Chapter 32

Question 1
The gas exchange between air and the blood within the lungs is referred to as:
A. pulmonary respiration
B. external respiration
C. cellular respiration
D. internal respiration
E. ventilation

Question 2
If you were studying the gas exchange between blood and the tissue fluid you would be studying which of the following?
A. pulmonary respiration
B. external respiration
C. cellular respiration
D. internal respiration
E. ventilation

Question 3
It is easier for animals to obtain oxygen from water than from air.
A. true
B. false

Question 4
Which of the following organisms do not use their skin as a respiratory organ?
A. hydras
B. planarians
C. earthworms
D. fish
E. amphibians

Question 5
Which of the following organisms do not have gills for respiration?
A. hydras
B. clams
C. fish
D. tadpoles
E. crayfish

Question 6
A biologist is studying organisms which use tracheoles to obtain oxygen. Based on this information you would conclude that he or she is studying which of the following?
A. earthworms
B. planarians
C. fish
D. hydras
E. insects

Question 7
Which of the following organisms has the largest respiratory surface area?
A. earthworms
B. vertebrates
C. planarians
D. clams
E. hydras

Question 8
If you were studying the countercurrent exchange, which of the following organisms would you most likely be studying?
A. clams
B. crayfish
C. fish
D. squids
E. amphibians

Question 9
Ventilation in insects involves ___________ that can expand to draw air inside the animal.
A. lungs
B. gills
C. tracheoles
D. air sacs
E. tracheae

Question 10
A biologist is counting the small holes on an insect’s body which allow air to enter its respiratory system. Based on this information you would conclude that he or she is counting which of the following?
A. tracheoles
B. alveoli
C. spiracles
D. tracheae
E. air sacs

Question 11
If you were studying the structure that prevents food from entering the respiratory system you would be studying which of the following?
A. pharynx
B. larynx
C. glottis
D. alveoli
E. epiglottis

Question 12
Which part of the respiratory system is composed of C-shaped cartilaginous rings and cilia?
A. pharynx
B. larynx
C. trachea
D. bronchioles
E. alveoli

Question 13
Which association is not correct?
A. larynx-voice box
B. trachea-windpipe
C. alveoli-gas exchange
D. pharynx-vocal cords
E. hair and mucous-nasal passages

Question 14
The greatest surface area for gas exchange occurs within the:
A. trachea
B. bronchi
C. bronchioles
D. alveoli
E. pharynx

Question 15
Air that moves out during expiration has ________________ compared to air breathed in.
A. warmed and gained moisture
B. warmed and lost moisture
C. cooled and gained moisture
D. cooled and lost moisture
E. neither cooled or warmed

Question 16
Which is not a function of the respiratory tract?
A. warming incoming air before it reaches the lungs
B. moistening incoming air
C. filtering out dust and other particles
D. conducting air with higher oxygen to the lungs and carbon dioxide out
E. converting oxygen to carbon dioxide

Question 17
Trace the path of inhaled air molecules.
A. nasal cavity, glottis, larynx, trachea, pharynx, bronchi, bronchioles, alveoli
B. nasal cavity, pharynx, larynx, glottis, trachea, bronchi, bronchioles, alveoli
C. nasal cavity, pharynx, glottis, larynx, trachea, bronchi, bronchioles, alveoli
D. nasal cavity, pharynx, glottis, larynx, trachea, bronchioles, bronchi, alveoli
E. nasal cavity, pharynx, glottis, trachea, larynx, bronchi, bronchioles, alveoli

Question 18
Which respiratory organ normally allows both air and food passage?
A. bronchi
B. trachea
C. larynx
D. pharynx
E. nasal cavity

Question 19
The vocal cords are found in the:
A. bronchi
B. nose
C. larynx
D. lungs
E. pharynx

Question 20
The Adam's apple is actually a part of the:
A. pharynx
B. larynx
C. glottis
D. vocal cords
E. trachea

Answer Key – Chapter 32
B
D
B
D
A
E
B
C
D
C
E
C
D
D
A
E
C
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C
B

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Chapter 32

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