A nurse is assessing a client who has a magnesium level of 4.4 mEq/L (1.3 to 2.1 mEq/L). Which of the following findings should the nurse expect?
Hypotension
Tachycardia
Muscle cramps
Hyperreflexia
The Correct Answer is A
A. Hypotension: Elevated magnesium levels cause smooth muscle relaxation and vasodilation, which can lead to hypotension. Severe hypermagnesemia can depress cardiovascular function, making low blood pressure a key expected finding.
B. Tachycardia: Hypermagnesemia typically causes bradycardia rather than tachycardia due to its depressant effect on cardiac conduction. Tachycardia is more often associated with hypovolemia, pain, or sympathetic stimulation, not high magnesium levels.
C. Muscle cramps: Muscle cramps and tetany are more commonly associated with hypomagnesemia. High magnesium levels have a neuromuscular depressant effect, leading to weakness rather than cramping.
D. Hyperreflexia: Hyperreflexia occurs with low magnesium levels. In hypermagnesemia, deep tendon reflexes are diminished or absent due to the depressant effect on neuromuscular transmission.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Educating the client how to cover nose and mouth with tissues when coughing: Covering the nose and mouth helps prevent airborne transmission of Mycobacterium tuberculosis. Proper disposal of tissues and hand hygiene further reduce the risk of spreading the infection to others.
B. Recommending the client may return to work after two negative sputum cultures: Returning to work should only be considered after the client is no longer contagious and cleared by the healthcare provider. This often requires multiple negative sputum cultures and clinical evaluation, not just a time-based recommendation.
C. Instructing the client that he is no longer contagious after 1 week of medication therapy: Clients with active TB are not automatically non-contagious after one week of therapy. Contagiousness decreases gradually, and adherence to medication and follow-up sputum tests determine when the client is safe to interact with others.
D. Teaching the client’s family to wear protective masks while with the client: Family members do not routinely need masks if proper airborne precautions are in place and the client is receiving treatment at home. Emphasis should be on client respiratory hygiene, ventilation, and adherence to treatment.
Correct Answer is A
Explanation
A. Meat and dairy products are eaten at separate times: Observant Jews following kosher dietary laws do not consume meat and dairy together. There are specific waiting periods between eating meat and dairy, and separate utensils and preparation areas are often used to maintain this separation. This practice is a central feature of kosher dietary observance.
B. Shellfish is commonly consumed in the diet: Shellfish, including shrimp, crab, and lobster, are considered non-kosher and are prohibited in a kosher diet. Observant Jewish clients would avoid these foods entirely.
C. Leavened bread may be eaten during Passover: During Passover, leavened bread and products containing yeast (chametz) are prohibited. Only unleavened bread, such as matzah, is permitted during the holiday, making leavened bread inappropriate.
D. Fasting from meat occurs during Hanukkah: Hanukkah is a festival of lights celebrated with specific traditions, including lighting the menorah and eating oil-based foods. It does not involve fasting from meat or other specific food restrictions, unlike other religious observances such as Yom Kippur or Tisha B’Av.
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