APHY 102 RESPIRATORY SYSTEM IVY TECH QUESTIONS WITH COMPLETE ANSWERS

First structures involved with gas exchange


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Respiratory bronchiole

,Which of the following is part of the upper respiratory structures?
A) Lungs
B) Trachea
C) Bronchi
D) Pharynx


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Pharynx




Carina
a. substance that reduces surface tension
b. region of the lung through which blood vessels enter and leave
c. iron-containing molecule
d. potential space between parieta1 and visceral pleura.
e. cartilaginous ridge between the bronchi


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cartilaginous ridge between the bronchi




Which of these has the highest affinity for hemoglobin?
A) Carbon dioxide
B) Nitrogen
C) Oxygen
D) Carbon monoxide


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, Carbon monoxide




The pitch of a vocal sound is controlled by changing the
a. force of the air
b. tension on the vocal cords
c. size of the laryngeal cartilages
d. shape of the laryngeal cartilages


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tension on the vocal cords




The true vocal cords move because they are attached to the _____ cartilage posteriorly
and the thyroid cartilage anteriorly.
A) Nasal septum
B) Cricoid
C) Epiglottis
D) Arytenoid


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Arytenoid




Atmospheric pressure at sea level is around _____ mmHg.
A) 760
B) 500