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Module 20- Respiratory > Mod 20 part 2 > Flashcards

Mod 20 part 2 Flashcards

1
Q

What are the two phases of pulmonary ventilation?

A

Inspiration

Expiration

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2
Q

What is the process of gasses flowing into the lungs?

A

Inspiration
or
Inhale

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3
Q

What is the process of gasses flowing out of the lungs?

A

Expiration
or
Exhale

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4
Q

The movement of air into the lungs is a ____ process caused by a pressure gradient.

A

Passive

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5
Q

This is the pressure exerted by the air surrounding the body, it is 760 hg mm at sea level.

A

Atmospheric pressure

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6
Q

This is the pressure inside the airways, it is said to be relative to the atmospheric pressure

A

Respiratory Pressure

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7
Q

If respiratory pressure is higher (positive) than atmospheric pressure the air will move ____ of the lungs

A

Out of

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8
Q

If the respiratory pressure is less than the atmospheric pressure (negative) the air will move _____ the lungs

A

Into

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9
Q

What is the pressure inside the lungs or alveoli called?

A

Intrapulmonary or Intra-alveoli

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10
Q

Intrapulmonary is ____ when we start breathing in and _____ when we start breathing out.

A

Negative

Positive

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11
Q

Lungs have the tendency to collapse because of the recoil of ______ fibers surrounding the alveoli and the surface tension of the alveolar tension

A

elastic

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12
Q

This pressure is always negative and helps prevents your lungs form collapsing

A

Intrapleural pressure

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13
Q

The pressure difference between the intrapulmonary pressure and the intra-pleural pressure is called the ________ pressure

A

Transpulmonary

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14
Q

The pressure in the lungs has to be greater than the pressure in the _______ cavity to keep the always open

A

Pleural

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15
Q

According to boyles law, in a closed container any change in volume or pressure of a gas has an _____ effect on the other parameter

A

Inverse

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16
Q

Inspiration or the act of breathing in is always an _______ process.

A

Active

17
Q

What three factors do the inspiratory muscles have to overcome?

A

Airway resistance
Alveolar surface tension
Lung compliance

18
Q

Airway resistance is usually very ____ unless flow is restricted by a narrowing of passages

A

Low

19
Q

Alveolar surface tension is lowered just enough by _______ secreted by type II aveolar cells to allow for expansion

A

Surfactant

20
Q

Lack of surfactant in a newborn is known as _______ _______ ______ syndrome

A

Infant respiratory distress

21
Q

The amount of air inhaled or exhaled with each breath under resting conditions

A

Tidal Volume (TV)

22
Q

The volume of air remaining in lungs after a normal Tidal volume expiration

A

Functional residual capacity

23
Q

TV + IRV + ERV

A

Vital Capacity

24
Q

Amount of air that can be forcefully inhaled after normal tidal volume inhalation

A

Inspiration reserve volume

IRV

25
Q

ERV + RV

A

functional residual capacity

26
Q

Amount of air that can be forcefully exhaled after a normal tidal volume exhalation

A

Expiratory reserve volume

27
Q

Amount of air remaining in the lungs after forced exhalation

A

Residual volume

28
Q

Maximum amount of air that can be inspired after a normal expiration

A

Inspiratory capacity

29
Q

Maximum amount of air that can be expired after a maximum inspiratory effort

A

Vital capacity

30
Q

Max. amount of air in the lungs after max. inspiratory effort

A

Total lung capacity

31
Q

TV+IRV+ERV+RV

A

Total lung capacity

32
Q

TV + IRV

A

Inspiratory capacity

33
Q

AVR or ________ is the flow of gases into and out of the alveoli during a particular time.

A

Alveolar ventilation rate

34
Q

Some inspired air never contributes to has exchange, this is known as

A

Dead space

35
Q

This is the instrument used for measuring respiratory capacities

A

Spirometers

Module 20- Respiratory (2 decks)

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