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Anat/Phys Respiratory System
Test Description: AP Explorations
Instructions: Answer all questions to get your test result.
1) Upper respiratory structure(s) that create air turbulence to warm and moisten air is/ are
A
the larynx.
B
the pharynx.
C
the conchae.
D
the tonsils.
2) Structure that prevents food from entering the trachea is the
A
epiglottis.
B
pharynx.
C
thyroid cartilage.
D
bronchus.
3) What prevents the trachea from collapsing?
A
C-shaped cartilages in the tracheal wall
B
mucosa lining the trachea
C
cricoid cartilage
D
thyroid cartilage
4) What is the site of gas exchange in the lungs?
A
pleura
B
aveoli
C
bronchi
D
bronchioles
5) What nervous centers control respiration?
A
pons and medulla oblongata
B
midbrain and pons
C
hypothalamus and midbrain
D
thalamus and hypothalamus
6) What causes air to enter the lungs during inhalation?
A
relaxation of the diaphragm
B
positive pressure in the thoracic cavity
C
higher air pressure in the lungs than outside
D
higher air pressure outside the lungs than inside
7) The amount of air exchanged during quiet respiration is the
A
vital capacity
B
total lung capacity
C
inspiratory reserve volume
D
tidal volume
8) The amount of air that remains in the lungs after forced expiration is the
A
vital capacity
B
tidal volume
C
residual volume
D
expiratory reserve volume
9) Vital capacity is
A
TV + IRV + ERV + RV
B
IRV + ERV
C
TV + IRV
D
TV + IRV + ERV
10) The most powerful drive for respiration is
A
signals from stretch receptors in the lungs.
B
carbon dioxide content in the blood.
C
the amount of air in the lungs.
D
oxygen content in the blood.
*select an answer for all questions
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