An Older Adult Is Scheduled for a CT Scan with Contrast.The

question 2

Multiple Choice

An older adult is scheduled for a CT scan with contrast.The nurse would anticipate preprocedure administration of which medication to help prevent renal damage?

• A)N-acetylcysteine
• B)Vitamin B12
• C)Intravenous infusion of 5% dextrose
• D)Vitamin D

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Definitions:

Mental Resources

Cognitive capabilities and energy available to a person for logic, problem-solving, and the processing of information.

Attended Stimuli

Refers to the specific stimuli that a person is consciously focusing on or paying attention to among all other possible stimuli in the environment.

Controlled Processing

The carrying out of a cognitive task with a deliberate allocation of cognitive resources. Typically, controlled processing occurs on difficult and/or unfamiliar tasks requiring attention and is under conscious control.

Routine Tasks

Repetitive and predictable activities that require minimal cognitive effort to complete.