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Respiratory System Test 1
Test Description: Anatomy and Physiology of the Respiratory System
Instructions: Answer all questions to get your test result.
1) The correct order of the following passageways from largest to smallest is ___________.
A
bronchioles, trachea, bronchi, alveoli
B
alveoli, bronchioles, bronchi, trachea
C
trachea, bronchi, bronchioles,alveoli
D
bronchi, bronchioles, trachea, alveoli
2) When a person suffers from laryngitis they have an inflammation of their __________.
A
epiglottis
B
uvula
C
vocal cords
D
adenoids
3) What do you call the normal volume of air that you breath in during normal breathing?
A
Expiratory Reserve
B
Tidal Volume
C
Vital Capacity
D
Inspiratory Reserve
4) Which of the following is not a function of the respiratory system?
A
Assist with homeostasis of body pH
B
Warm air
C
Distribute blood to cells
D
Filtrate air
5) The function of surfactant is to:
A
trap foreign particles as they enter the bronchial tree.
B
prevent each alveolus from collapsing as air moves in and out during respiration.
C
transport the carbon dioxide from the blood to the air.
D
transport the oxygen from the air to the blood.
6) The function of the vibrissae in the vestibule is to:
A
produce copious quantities of mucus.
B
serve as resonating chambers for speech.
C
provide an initial filter to screen particulate matter from air that is entering the system.
D
provide a large, mucus-covered surface area over which air must pass before reaching the pharynx.
7) The eustachian tube connects the middle ear with the:
A
larynx.
B
nose.
C
pharynx.
D
trachea.
8) During inspiration, the expansion of the lungs causes:
A
an increase in intrathoracic pressure
B
an osmotic gradient from alveoli to atmosphere.
C
cohesion of visceral and parietal pleura.
D
a decrease in lung pressure.
9) A sudden rise in CO2 levels in arterial blood pressure will:
A
cause a reflex increase in rate and depth of respirations.
B
have no effect on respirations because of the control mechanisms in the cerebral cortex.
C
cause a reflex decrease in respirations.
D
cause an immediate decrease in respirations followed by a prolonged period of rapid and shallow respirations.
10) Chemoreceptors in the carotid arteries are sensitive to ________________.
A
decreases in blood O2 levels.
B
increases in blood CO2 levels
C
increases in blood O2 levels
D
increases in hemoglobin levels
*select an answer for all questions
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