Download Respiratory Quiz 2 Name MULTIPLE CHOICE ______1. Which of

Respiratory Quiz 2
Name __________________________________________________
MULTIPLE CHOICE
______1. Which of these functions cannot be attributed to the mucous
membrane that lines the nasal cavity?
a.
warms incoming air
b. filters particles from incoming air
c.
moistens incoming air
d.
initial oxygen exchange between air and blood occurs here
______2. What bones of the skull do not have paranasal sinuses?
a.
palatine bones
b.
maxillary bones
c.
ethmoid bone
d.
sphenoid bone
______3. The true vocal cords are those that produce the sounds of the
human voice. Where are these located?
a.
at the back of the mouth
b.
superior to the false vocal cords
c.
inferior to the false vocal cords
d.
within the esophagus
______4. The primary force responsible for air moving into the lungs during
inhalation is _________________.
a.
atmospheric pressure
b.
muscular contraction
c.
reduced surface tension inside the lungs
d.
muscular relaxation
______5. The lipoprotein known as _____________ reduces surface tension within
the alveoli so they do not collapse during exhalation.
a.
surfactant
b.
phospholipid
c.
beryllium
d.
alveolar membrane lipoprotein
______6. The force of exhalation is primarily due to _____________________.
a.
greater atmospheric pressure outside the lungs than inside
b.
elastic recoil of thoracic muscles
c.
forceful blowing to remove air from the lungs
d.
muscular contraction
______7. The maximum amount of air a person can exhale after taking the
deepest breath possible is the _________________.
a.
total lung capacity
b.
inspiratory reserve volume
c.
vital capacity
d.
residual volume
______8. The amount of air that remains in the lungs at all times, even after
exhaling forcibly, is ____________.
a.
tidal volume
b.
inspiratory reserve volume
c.
expiratory reserve volume
d.
residual volume
_______9. Which portion of the brain controls the basic rhythm of breathing?
a.
peripheral chemoreceptors
b.
dorsal respiratory group of the medullary rhythmicity center
c.
ventral respiratory group of the medullary rhythmicity center
d. pneumotaxic area
______10. Peripheral chemoreceptors in the walls of the aorta and carotid
arteries detect _______________ in the blood, and can send information to the
brain for the adjustment of the breathing rate.
a.
hydrogen ion concentration
b.
carbon dioxide concentration
c.
oxygen concentration
d.
chloride ion concentration
______11. The respiratory membrane, across which gases diffuse, is very thin
and made up of _______________.
a.
alveolar macrophages and the alveolar cell membrane
b.
alveolar cell membrane and its basement membrane
c.
alveolar cell membrane and capillary membrane
d. alveolar squamous epithelium, capillary epithelium, and fused
basement membranes
______12. Within the blood, oxygen is primarily transported __________________
while the bulk of carbon dioxide is transported _________________.
a.
in association with hemoglobin; as carbon dioxide, dissolved in
the plasma
b.
as deoxyhemoglobin; as carbaminohemoglobin
c.
as oxyhemoglobin; as bicarbonate ions
d.
dissolved in the plasma; as carbaminohemoglobin
______13. The vocal cords are located within the
a. pharynx
b. larynx
c. trachea
d. oral cavity
______14. The amount of air that enters or leaves the lungs during a normal
respiratory cycle is the
a. tidal volume
b. residual volume
c. vital capacity
d. total lung capacity
______15. The enzymes carbonic anhydrase causes
a. carbon dioxide to react with water
b. carbon dioxide to react with bicarbonate ions
c. water to react with bicarbonate ions
d. water to react with hydrogen ions
______16. Breathing rate is most likely to increase if the blood concentration
of
a. carbon dioxide decreases
b. carbon dioxide increases
c. hydrogen ions decrease
d. oxygen increases
______17. Microorganisms trapped in the mucus of the nasal cavity are most
likely to be transported to the
a. larynx
b. trachea
c. stomach
d. alveoli
______18. Gas exchange between the air in the alveoli and the blood in
nearby capillaries occurs primarily by
a. diffusion
b. osmosis
c. active transport
d. dialysis
______19. The condition of newborns called respiratory distress syndrome is
caused by
a. lack of surfactant
b. lack of a hyaline membrane
c. low oxygen concentration
d. high oxygen concentration
______20. The condition in which air enters the pleural cavity is called
a. pneumonia
b. pneumothorax
c. pulmonary ventilation
d. internal respiration
______21. Which of the following are volumes that cannot be measured using
a simple spirometer?
a. tidal volume
b. vital capacity
c. residual volume
d. total lung capacity
_______22. Carbon dioxide is sometimes added to the air that a patient
breathes in order to
a. increase the rate and decrease the depth of breathing
b. increase the rate and increase the depth of breathing
c. decrease the rate and increase the depth of breathing
d. decrease the rate and decrease the depth of breathing
______23. Hyperventilation is most likely to be accompanied by a(an)
a. decrease in blood carbon dioxide concentration and a drop in pH
b. decrease in blood carbon dioxide concentration and a rise in pH
c. increase in blood carbon dioxide concentration and a drop in pH
d. increase in blood carbon dioxide concentration and a rise in pH
FILL IN THE BLANK
24. ________________________ is a substance secreted by cells in the lungs that
reduces surface tension.
25. The maximum amount of air a person can exhale after taking the deepest
breath possible is a measurement of the ____________________________.
26. The layer of serous membrane that is firmly attached to the surface of a
lung is called _________________________________.
27. The respiratory center is located in the medulla oblongata and the
____________________ of the brainstem.
28. Within a mixture of gases, the pressure created by each gas is called its
________________________.
29. When carbon dioxide binds to hemoglobin, the compound
_____________________ is formed.