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Respiratory System Part 3
Test Description: Third part
Instructions: Answer all questions to get your test result.
1) The reflex that inhibits the expiratory center and stimulates the inspiratory center when the lungs are collapsing is the ________reflex.
A
chemoreceptor
B
deflation
C
inflammatory
D
inflation
2) At birth, blood is pulled into the pulmonary circulation by
A
the same drop in pressure that pulls air into the lungs
B
pulmonary arterial resistance
C
powerful contractions of the diaphragm
D
pulmonary surfactant
3) The destruction of alveoli due to aging or by respiratory irritants is called
A
pneumonia
B
emphysema
C
asthma
D
pulmonary embolism
4) The loss of elasticity in the lungs due to aging decreases the
A
residual volume
B
tidal volume
C
vital capacity
D
All of the above
5) The most probable cause of restricted movements of the chest cavity in the elderly is
A
an increased incidence of asthma
B
arthritic changes in the rib joints
C
excessive smoking
D
the presence of pulmonary emboli
6) All the systems of the body are affected by the respiratory system in that the respiratory system provides
A
increased thoracic pressure for promoting defecation
B
bicarbonate ions to buffer pH activity in the body
C
antigens to trigger specific defenses
D
oxygen and eliminates carbon dioxide
7) a
A
a
8) a
A
a
9) a
A
a
10) a
A
a
*select an answer for all questions
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