Which of the following statements about bronchioles is true?
A) Sympathetic action causes bronchodilation.
B) Walls contain hyaline cartilage.
C) Extreme bronchodilation occurs in asthma.
D) The muscular walls are composed of a mixture of skeletal and smooth muscle.
E) Segmental bronchi are braches of terminal bronchioles.
Answer: A
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Which of the following means to kill or destroy??
A) ?Peri B) ?-cidal C) ?Ser D) ?-ac
The respiratory infection that affects the most people each year is the _________________________.?
Fill in the blank(s) with correct word
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