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.
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Related Questions
Correct Answer is D
Explanation
A. "I will provide low-fat meals for my child.": Children with cystic fibrosis need a high-calorie, high-fat diet to meet their increased energy needs and to help with growth and development due to malabsorption issues.
B. "I will restrict the amount of salt in my child's meals.": Children with cystic fibrosis tend to lose more salt through sweat and often require additional salt in their diet.
C. "I will put my child in daycare to ensure that she socializes with other children.": While socialization is important, children with cystic fibrosis are at higher risk for respiratory infections and should avoid environments where they are more likely to be exposed to pathogens.
D. "I will make sure my child washes her hands before eating.": Hand hygiene is crucial for preventing infections, which are a significant risk for children with cystic fibrosis due to their compromised lung function.
Correct Answer is C
Explanation
A. Supine: Lying on the back can limit lung expansion and is not the best position for a child with respiratory issues. It can contribute to atelectasis and does not facilitate effective breathing.
B. Prone: The prone position can improve oxygenation and ventilation, particularly in severe respiratory distress, but it may not be the most comfortable or practical for all patients, especially in a non-ICU setting.
C. Upright: Sitting upright or in a high Fowler's position is optimal for lung expansion. It facilitates easier breathing and helps the lungs expand more fully, allowing for better oxygenation.
D. Side-lying: Side-lying may be comfortable but does not provide as much benefit for lung expansion as the upright position. It is less effective in promoting maximal lung expansion compared to the upright position.
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