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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
inflammatory
B
inflation
C
chemoreceptor
D
deflation
2) At birth, blood is pulled into the pulmonary circulation by
A
pulmonary surfactant
B
powerful contractions of the diaphragm
C
pulmonary arterial resistance
D
the same drop in pressure that pulls air into the lungs
3) The destruction of alveoli due to aging or by respiratory irritants is called
A
asthma
B
emphysema
C
pneumonia
D
pulmonary embolism
4) The loss of elasticity in the lungs due to aging decreases the
A
All of the above
B
tidal volume
C
residual volume
D
vital capacity
5) The most probable cause of restricted movements of the chest cavity in the elderly is
A
an increased incidence of asthma
B
excessive smoking
C
arthritic changes in the rib joints
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
oxygen and eliminates carbon dioxide
B
increased thoracic pressure for promoting defecation
C
antigens to trigger specific defenses
D
bicarbonate ions to buffer pH activity in the body
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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