What type of severe lung infection may result in the development of small lung cavities called pneumatoceles?
a. Community-acquired pneumonia
b. Legionella pneumoniae
c. Staphylococcus aureus
d. Viral pneumonia
ANS: C
Patients with severe staphylococcal or gram-negative pneumonias may develop small cavities called pneumatoceles.
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500mL is to be infused over 4 hours. The rate would be:
A) 10 mL/hr. B) 30 mL/hr. C) 75 mL/hr. D) 125 mL/hr.
The Crossvent requires a compressed gas source of _________ to ensure adequate gas flow to the patient
a. 25 to 40 psi c. 31 to 75 psi b. 30 to 50 psi d. 40 to 90 psi
Simple unheated bubble humidifiers are commonly used to humidify gases with what type of systems?
a. Mechanical ventilation b. Oronasal O2 delivery c. Tracheal O2 airway d. Aerosol drug delivery
What are the primary components of the phosphate buffer system?
I. sodium salts of dihydrogen phosphate II. sodium salts of monohydrogen phosphate III. sodium salts of trihydrogen phosphate a. II and III only c. I, II, and III b. I and II only d. I only