

Heart rate

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4
Q

Alpha 1 increases ___ constriction

A

Arterial

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5
Q

Alpha 2 increases venous ___

A

Capacitance

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6
Q

Beta 2 receptors involve sympathetic ___

A

Dilation

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7
Q

Hyperpnea= ___ pulmonary ventilation and ___ metabolic demand. Increases __ production

A

Increased
Increased
CO2

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8
Q

Hyperventilation = ___ pulmonary ventilation which is (less than/ greater than) metabolic demand. This will __ CO2 production

A

Increase
Greater than
Decrease CO2

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9
Q

Hypoventilation= ___ pulmonary ventilation (less than, greater than) metabolic demand and ___ CO2 production

A

Decreased
Less than
Increases CO2

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10
Q

3 inspiration muscles

A

Diaphragm
Ext intercostals
SCM

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11
Q

5 expiratory muscles

A

Diaphragm
Internal intercostals
Abdominus—rectus & transverse
Oblique- internal & external

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12
Q

Expiratory reserve volume+ residual volume= ___ capacity

A

Functional residual capacity

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13
Q

Residual capacity (can/ cannot) be expelled?

A

Cannot

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14
Q

Intrapleural pressure = ___cm H2O

A

-5 cm H2O

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15
Q 
At rest Palv=Patm
Inspiration:
 Palv (less than/ greater than)Patm?
Expiration:
Palv (less than/ greater than) Patm?
A

Inspire
Palv < Patm
Expire
Palv > Patm

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16
Q

Elastance causes tissue to ___ stretch

A

Resist

17
Q

Compliance is ___ proportional to elastance

A

Inversely proportional

18
Q

___ decreases surface tension in the alveolar and comes from what type of tissue?

A

Surfactant

Type II alveolar

19
Q

3 consequences of reduced surfactant
Decreased compliance =
Atelectasis=
___

A

Stiff lungs
Alveolar collapse
Edema

20
Q

Decrease compliance=

A

Fibrosis

Edema

21
Q

Increased compliance=

A

Emphysema

22
Q

Constriction of airway smooth muscle via ___ nerve and (sympathetic/ parasympathetic) system

A

Vagus

Parasympathetic

23
Q

Dilation of airway smooth muscle via ___ hormone

A

Epinephrine

Cardio-Renal-Resp exam 1 (2 decks)

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