The standard unit of measure of an electrical current is which of the following?
a. Milliampere c. Ampere
b. Coulomb d. Volt
ANS: C
The standard unit of measurement of electrical current is the ampere (A), where 1A is equivalent to 6.25 ? 1018 electrons passing a point in 1 second. The term coulomb is used as a shorthand no-tation for 6.25 ? 1018 electrons. The standard unit of measurement for voltage is the volt (V). A milliampere is equal to 0.001 A.
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When checking for proper placement of an endotracheal tube in an adult patient on chest radio-graph, it is noted that the distal tip of the tube is 2 cm above the carina. Which of the following actions would you recommend?
a. Withdraw the tube by 2 to 3 cm (using tube markings as a guide). b. Withdraw the tube by 7 to 8 cm (using tube markings as a guide). c. Advance the tube by 2 to 3 cm (using tube markings as a guide). d. Advance the tube by 7 to 8 cm (using tube markings as a guide).
Which of the following agencies controls and regulates the dispensing of radiopharmaceuticals?
NRC NABP DEA FDA
When responding to an emergency scene, it is MOST important to:
A) proceed in a manner that is timely and safe. B) moderately exceed the speed limit when possible. C) stay at least 10' behind any cars in front of you. D) use your siren to move heavy traffic out of the way.
Scheduling several patients in the first half hour with the second half of the hour is left open is known as the:
A. wave method. B. matrix method. C. buffer method. D. cluster method. E. double-booking method.