Obstructive sleep apnea is an example of:
A) lower airway obstruction.
B) upper airway obstruction.
C) COPD.
D) CHF.
B
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Fertility and pregnancy tests can be up to ________ accurate
A) 90% B) 94% C) 97% D) 99%
You are called to an alcoholic crisis center to transport a patient experiencing delirium tremens. When assessing the patient, which signs or symptoms would the EMT associate with this condition?
A) Seizure activity, memory impairment, tachycardia, tremors B) Constricted pupils, hypothermia, confusion, hypotension C) Loss of memory, hallucinations, fever, dilated pupils D) High fever, seizure activity, sweating, restlessness
Who discovered O2 in 1774 and described it as "dephlogisticated air"?
a. Robert Boyle b. Jacque Charles c. Thomas Beddoes d. Joseph Priestley
The change in the single-breath carbon dioxide (CO2) curve from "A" to "B" shown in the figure may be a result of which of the following?
a. Hypervolemia b. Decreased positive end-expiratory pres-sure (PEEP) c. Increased mean airway pressure d. Excessive bronchodilator administration