To assess a client’s pupillary reaction to accommodation, which action should the nurse take?
Observe pupil size when focusing on a near object and then a far object.
Determine if dilation of the pupils occurs when the room is darkened.
Note the speed of pupil constriction when a penlight is shined into the eye.
Compare the shape of each of the pupils bilaterally with normal room light.
The Correct Answer is A
Choice A rationale
Observing pupil size when focusing on a near object and then a far object assesses the accommodation reflex. This reflex involves the pupils constricting when focusing on a near object and dilating when focusing on a far object. This response is mediated by the parasympathetic nervous system and is a normal physiological reaction to changes in focal distance.
Choice B rationale
Determining if dilation of the pupils occurs when the room is darkened assesses the pupillary light reflex, not accommodation. The pupillary light reflex involves the pupils dilating in low light conditions to allow more light to enter the eye, which is controlled by the sympathetic nervous system.
Choice C rationale
Noting the speed of pupil constriction when a penlight is shined into the eye assesses the direct and consensual light reflexes. This test evaluates the function of the optic and oculomotor nerves and is not related to the accommodation reflex.
Choice D rationale
Comparing the shape of each of the pupils bilaterally with normal room light assesses for anisocoria or differences in pupil size, which can indicate neurological issues. This assessment does not evaluate the accommodation reflex.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Asking specifically about alcohol, marijuana, cocaine, heroin, and amounts provides a clear and direct approach to obtaining accurate information about the client’s substance use. This method helps in identifying potential health risks and planning appropriate care.
Choice B rationale
Using the term “illegal” or “illicit” to describe street drugs may cause the client to feel judged or defensive, which can hinder open communication. It is better to ask about specific substances directly.
Choice C rationale
Allowing the client to decline answering social questions may result in incomplete health history, which can affect the quality of care provided. It is important to encourage clients to share relevant information while ensuring confidentiality.
Choice D rationale
Obtaining a drug urine screen to verify the legitimacy of the client’s stated history is not an appropriate initial assessment technique. Trust and rapport should be established first through direct questioning.
Correct Answer is A
Explanation
Choice A rationale
Vesicular breath sounds are normal breath sounds heard over the peripheral lung fields. Hearing vesicular sounds in the bases of both lungs posteriorly indicates normal air movement in the lungs. Therefore, the nurse should continue with the remainder of the client’s physical assessment.
Choice B rationale
Reporting the client’s lung sounds to the healthcare provider is unnecessary because vesicular breath sounds are normal and do not indicate any abnormality.
Choice C rationale
Asking the client to cough and then auscultate at the site again is not required since vesicular breath sounds are normal and do not indicate any need for further immediate assessment.
Choice D rationale
Measuring the client’s oxygen saturation with a pulse oximeter is not necessary in this context because the vesicular breath sounds indicate normal lung function.
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