A nurse is assessing a client who has a magnesium level of 4.4 mEq/L. Which of the following findings should the nurse expect?
Hypotension
Tachycardia
Muscle cramps
Hyperreflexia
None
None
The Correct Answer is A
A. Hypotension occurs because hypermagnesemia causes vasodilation, which lowers blood pressure. Magnesium acts as a smooth muscle relaxant, decreasing vascular resistance and contributing to hypotension. This is a common clinical finding when magnesium levels exceed the normal range.
B. Tachycardia is not expected with hypermagnesemia. Elevated magnesium levels depress the heart's electrical activity, leading to bradycardia (slow heart rate) instead of tachycardia.
C. Muscle cramps are typically associated with hypomagnesemia, which increases neuromuscular excitability. In hypermagnesemia, neuromuscular function is suppressed, leading to muscle weakness rather than cramps.
D. Hyperreflexia is a symptom of hypomagnesemia, not hypermagnesemia. In hypermagnesemia, neuromuscular activity is depressed, resulting in diminished or absent deep tendon reflexes
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. The examination light of the ophthalmoscope should be directed toward the client's eye, not the client's face.
B. When examining the left eye, the nurse should stand on the right side of the client to facilitate proper alignment of the ophthalmoscope with the client's eye.
C. Dimming the lights in the room may improve visualization of the client's internal eye
structures, but it is not typically necessary for ophthalmoscopic examination and may hinder the nurse's ability to assess the client effectively.
D. Placing the ophthalmoscope directly against the client's forehead would not facilitate proper examination of the internal eye structures and may cause discomfort to the client.
Correct Answer is D
Explanation
A. A metallic taste in the mouth is a common side effect of the contrast dye used in IV urography procedures and is not typically a cause for concern.
B. Abdominal fullness may occur due to the administration of fluids during the procedure and is not usually a priority finding unless it persists or is severe.
C. Feeling flushed and warm may be a transient reaction to the contrast dye and does not typically require immediate intervention unless accompanied by other symptoms.
D. Swollen lips could indicate an allergic reaction to the contrast dye, which can progress rapidly and potentially lead to a severe reaction such as anaphylaxis. This is the priority finding requiring immediate attention.
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