Author Question: The entire array of protective mechanisms in the respiratory system is called the A) respiratory ... (Read 99 times)

Anajune7 · **on:** Feb 28, 2019

The entire array of protective mechanisms in the respiratory system is called the
A) respiratory immunity.
B) macrophage complex.
C) respiratory defense system.
D) acquired respiratory defense.
E) mucus escalator.

Question 2

Which of the following statements is true? The stimulation of beta-adrenergic receptors can lead to 1. an increase in metabolic activity. 2. contraction of airway smooth muscle. 3. the breakdown of triglycerides within adipocytes.
A) 1
B) 2
C) 3
D) 1 and 3
E) 1, 2, and 3