Which Priority Instruction or Precaution Does the Nurse Teach a Client

question 17

Multiple Choice

Which priority instruction or precaution does the nurse teach a client who is scheduled for a positron emission tomography scan of the brain?

• A) "Avoid caffeine-containing substances for 12 hours before the test."
• B) "Drink at least 3 liters of fluid during the 24 hours after the test."
• C) "Do not take your cardiac medication on the morning of the test."
• D) "Remove your dentures and any metal before the test begins."

---

Definitions:

Mental Representations

Internal cognitive symbols that represent external reality, which are used in the process of thinking and understanding the world.

Violation-of-Expectation

A method used in developmental psychology research to study infants' understanding of physical and social world by evaluating their reactions to surprising or unexpected events.

Stimulus

Something that causes a response in an organism, sensory system, or psychological process.

Physical Laws

The fundamental principles that describe the forces and properties of nature, governing the behavior of the physical universe.