A nurse is reviewing the medical record of an adolescent and notes a calcium level of 11.4 mEq/L. Which of the following findings should the nurse expect?
Tachycardia
Diarrhea
Positive Chvostek's sign
Muscle hypotonicity
The Correct Answer is D
A. Tachycardia: Hypercalcemia is more likely to cause bradycardia (slow heart rate) due to its depressive effects on the cardiac muscle.
B. Diarrhea: Hypercalcemia typically leads to constipation, not diarrhea.
C. Positive Chvostek's sign: This is associated with hypocalcemia, not hypercalcemia.
D. Muscle hypotonicity: Hypercalcemia can lead to muscle weakness and hypotonicity due to its effects on nerve and muscle function.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Drink eight glasses of fluid daily: Maintaining hydration is crucial in preventing sickle cell crises as it helps to keep the blood less viscous, reducing the risk of vaso-occlusion.
B. Maintain an updated haemophilus influenza type B immunization: While staying up to date on vaccinations is important, it is not specific to preventing sickle cell crises.
C. Assume postural drainage positions every 6 hr: This is more relevant for respiratory conditions like cystic fibrosis, not sickle cell anemia.
D. Avoid playground activities at school: Regular activity is beneficial, but avoiding extreme physical exertion is more relevant. Normal playground activities can usually be continued with proper hydration and caution.
Correct Answer is D
Explanation
A. Place a warm, moist heat pack on the cast: Incorrect. Moisture can damage the integrity of a plaster cast, and heat can increase swelling.
B. Position the casted arm in a dependent position: Incorrect. Keeping the arm elevated helps reduce swelling and pain.
C. Move the casted arm with a firm grasp: Incorrect. A firm grasp can cause further injury or discomfort. It’s important to handle the casted limb gently.
D. Administer diphenhydramine to relieve itching: Correct. Itching is common under a new cast, and diphenhydramine can help manage this symptom without risking damage to the cast.
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