WorksheetsVentilation
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
What is the primary function of the lungs?
a)
convert angiotensin I to angiotensin II
b)
filter pulmonary bloodOption 2*
c)
gas exchange
d)
remove carbon monoxide (CO)
2.
Which of the following pressures normally remains negative (relative to atmospheric pressure) during quiet breathing?
a)
Palv
b)
Ppl
c)
Pao
d)
Pbs
3.
The presence of surfactant in the alveoli tends to do which of the following?
a)
decrease compliance
b)
decrease surface tension
c)
increase elastance
d)
increase resistance
4.
A fibrotic lung would exhibit which of the following characteristics?
a)
decreased airway resistance
b)
decreased lung compliance
c)
decreased PVR
d)
decreased surface tension
5.
What is the term for the impedance to ventilation caused by the movement of gas through the conducting system of the lungs?
a)
airway resistance
b)
lung compliance
c)
surface tension
d)
tissue elastance
6.
In individuals with disorders characterized by an increased frictional work of breathing, such as emphysema, which of the following breathing patterns results in the minimum work?Question*
a)
rapid and deep breathing
b)
rapid and shallow breathing
c)
slow and deep breathing
d)
slow and shallow breathing
7.
Which of the following formulas are used to compute the time constant of a lung unit?
a)
change in pressure ´ flow
b)
compliance/resistance
c)
resistance/elastance
d)
resistance ´ compliance
8.
Blockage of the pulmonary arterial circulation to a portion of the lung would cause which of the following?Question*
a)
decrease in anatomical dead space
b)
decrease in physiologic dead space
c)
increase in alveolar dead space
d)
increase in anatomical dead space
9.
Which of the following diseases or disorders is most likely to result in an increased VD/VT ratio?
a)
atelectasis
b)
pneumonia
c)
pulmonary embolus
d)
pulmonary fibrosis
10.
Hypoventilation is defined as:
a)
decreased tidal volume
b)
low blood oxygen level
c)
very slow respiratory rate
d)
elevated blood carbon dioxide level
11.
What is ventilation that is insufficient to meet metabolic needs called?
a)
hypoventilation
b)
hyperventilation
c)
hyperpnea
d)
hypopnea
12.
What is used for setting optimal PEEP on a ventilator?
a)
Pressure-volume curveOption 1*
b)
Flow-volume curve
c)
Patient’s height and weight
d)
The disease state the patient is in.
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