Author Question: Which of the following lung availability/total systemic availability (L/T) ratios is consistent with ... (Read 138 times)

kwoodring · **on:** Jul 16, 2018

Which of the following lung availability/total systemic availability (L/T) ratios is consistent with an efficient aerosol delivery?

a. 0.46
b. 0.23
c. 0.1
d. 0.6

Question 2

Pharmacologic control of the airway is mediated by receptors found on which of the following structures? 1. Smooth muscle 2. Secretory cells 3. Blood vessels 4. Alveolar epithelium

a. 1 and 3 only
b. 1, 2, and 3 only
c. 3 and 4 only
d. 2, 3, and 4 only

allisonblackmore · **Reply #1 on:** Jul 16, 2018

Answer to Question 1

ANS: D
The L/T ratio quantifies the efficiency of aerosol delivery to the lung.

Answer to Question 2

ANS: B
Pharmacologic control of the airway is mediated by receptors found on airway smooth muscle, secretory cells, bronchial epithelium, and pulmonary and bronchial blood vessels.