Resp 1 Flashcards

1
Q

How many lobes in the R lung

A

3

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2
Q

How many lobes in the Lung

A

2

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3
Q

Is there gas exchange in the conducting airways?

A

No

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4
Q

Aspiration Pneumonia tend to occur more in which lung?

A

R

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5
Q

What are the gas exchange airways?

A

Resp bronchioles
Alveolar ducts
Alveoli

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6
Q

What line the bronchi and produce mucous?

A

Goblet cells

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7
Q

What does the apneustic center do

A

Prevents over inflation of the lungs

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8
Q

What does the pneumotaxic center do

A

Limits amount of inspired air

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9
Q

The ability of the lungs to expand and return to resting volume at expiration is due to

A

The elastic properties of the lung and the chest wall

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10
Q

Compliance is the ability

A

Of the lung and chest wall to stretch

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11
Q

A loss of elastic recoil will increase the _______

A

Compliance

Makes it abnormally easy to inflate but difficult to return

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12
Q

A decrease in compliance will cause

A

The lungs to be very still and difficult to inflate

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13
Q

Compliance is in disorders such as

A

Emphysema

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14
Q

Compliance is decreased in orders such as

A

Pneumonia

Cystic fibrosis

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15
Q

In pulmonary edema there is _____lung compliance which ____ muscular effort thus ____ work of breathing

A

Decreased
Increases
Increases

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16
Q

Haldane effect

A

Effect of o2 on co2 transport out of blood

17
Q

Acidemia causes pulmonary ______

A

Constriction

18
Q

Most important things to look at with spirometry

A

Forced vital capacity- how much a person can expire out after normal expiration

Forced expiratory volume in one second

19
Q

Diffusion capacity

A

Measure of rate of gas diffusion at the alveolarcapillary membrane

20
Q

Decreased diffusion capacity is seen is diseased such as

A

Emphysema

21
Q

ABGs show what

A

Useful to determine pH, oxygen and carbon dioxide levels in arterial blood

Tells us about gas exchange and acid base status

22
Q

What can only be determined with ABG

A

Acidosis
Alkalosis
Ventilatory alterations
Decreased partial pressures of oxygen

23
Q

How does aging affect the mechanical aspects of ventilation

A

Decreased chest wall compliance
Decreased elastic recoil of lungs
Alterations in gas exchange
Increases flow resistance

24
Q

Aging causes the ______ to decrease but does not affect the _______

A

PaO2

PaCO2