A. are more likely to lodge in the right primary bronchus. B. are more likely to lodge in the left primary bronchus. C. lodge equally often in each of the two primary bronchi.
A. The right lung has two secondary bronchi and the left lung has three secondary bronchi.
B. The left lung has two secondary bronchi and the right lung has three secondary bronchi.
C. Each lung has two secondary bronchi.
D. Each lung has three secondary bronchi.
E. Each lung has four secondary bronchi.
(
Question 2) Relaxation of the smooth muscle within the walls of bronchioles leads to _______________.
Fill in the blank with correct word.
(
Question 3) Tracheal cartilages provide for _______ on the ________ aspect of the trachea.
A.
flexibility; anterior
B.
flexibility; posterior
C.
rigidity; anterior
D.
rigidity; posterior
(
Question 4) Foreign particles
A. are more likely to lodge in the right primary bronchus.
B. are more likely to lodge in the left primary bronchus.
C. lodge equally often in each of the two primary bronchi.
(
Question 5) What type of tissue lines the trachea?
A. Cuboidal epithelium
B. Simple squamous epithelium
C. Stratified squamous keratinized epithelium
D. Stratified squamous nonkeratinized epithelium
E. Pseudostratified ciliated columnar epithelium
(
Question 6) How long is the average trachea?
A. 12-14 inches
B. 12-14 cm
C. 12-14 mm
(
Question 7) Pitch refers to the ________ of sound waves; pitch is determined by the tension produced by ________ laryngeal muscles.
A.
frequency; intrinsic
B.
frequency; extrinsic
C.
loudness; intrinsic
D.
loudness; extrinsic
(
Question 8) The larynx is supported by nine pieces of cartilage. Which cartilages occur in pairs?
A. Thyroid and corniculate
B. Corniculate and cricoid
C. Cricoid, corniculate, and arytenoid
D. Corniculate, cuneiform, and arytenoid
E. Arytenoid and epiglottis
(
Question 9) At the inferior end of the trachea is an internal ridge of mucosal covered cartilage that initiates a cough reflex when it is stimulated; this structure is the __________.
Fill in the blank with correct word.
(
Question 10) What prevents the trachea from collapsing?
A. The internal air pressure within the trachea
B. The surrounding muscles
C. The internal epithelium
D. The C-shaped cartilaginous rings
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