What agent has proved to be the most successful in pleurodesis?
a. Mixture of saline and Mucomyst
b. Acetaminophen in suspension
c. Saline solution mixed with heparin
d. Talc suspended in saline
ANS: D
The success of talc pleurodesis, approximately 90%, is higher than that of all alternatives except surgical abrasion.
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All of the following factors may determine the amount of transthoracic resistance to current flow except:
A) type of monitor B) electrode position C) interface material D) size of the patient
You have applied a nonporous dressing to a stab wound on a patient's chest. The Emergency Medical Responder assisting you asks you why the dressing was taped on three sides and not all four. Your best response is that taping the dressing on three sides:
A) permits oxygen to still enter the lungs. B) allows trapped air to escape on exhalation. C) causes less pain for the patient. D) decreases the chance of air entering the chest on exhalation.
What percentage of the total blood volume is composed of formed elements?
a. 55 b. 45 c. 100 d. 10
Which of the following disease states requires the addition of selective and/or differential medium to ensure recovery of potential pathogens from the respiratory system?
A) Cystic fibrosis B) All of the above C) Laryngitis D) A and B E) Pertussis