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