Questão 1
Questão
Quiet inspiration is the function of
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the diaphragm and the internal intercostal muscles
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the diaphragm and the external intercostal muscles
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the internal intercostal and external intercostal muscles
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none of the above
Questão 2
Questão
During normal, quiet respiration, the amount of air exchanged between the lungs and atmosphere is called ________________ and has a volume of __________________ mL.
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tidal volume; 1200
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vital capacity; 4500
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tidal volume; 500
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residual volume; 1200
Questão 3
Questão
Functional residual capacity equals
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TV + IRV
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TV + IRV + ERV + RV
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TV + IRV + ERV
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ERV + RV
Questão 4
Questão
Eupnea is a term used to describe
Questão 5
Questão
Under normal conditions, air in the atmosphere exerts a pressure of
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500 mm Hg.
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560 mm Hg.
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660 mm Hg.
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760 mm Hg.
Questão 6
Questão
Areas where gas exchange cannot take place are
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anatomical dead space
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nose, pharynx, larynx
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trachea and the bronchi
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all of the above
Questão 7
Questão
All of the following are regulated processes associated with the functioning of the respiratory system except
Questão 8
Questão
Dalton's law is also known as
Questão 9
Questão
Temperature is the measurement of the motion of molecules
Questão 10
Questão
The largest amount of air that can enter and leave the lungs during respiration is termed total lung capacity (TLC)
Questão 11
Questão
Residual volume (RV) is the volume remaining in the respiratory tract after maximum expiration
Questão 12
Questão
The temporary cessation of breathing is termed apnea
Questão 13
Questão
It is not possible to exhale all of the air from your lungs
Questão 14
Questão
The ability of the lungs and thorax to stretch, referred to as [blank_start]compliance[blank_end], is essential to normal respiration.
Questão 15
Questão
Intrapleural pressure is always less, or negative with respect to alveolar pressure. The difference is called the [blank_start]transpulmanory[blank_end] [blank_start]pressure[blank_end].
Questão 16
Questão
Tidal volume multiplied by the respiratory rate yields the [blank_start]total[blank_end] [blank_start]minute[blank_end] [blank_start]volume[blank_end].
Questão 17
Questão
The constant alternation between inspiration and expiration is called the [blank_start]respiratory[blank_end] [blank_start]cycle[blank_end].
Questão 18
Questão
The basic rhythm of the respiratory cycle of inspiration and expiration seems to be generated by the [blank_start]medullary[blank_end] [blank_start]rhythmicity[blank_end] [blank_start]area[blank_end].
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medullary
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rhythmicity
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area
Questão 19
Questão
The term that means the same thing as breathing is
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gas exchange
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respiration
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inspiration
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pulmonary ventilation
Questão 20
Questão
Which of the following does not occur during inspiration?
Questão 21
Questão
A young adult male would have a vital capacity of about
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500 mL
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1200 mL
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3300 mL
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4800 mL
Questão 22
Questão
The amount of air that can be forcibly exhaled after expiring the tidal volume is knows as the
Questão 23
Questão
Which one of the following is correct?
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VC = TV - IRV + ERV
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VC = TV + IRV - ERV
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VC = TV + IRV x ERV
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VC = TV + IRV + ERV
Questão 24
Questão
Air in the pleural space of the thoracic cavity is called a pneumothorax
Questão 25
Questão
A deficiency of surfactant in premature infants is called SIDS
Questão 26
Questão
[blank_start]Tidal volume[blank_end]: normal exhalation volume
[blank_start]Inspiratory reserve volume[blank_end]: approximately 3300 mL
[blank_start]Pneumothorax[blank_end]: collapsed lung
[blank_start]Physiologic dead space[blank_end]: increased in emphysema
[blank_start]Oxygen pressure[blank_end]: Po2
[blank_start]Surfactant[blank_end]: reduces surface tension in lungs
[blank_start]Apneusis[blank_end]: cessation of breathing
[blank_start]Chemoreceptors[blank_end]: sensitive to changes in arterial CO2 and pH
[blank_start]Hering-Breuer reflexes[blank_end]; helps control respirations
[blank_start]CO2[blank_end]: respiratory stimulant