Which statement is NOT true of the bronchial tree?
A)The trachea branches into the right and left primary bronchi.
B)The secondary bronchi carry air to the lobes of each lung.
C)The primary and secondary bronchi are kept open by cartilage.
D)The bronchioles are kept open by striated muscle.

Question

Quizplus · Accepted Answer

The statement that the bronchioles are kept open by striated muscle is not true. The bronchioles are actually kept open by elastic fibers and smooth muscles.

Which Statement Is NOT True of the Bronchial Tree