Respiratory System Test 1: Question Preview (ID: 1823)

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The correct order of the following passageways from largest to smallest is ___________.
a) bronchi, bronchioles, trachea, alveoli
b) bronchioles, trachea, bronchi, alveoli
c) alveoli, bronchioles, bronchi, trachea
d) trachea, bronchi, bronchioles,alveoli

When a person suffers from laryngitis they have an inflammation of their __________.
a) epiglottis
b) uvula
c) adenoids
d) vocal cords

What do you call the normal volume of air that you breath in during normal breathing?
a) Vital Capacity
b) Tidal Volume
c) Inspiratory Reserve
d) Expiratory Reserve

Which of the following is not a function of the respiratory system?
a) Assist with homeostasis of body pH
b) Distribute blood to cells
c) Filtrate air
d) Warm air

The function of surfactant is to:
a) transport the oxygen from the air to the blood.
b) transport the carbon dioxide from the blood to the air.
c) prevent each alveolus from collapsing as air moves in and out during respiration.
d) trap foreign particles as they enter the bronchial tree.

The function of the vibrissae in the vestibule is to:
a) provide a large, mucus-covered surface area over which air must pass before reaching the pharynx.
b) provide an initial filter to screen particulate matter from air that is entering the system.
c) produce copious quantities of mucus.
d) serve as resonating chambers for speech.

The eustachian tube connects the middle ear with the:
a) trachea.
b) nose.
c) pharynx.
d) larynx.

During inspiration, the expansion of the lungs causes:
a) cohesion of visceral and parietal pleura.
b) an osmotic gradient from alveoli to atmosphere.
c) a decrease in lung pressure.
d) an increase in intrathoracic pressure

A sudden rise in CO2 levels in arterial blood pressure will:
a) cause a reflex increase in rate and depth of respirations.
b) cause a reflex decrease in respirations.
c) have no effect on respirations because of the control mechanisms in the cerebral cortex.
d) cause an immediate decrease in respirations followed by a prolonged period of rapid and shallow respirations.

Chemoreceptors in the carotid arteries are sensitive to ________________.
a) increases in blood O2 levels
b) increases in blood CO2 levels
c) decreases in blood O2 levels.
d) increases in hemoglobin levels

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