At what level in the tracheobronchial tree are cilia completely absent?
A. respiratory bronchioles
B. bronchioles
C. lobar bronchi
D. mainstem bronchi
Answer: A
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Which of the following is a late sign or symptom of a localized cold emergency?
A) Soft skin B) Slow capillary refill time C) Tingling sensation D) White, waxy skin
Which of the following parts are required to conduct high-frequency external chest wall com-pression?
1. Variable air-pulse generator 2. Expiratory flow resistor with one-way valve 3. Nonstretch inflatable thoracic vest a. 1 and 2 only b. 2 and 3 only c. 1 and 3 only d. 1, 2, and 3
Medical conditions or complications that patients develop during inpatient hospital stays and that were not present at admission are called __________
a. case-mix index relative weights b. hospital-acquired conditions c. medical diagnostic categories d. resource utilization groups
Which of the following is a substance that is derived from tropical trees and that patients and health care workers may be highly allergic to?
a. chlorhexidine b. iodine c. latex d. polyvinylchloride