If the peak energy of the x-ray beam is 100 kVp, a protective lead apron must be the equivalent to at least which of the following measures?

a. 0.25-mm thickness of lead
b. 0.5-mm thickness of lead
c. 1.0-mm thickness of lead
d. 1.5-mm thickness of lead


a. 0.25-mm thickness of lead

Health Professions

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Which of the following is the most appropriate action when balancing a petty cash account?

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Which buttons may a user select from the Edit Diagnosis window to activate new diagnoses?

A. [New] B. [Lookup] C. [Find] D. Either [New] or [Lookup]

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One of the most common reasons for misleading associations is confounding.

Answer the following statement true (T) or false (F)

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A 35-year-old has never been immunized and is requesting immunizations. Which of the following schedules should be used?

a. Schedule A b. Schedule D c. Schedule C d. Schedule B

Health Professions