exam 4 revised Flashcards

1
Q

respiratory center

A

ventilation

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2
Q

slightly negative pressure to create suction between visceral and parietal pleura

A

intrapleural pressure

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3
Q

wants to equalize pressure with atmosphere

A

intrapulmonary pressure

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4
Q

amount of air inspired and expired with each breath (about 500mL)

A

tidal volume

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5
Q

elasticity of the lung

A

pulmonary compliance

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6
Q

collapse of a portion of lung

A

atelectasis

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7
Q

most (97%) of 02 loosely combined with this and carried to cells

A

hemoglobin

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8
Q

what is gas transport affected by?

A

cardiac output, hematocrit and exercise

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9
Q

fruity acetone breath

A

Kussmaul breathing

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10
Q

stop patterns in breathing

A

cheyne stokes

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11
Q

irregular breathing

A

biots

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12
Q

insufficient 02 to tissues

A

hypoxia

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13
Q

increased pulse, rapid shallow breaths, flaring of nostrils, intercostal retractions, cyanosis

A

hypoxia clinical signs

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14
Q

inability to breathe except in upright position

A

orthopnea

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15
Q

destruction of alveoli - C02 retention

A

emphysema

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16
Q

cyanosis, clubbing of fingers

A

bronchitis

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17
Q

reversible airflow obstruction, airway inflammation

A

asthma

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18
Q

normal pH range

A

7.35-7.45

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19
Q

normal PO2

A

80-100

20
Q

normal PC02

A

35-45

21
Q

HC03

A

22-28

22
Q

what promotes good oxygenation

A

deep breathing, coughing, hydration

23
Q

rebreathes some exhaled air air along with 02

A

partial rebreather mask

24
Q

allows for precise FI02

A

venturi mask

25
Q

can deliver FI02 up to 100% - reservior bag must remain 1/2-1/2 full to prevent C02 buildup

A

nonrebreather mask

26
Q

placed over a tracheostomy tube for humidity and 02 delivery

A

tracheostomy collar

27
Q

02 1-6 L/min

A

nasal cannula

28
Q

good for patients who feel claustrophobic with masks

A

face tent

29
Q

fit tightly. muffles talk. check skin around mask

A

simple face mask

30
Q

primary pacemaker

A

SA node

31
Q

Increased HR will increase CO

A

true

32
Q

drugs that affect contractility

A

inotropes (digoxin)

33
Q

resistence against which heart needs to pump

A

afterload

34
Q

left sided heart failure symtoms

A

cough, crackles, cyanosis, confusion, restlesness, tachycardia

35
Q

what will be elevated with CHF excerbation

A

brain natriuretic peptide

36
Q

right sided heart failure symptoms

A

fatigue, edema, distened jugular veins

37
Q

lung collapse

A

atelectasis

38
Q

excess carbon dioxide in the blood

A

hypercarbia

39
Q

low oxygen in the blood

A

hypoxemia

40
Q

deficiency in the amount of oxygen reaching the tissues

A

hypoxia

41
Q

what is normal tidal volume?

A

500mL

42
Q

incentive spirometer

A

helps you take slow deep breaths to fill your lungs

43
Q

deep labored breathing with fruity smell

A

Kussmauls breathing

44
Q

deeper faster breathing followed by periods of apnea

A

cheyne stokes respiration

45
Q

use of gravity to help drain mucus into the mouth by placing the body in specific positions

A

postural drainage