Physiology - Ventilation Flashcards

1
Q

which of these is passive in health?

a. inspiration
b. expiration

A

b.expiration

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2
Q

the volume of air left in the lungs after a full breath out is known as?

a. inspiratory reserve volume
b. tidal volume
c. expiratory reserve volume
d. residual volume
e. functional residual capacity
d. vital capicity

A

d.residual volume

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3
Q

what is the total volume exhaled in one breath known as?

a. inspiratory reserve volume
b. tidal volume
c. expiratory reserve volume
d. residual volume
e. functional residual capacity
d. vital capicity

A

d.vital capicity

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4
Q

what volume is made by the difference between tidal volume and a full breath in?

a. inspiratory reserve volume
b. tidal volume
c. expiratory reserve volume
d. residual volume
e. functional residual capacity
d. vital capicity

A

a. inspiratory reserve volume

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5
Q

expiratory reserve volume + residual volume =

a. inspiratory reserve volume
b. tidal volume
c. expiratory reserve volume
d. residual volume
e. functional residual capacity
d. vital capicity

A

e.functional residual capacity

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6
Q

what is formed by the addition of inpiratory reserve volume, tidal volume and expiratory reserve volume

a. inspiratory reserve volume
b. tidal volume
c. expiratory reserve volume
d. residual volume
e. functional residual capacity
d. vital capicity

A

d.vital capicity

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7
Q

what is the amount of air exhaled out on a full breath known as?

a. inspiratory reserve volume
b. tidal volume
c. expiratory reserve volume
d. residual volume
e. functional residual capacity
d. vital capicity

A

c.expiratory reserve volume

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8
Q

tidal volume x respiratory frequency gives which volume?

a. inspiratory reserve volume
b. minute volume
c. expiratory reserve volume
d. residual volume
e. functional residual capacity
d. vital capicity

A

b. minute volume

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9
Q

what is measured using dilution methods?

a. inspiratory reserve volume
b. minute volume
c. expiratory reserve volume
d. residual volume
e. functional residual capacity
d. vital capicity

A

d.residual volume

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10
Q

how much helium is breathed in in a dilution method to measure residual volume?

a. inspiratory reserve volume
b. minute volume
c. expiratory reserve volume
d. residual volume
e. functional residual capacity
d. vital capicity

A

d.vital capicity

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11
Q

after inhaltion of helium the vital capcity of helium is mixed with what capcity in the lung?

a. inspiratory reserve volume
b. minute volume
c. expiratory reserve volume
d. residual volume
e. functional residual capacity
d. vital capicity

A

d.residual volume

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12
Q

true or false helium is not taken up by the blood/lost from the alveoli?

a. true
b. false

A

a.true

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13
Q

what is most of the work done against in quiet breathing?

a. compliance
b. elastance

A

b.elastance

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14
Q

true or false no work is done in expiration in healthy breathing?

a. true
b. false

A

a.true

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15
Q

what is the equation for airway resistance according to ohms law?

a.Pressure x flow
b.pressure / flow
c,pressure /force

A

b.pressure / flow

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16
Q

what is the pressure needed to drive unit air flow through the conducting airways known as?

a. flow
b. pressure
c. airway resistance

A

b.pressure / flow

17
Q

increased airway resistance, ventilation and narrowed airways lead to

a. pulmonary fibrosis
b. dyspnoea
c. emphysema
d. asthma

A

b.dyspnoea