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

Answer and Explanation

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

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Correct Answer is A

Explanation

A. Ventrogluteal - The ventrogluteal site is preferred for intramuscular injections in adults due to its proximity to large, deep muscles and minimal risk of injury to major nerves and blood vessels.

B. Dorsogluteal - The dorsogluteal site is not recommended for intramuscular injections due to the risk of injury to the sciatic nerve and superior gluteal artery.

C. Vastus lateralis - The vastus lateralis is a safe site for intramuscular injections, particularly in infants and young children.

D. Rectus femoris - The rectus femoris muscle is not typically used for intramuscular injections due to its superficial location and proximity to major blood vessels.

A. Edema B. Shortness of breath C. Petechiae D. Change in mental status

Correct Answer is A

Explanation

A. Edema is a common early sign of compartment syndrome as increased pressure within the compartment impairs venous outflow, leading to swelling.

B. Shortness of breath is not typically associated with compartment syndrome but may indicate other respiratory or cardiac issues.

C. Petechiae are not typically associated with compartment syndrome but may occur in conditions such as thrombocytopenia or coagulopathy.

D. Change in mental status is not typically associated with compartment syndrome but may indicate other neurological issues.

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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?

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