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