The nurse prepares to assess the patient's cranial nerves. Which tool is necessary to assess cranial nerve (CN) III (oculomotor)?

Otoscope

Penlight

Cotton ball

Lavender

Answer and Explanation

The Correct Answer is B

A. An otoscope is used to examine the ear canal and tympanic membrane, not to assess cranial nerve III. This tool is more relevant for assessing cranial nerve VIII (vestibulocochlear), which is responsible for hearing and balance.
B. A penlight is used to assess CN III (oculomotor) by evaluating the pupil's response to light and the ability to move the eye. This nerve controls most of the eye's movements, including constriction of the pupil in response to light.
C. A cotton ball is used to test the sensory function of cranial nerve V (trigeminal), which is responsible for facial sensation. It is not used for assessing CN III.
D. Lavender or other scents may be used to test CN I (olfactory), responsible for the sense of smell, but it is not related to CN III, which governs eye movements and pupil reactions.

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Correct Answer is A

Explanation

A. The initial assessment describes a state of confusion where the patient is awake but experiencing forgetfulness and difficulty following commands. The subsequent assessment indicates lethargy, as the patient is now sleepy and has slow responses, which aligns with the definitions of confusion and lethargy.
B. While confusion is present in the first assessment, stupor describes a state of near-unconsciousness, which does not match the second assessment.
C. Although lethargy is appropriate for the second assessment, obtunded refers to a state where the patient is less aware and has difficulty arousing, which is not accurately described here.
D. The first assessment indicates confusion, but the patient is not fully conscious as described in the second assessment, which does not align with this option.

A. pick up the implant with gloved hands and place it in bedside container. B. pick up the implant with long handled forceps and place it in a lead container. C. call for the rapid response team. D. call the radiation oncologist immediately.

Correct Answer is B

Explanation

A. Picking up the implant with gloved hands does not ensure safety and proper handling of a radioactive material, as gloves do not provide adequate protection against radiation exposure.
B. Using long-handled forceps to pick up the implant and placing it in a lead container is the correct action, as it minimizes radiation exposure to the nurse and ensures the safe containment of the radioactive source.
C. Calling for the rapid response team is unnecessary in this scenario; the situation requires immediate containment of the radioactive material rather than emergency medical intervention.
D. Calling the radiation oncologist is not the first action; while it is important to inform the physician afterward, the priority is to secure the radioactive implant properly to prevent exposure.

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The nurse prepares to assess the patient's cranial nerves. Which tool is necessary to assess cranial nerve (CN) III (oculomotor)?

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Naxlex Comprehensive Predictor Exams

Correct Answer is A

Explanation

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Correct Answer is B

Explanation

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