To ensure the prescribed FiO2 for a patient receiving 65% O2, you apply a closed reservoir deliv-ery system with a one-way expiratory valve. What other component must be included in this sys-tem to ensure a fail-safe operation?
a. Water trap
b. High-pressure alarm
c. Emergency inlet valve
d. Low-pressure alarm
ANS: C
These systems must be equipped with an emergency inlet valve that allows room air breathing in the event of source gas failure.
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Rebound tenderness is best described as:
a. a very useful finding for diagnosing a problem in a prehospital environment. b. severe pain that occurs after the sudden release of abdominal palpation pressure during an examination of the abdomen. c. a type of pain that is initially relieved by vomiting but returns within a short period of time. d. pain that radiates into an area other than the site of the affected organ.
The antidysrhythmic that is a calcium channel blocker is:
A) adenosine B) atropine C) lidocaine D) verapamil
Instrumental activities of daily living are:
A. bathing and hygienic skills. B. eating skills. C. skills used to function independently. D. reading and writing.
Thirst, pallor, tachycardia and a thready pulse are all found in which stage of shock?
a. decompensated b. compensated c. irreversible d. hemorrhagic