Download Chapter 15 Practice Test 2012

Chapter 15 Practice Test 2012
Name ____________________________
Matching
___1.
___2.
___3.
___4.
___5.
___ 6
___7.
___8.
___9.
Thyroid cartilage
Surfactant cells
Hypoxia
Surfactant cells
Bacteria
Anoxia
Collapsed lung
Inhalation
Exhalation
a.
b.
c.
d.
e.
f.
g.
h.
i.
no O2 supply to tissues
alveolar macrophages
produce oily secretion
inspiration
low O2 content in tissue fluids
Adam's apple
expiration
atlectasis
Adam’s apple
10. The structure that prevents the entry of liquids or solid food into the respiratory passageways
during swallowing is the
a. glottis
b. artenoids cartilage
c. epiglottis
d. thyroid cartilage
11. The amount of air moved into or out of the lungs during a single respiratory cycle is the:
a. respiratory minute volume
b. tidal volume
c. residual volume
d. inspiratory capacity
12. When the diaphragm contracts, it tenses and moves inferiorly, causing:
a. an increase in the volume of the thoracic cavity
b. a decrease in the volume of the thoracic cavity
c. decreased pressure on the contents of the abdominopelvic cavity
d. increased pressure in the thoracic cavity.
13. Gas exchange at the respiratory membrane is efficient because:
a. the differences in partial pressure are substantial
b. the gases are lipid soluble.
c. the total surface area is large
d. a,b, and c are correct
14. Pulmonary surfactant is a phospholipid secretion produced by alveolar cells to
a. increase the surface area of alveoli
b. reduce the cohesive force of air molecules and lower surface tension
c. increase the cohesive force of air molecules and raise surface tension.
d. reduce the attractive force of H2O molecules and decrease surface tension.
15. Air entering the body is filtered, warmed and humidified by the
a. Nose and sinus passages
b. trachea
c. lungs
d. alveoli
16. The respiratory membrane consists primarily of
a. pseudostratified ciliated columnar epithelium
b. moist cuboidal epithelium
c. simple squamous epithelium
d. ciliated squamous epithelium
17 Most of the oxygen transported by the blood is
a. dissolved in plasma
b. bound to hemoglobin
c. carried by white blood cells
d. ionic form in the plasma
18. Most of the carbon dioxide in the blood is transported as
a. carbonic acid
b. bicarbonate ions
c. carbaminohemoglobin
d. a solute dissolved in the plasma
19. The respiratory centers that regulate breathing are located in the
a. brain stem and cerebrum
b. cerebrum and cerebellum
c. lungs
d. pons and medulla oblongata
20. In quiet breathing,
a. inspiration and expiration involve muscular contractions
b. inspiration is passive and expiration involves muscular contractions.
c. inspiration involves muscular contractions and expiration is passive.
d. inspiration and expiration are both passive processes
21. The deflation reflex operates by
a. inhibiting the expiratory center and stimulating the inspiratory center when the lungs
are collapsing.
b. preventing overexpansion during forced breathing
c. osmoreceptors located in the carotid sinus.
d. being activated during normal, quiet breathing
e. preventing overexpansion during quiet breathing.
22. In this procedure, an incision is made through the anterior tracheal wall and a tube is
inserted.
a. tracheostomy
b. tracheotomy
c. bronchoscopy
d. laryngotomy
e. none of the above.
23. A chronic, progressive condition characterized by shortness of breath and destruction of
alveolar surfaces and inadequate surface area for gaseous exchange is termed
a. cystic fibrosis
b. emphysema
c. asthma
d. pneumonia
e. none of the above.
24. Identify the most common lethal inherited disease affecting Caucasions of Northern
European descent that results from a defective gene located on chromosome 7.
a. pneumonia
b. emphysema
c. cystic fibrosis
d. asthma
e. pneumothorax