A nurse documents that the client has a normal pupillary light reflex. The nurse should recognize that this reflex indicates which of the following?
The eyes converge to focus on the light.
The eye focuses the image in the center of the pupil.
Dilation of both pupils occurs in response to bright light.
Constriction of both pupils occurs in response to bright light.
The Correct Answer is D
A. The eyes converge to focus on the light.
This statement refers to the convergence reflex, where both eyes move medially (towards each other) to maintain single binocular vision when focusing on a near object. It is not related to the pupillary light reflex, which involves changes in pupil size in response to light.
B. The eye focuses the image in the center of the pupil.
This choice does not accurately describe the pupillary light reflex. The pupillary light reflex involves constriction of the pupil in response to light, not focusing an image in the center of the pupil.
C. Dilation of both pupils occurs in response to bright light.
This statement is incorrect. In response to bright light, the pupils should constrict, not dilate. Dilation of pupils in bright light could indicate an abnormal response, such as in cases of certain neurological conditions or drug use.
D. Constriction of both pupils occurs in response to bright light.
This choice is correct. In the pupillary light reflex, both pupils constrict when exposed to bright light. This response is a protective mechanism to prevent excessive light from entering the eyes, ensuring optimal visual acuity.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. The atria contract toward the end of diastole and push the remaining blood into the ventricles.
This choice is correct. During atrial systole (atrial contraction), the atria contract, pushing the remaining blood into the ventricles. This additional filling of the ventricles optimizes cardiac output.
B. The atria contract during systole and attempt to push against closed valves.
This statement is incorrect. The atria do not contract during systole; they contract during diastole (atrial systole) to fill the ventricles.
C. Atrial kick is the pressure exerted against the atria as the ventricles contract during systole.
This statement is incorrect. Atrial kick refers to the atrial contraction, not the pressure exerted against the atria.
D. Contraction of the atria at the beginning of diastole can be felt as a palpitation.
This statement is not entirely accurate. A palpitation is a sensation of rapid or strong heartbeat, which might be felt during various cardiac events, not specifically during atrial contraction at the beginning of diastole.
Correct Answer is B
Explanation
A. Inform the client that his breast enlargement is benign, and normal for a man of his age:
This choice is not appropriate because while gynecomastia can be benign, it should not be assumed without a proper medical evaluation. Gynecomastia can have various causes, including hormonal imbalances or underlying medical conditions. It's crucial to identify the cause through a medical assessment.
B. Explain that this condition may be the result of hormonal changes, and recommend that he see his physician:
This is the correct choice. Gynecomastia can indeed be caused by hormonal changes, but it can also be due to medications, certain health conditions, or hormonal imbalances. Therefore, the nurse should recommend a medical evaluation to determine the underlying cause and appropriate management.
C. Recommend that he alter his diet to include fewer fats and more lean proteins:
This choice is not relevant to gynecomastia. Gynecomastia is not typically caused by dietary factors, so altering the diet would not be a suitable response to this situation.
D. Explain that gynecomastia in men is usually associated with prostate enlargement and recommend that he be thoroughly screened:
This choice is incorrect. Gynecomastia is not directly associated with prostate enlargement. While both conditions can occur in older men, they are distinct medical issues. Screening for prostate enlargement is not indicated based solely on the presence of gynecomastia. Proper evaluation and assessment of each condition are necessary.
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