Cells obtain energy primarily
A) through gas exchange, gain of O2, and elimination of CO2.
B) through aerobic metabolism.
C) to increase the energy level of the cells.
D) to assist in the movement of blood by decreasing its density by the addition of gases.
E) None of the answers are correct. ...
TEST BANK 24 ALREADY PASSED
Cells obtain energy primarily
A) through gas exchange, gain of O2, and elimination of CO2.
B) through aerobic metabolism.
C) to increase the energy level of the cells.
D) to assist in the movement of blood by decreasing its density by the addition of gases.
E) None of the answers are correct. - ANS b
The last passageway of the conducting portion of the respiratory tract is called the
A) terminal bronchiole.
B) alveolar duct.
C) respiratory bronchiole.
D) alveolus.
E) air sac. - ANS a
The mucous membrane or mucosa of the respiratory system
A) consists of respiratory epithelial cells overlying a layer of loose connective tissue, the lamina propria.
B) surrounds a thick layer of connective tissue, the submucosa.
C) is present as the lining of the alveoli.
D) contains an epithelium that differs from that of the larynx.
E) None of the answers are correct. - ANS a
Together, the epithelium and the lamina propria of the respiratory tract constitute (a)
A) cutaneous membrane.
,B) mucous membrane.
C) serous membrane.
D) synovial membrane.
E) All of the answers are correct. - ANS b
Which of the following statements is true of the respiratory epithelium?
A) assists in the regulation of blood volume
B) contributes to the control of blood pressure
C) contributes to the control of body fluid pH
D) assists in regulation of hormone activation to control the rate of digestion
E) protects respiratory surfaces from dehydration - ANS e
The ________ is lined by squamous epithelium.
A) nasal cavity
B) nasopharynx
C) oropharynx
D) larynx
E) trachea - ANS c
The area of the respiratory passageways that begins at the larynx and extends into the alveoli is the
A) upper respiratory tract.
B) conducting portion.
C) lower respiratory tract.
D) respiratory portion.
E) All of the answers are correct. - ANS c
, The outer openings of the nasal cavity are called
A) the nasal septum.
B) external nares.
C) the apex of the nose.
D) internal nares.
E) None of the answers are correct. - ANS b
Which of the following bones is involved in making up the nasal septum?
A) frontal
B) maxillary
C) temporal
D) ethmoid
E) sphenoid - ANS d
The ________ separates the nasal and oral cavities.
A) palate
B) internal nare
C) alar cartilage
D) pharynx
E) nasal septum - ANS a
The openings of the auditory tubes are located in the
A) oropharynx.
B) larynx.
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