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AP2 > unit 2B (9+10) > Flashcards

unit 2B (9+10) Flashcards

1
Q

What are the major functions of the respiratory system

A

Supplies oxygen , and gets rid of Co2
and regulates blood pH . ( increased C02 , Decreased pH)

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2
Q

What does the structural division consist of

A

Larynx and above

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3
Q

What does lower respiratory consist of:

TBI

A

Trachea, bronchi, & lungs

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4
Q

the respiratory zone consist of:

A

resp. bronchiole , alveolar duct, alevoli

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5
Q
A
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6
Q

the conducting system in the functional division consist of :

hint NPLTBB

A

nose , Pharynx , larynx , trachea , bronchus , bronchiole

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7
Q

what are the internal structures of the nose?

hint: RFSWSS

A

Roof , floor, septum , wall , space, sinus

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8
Q

what are the 3 functions of the nose ?

A

moistening and filtering air through the nose, housing the olfactory receptors , and serving as a resonating chamber for speech

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9
Q

Nasopharyx contains….

A

opening of auditory Eustachian tube and adenoid

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10
Q

Oropharynx contains ….

A

palatine and lingual tonsils protect entry way into body

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11
Q

Laryngopharynx contains …

A

epiglottis to cricoid cartilage and Common passageway for food & air

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12
Q

structures of the nose: external/internal nares, nasal cavity,
nasal septum, conchae, olfactory epithelium

A
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13
Q

the larynx contains

A

thyroid cartilage, cricoid cartilage, epiglottis, glottis, vocal folds (true vocal
cords), arytenoid cartilages

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14
Q

what part is this ?

A

A

external nose

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15
Q

Which direction does carbon dioxide move during internal respiration?

A

From the tissue cells into the blood

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16
Q

Pulmonary ventilation refers to

A

Movement of air in and out of the lungs

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17
Q

What occurs if intrapulmonary pressure 763 Hg

A

Exhalation 🫁

18
Q

Exploratory movements are produced by the contraction of

A

Internal intercostal muscle

19
Q

Boyle’s law states :the pressure of gas is

A

Inversely portional to volume of it’s container

20
Q

When the diaphragm and intercostal muscles contract what following actions must occur

A

Air move into the lungs

21
Q

What is one atmosphere of pressure

A

760 Hg

22
Q

Structure of Pharynx
is divided into 3 regions
NOL

A

nasopharynx , Oropharynx and Laryngopharynx

23
Q

Henerys law states that

A

the volume of gas that will dissolve in a solvent is proportional to the solubility of the gas and the gas pressure

24
Q

Daltons law state that

A

the volume of gas such as air, the total pressure is the sum of the indivual partial pressures of the gases in the mixture.

25
Q

the parital pressure of oxygen in atmosphere air at sea level is

A

greater than the partial pressure of oxygen in atmosphere air at the top of Mount Everest

26
Q

the partial pressure of oxygen in the intersitial space of peripheral tissue is appox

A

40 mmHg

27
Q

A scuba diver has been deep underwater and suddenly rises to the surface too quickly. Why does the diver get decompression sickness?

A

Pressure decrease too fast, and nitrogen gas in the blood forms bubbles

28
Q

the partial pressure of carbon dioxide is greatest in

A

venous blood

29
Q

most of oxygen transported by the blood is

A

bound to hemoglobin

30
Q

Most of carbonic dioxide in the blood is transported as

A

Bicarbonate ions

31
Q

About 70’s of carbon dioxide is transported in deoxygenated blood…

A

as bicarbonate ions in the blood plasma

32
Q

the transport of CO2 depends on carbonic anhydrase . in the lungs , this enzyme__

A

turns carbonic acid H2CO3 back into CO2 to be exhaled

33
Q
A
34
Q
A
35
Q

Label ___ contains air that does not participate in the gas exchanges.

A

D

36
Q

Tidal volume is labeled ___

A

B

37
Q

Expiratory reserve volume is labeled__

A

C

38
Q

Functional residual capacity is labeled ___

A

C+D

39
Q

which of the following can be calculated if the tidal volume and respiratory rate are known

A

minute volume

40
Q

if a pt inhales as deeply and then exhales as much as possible the volume of air expelled would be the pts ___

A

vital capacity

AP2 (7 decks)

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