An inability to contract the trachealis muscle would
A) necessitate the Heimlich maneuver.
B) lead to immediate respiratory failure.
C) cause the lungs to collapse.
D) interfere with the passage of large volumes of food.
E) slacken both the false and true vocal cords.

Question

Quizplus · Accepted Answer

The trachealis muscle is responsible for regulating the diameter of the trachea. If it is unable to contract, it would not be able to narrow the trachea, which could interfere with the passage of large volumes of food. This would not necessarily lead to respiratory failure or lung collapse, and wouldn't affect the Heimlich maneuver or vocal cords.

An Inability to Contract the Trachealis Muscle Would