Which of the following describes the function of cilia?
A. Tiny structures in the airways that trap and hold foreign material
B. Composed of macrophages and destroy inhaled pathogens
C. Tiny hair-like structures in the airways that push mucus toward the pharynx
D. Flap-like structures that close off the larynx during swallowing
E. Mucus-secreting cells in the lower bronchial tree
Answer: C
You might also like to view...
The primary purpose of the immediate spin phase is to detect antibodies that react at room temperature, typically antibodies of the _____ class
a. IgA b. IgE c. IgG d. IgM
A patient with an Olympic button arrives in the emergency department via ambulance and has a respiratory arrest in the hospital. To establish a secure airway that could be attached to a mechan-ical ventilator, the respiratory therapist should:
a. insert an laryngeal mask airway. b. place a nasopharyngeal airway in the nose. c. intubate the patient with an uncuffed en-dotracheal tube. d. replace the Olympic button with a cuffed TT.
Which of the following is the normal value for a platelet count?
a. 20,000–50,000 b. 50,000–100,000 c. 150,000–450,000 d. 400,000–600,000
Ventricular fibrillation should be treated with immediate:
A) synchronized cardioversion. B) defibrillation. C) intubation. D) antidysrhythmics.