Which of the following statements regarding bronchial tubes is NOT true?
a. Each bronchus is surrounded by pulmonary capillaries.
b. Bronchi divide to form narrow bronchioles.
c. The trachea splits into a left and right main bronchus.
d. Alveoli are located at the tips of bronchioles.
Question 2
A weakened and dilated artery is called a(n):
a. arteriosclerosis
b. aneurysm
c. varicosity
d. atherosclerosis