Chapter 22 test

Question 1

The nasal cavity is divided by the nasal septum into right and left
A. nares 
b. vestibules
c. fossae
d. choanae
e. conchae

Answer 1

c. fossae

Question 2

the intrinsic laryngeal muslces regulate speech by rotating

a. the extrinsic laryngeal muscle
b. the corniculate cartilages
c. the arytenoid cartilage
d. the hyoid bone
c. the vocal cords

Answer 2

c. the arytenoid cartilage

Question 3

The largest air passages that engage in gas exchange with the blood are

a. the respiratory bronchioles
b. the termical bronchioles
c. the primary bronchi
d. the alveolar ducts
e. the alveoli

Answer 3

a. the respiratory bronchioles

Question 4

Respiratory arrest would most likely result from a tumor of the 
a. pons 
b. midbrain
c, thalamus
d. cerebellum
e. medulla oblongata

Answer 4

e. medulla oblongata

Question 5

Which of these values would normally be the highest?

a. tidal volume
b. inspiratory reserve volume
c. expiratory reserve volume
d. residual volume
e. vital capacity

Answer 5

e. vital capacity

Question 6

The _____ protects the lungs from injury by excessive inspiration.

a. pleura
b. rib cage
c. inflation reflex
d. haldane effect
e. bohr effect

Answer 6

c. inflation reflex

Question 7

According to _______, the warming of air as its inhaled helps to inflate the lungs.

a. boyles law
b. charles’s law
c. daltons law
d. bohr effect
e. haldane effect

Answer 7

b. charles’s law

Question 8

Poor blood circulation causes _______ hypoxia.

a. ischemic
b. histoxic
c. hemolytic
d. anemic
e. hypoxemic

Answer 8

a. ischemic

Question 9

MOst of the CO2 that diffuses from the blood into an alveolus comes from

a. dissolved gas
b. carbminohemoglobin
c. carboxyhemoglobin
d. carbonic acid
e. expired air

Answer 9

d. carbonic acid

Question 10

The duration of an inspiration is set by.

a. the pneumotaxic center
b. the phrenic nerves
c. the vagus nerves
d. the I neurons
e. the E neurons

Answer 10

a. the pneumotaxic center