Which of the following correctly describes the histological transition from bronchi into smaller branches in the bronchial tree?
A) More hyaline cartilage is found in the smaller passageways of the bronchial tree.
B) The rings of cartilage completely disappear during the transition from the trachea into the bronchial tree.
C) The amount of smooth muscle increases in the smaller passageways of the bronchial tree.
D) The lining changes from respiratory epithelium to stratified squamous epithelium.
Answer: C
You might also like to view...
During muscle contraction, myosin heads attach to actin and thereby form connections called ________.
Fill in the blank(s) with the appropriate word(s).
Endoplasmic reticulum is best described as a
A. cellular inclusion. B. nuclear pore. C. component of the cytoskeleton. D. network of interconnected membranes.
Albinism is the inherited inability to produce
a) melanin. b) carotene. c) both melanin and carotene. d) keratin. e) creatinine.
Which of the following is found in the medulla?
A) respiratory rhythmicity center B) pneumotaxic center C) apneustic center D) depth control center E) None of the answers are correct.