ATI RN
ATI Nursing Care of Children 2019 B
1. Which electrolyte imbalance is a common concern in children with severe diarrhea?
- A. Hypernatremia
- B. Hypokalemia
- C. Hypercalcemia
- D. Hypomagnesemia
Correct answer: B
Rationale: Hypokalemia is the correct answer because it is a common concern in children with severe diarrhea. Diarrhea can lead to significant potassium loss, resulting in hypokalemia. Hypernatremia (Choice A) is less common in diarrhea as sodium concentration is usually diluted by the fluid loss. Hypercalcemia (Choice C) is not typically associated with severe diarrhea. Hypomagnesemia (Choice D) can occur but is not as common as hypokalemia in this scenario.
2. The nurse is caring for an adolescent who has just started dialysis. The child always seems angry, hostile, or depressed. The nurse should recognize that this is most likely related to what underlying cause?
- A. Physiologic manifestations of renal disease
- B. The fact that adolescents have few coping mechanisms
- C. Neurologic manifestations that occur with dialysis
- D. Resentment of the control and enforced dependence imposed by dialysis
Correct answer: D
Rationale: Adolescents may feel anger and depression due to the loss of independence and control over their lives, which is imposed by the need for regular dialysis treatments. This reaction is common as they struggle with the restrictions placed on their social and personal lives.
3. What is a classic sign of congenital hypothyroidism in newborns?
- A. Jaundice
- B. Hypothermia
- C. Prolonged jaundice
- D. Excessive crying
Correct answer: C
Rationale: Prolonged jaundice is a classic sign of congenital hypothyroidism in newborns. In congenital hypothyroidism, the thyroid gland does not produce enough thyroid hormones, leading to symptoms like jaundice, poor feeding, constipation, and lethargy. While jaundice itself is a common condition in newborns, the term 'prolonged jaundice' specifically points towards the underlying thyroid issue. Hypothermia and excessive crying are not typically associated with congenital hypothyroidism.
4. Physiologically, the child compensates for fluid volume losses by which mechanism?
- A. Inhibition of aldosterone secretion
- B. Hemoconcentration to reduce cardiac workload
- C. Fluid shift from interstitial space to intravascular space
- D. Vasodilation of peripheral arterioles to increase perfusion
Correct answer: C
Rationale: In response to dehydration, the body compensates by shifting fluids from the interstitial spaces to the intravascular space to maintain blood pressure and perfusion to vital organs. Hemoconcentration and vasoconstriction are other compensatory mechanisms but are less immediate.
5. Which of the following is the best indicator of a child's nutritional status?
- A. Weight
- B. Height
- C. Head circumference
- D. Mid-upper arm circumference
Correct answer: D
Rationale: Mid-upper arm circumference is a good indicator of muscle mass and fat stores, reflecting a child's nutritional status. It is particularly useful in assessing malnutrition, as it is less affected by fluid retention or dehydration compared to other anthropometric measurements. Weight can fluctuate due to factors like hydration status, making it less reliable as a sole indicator of nutritional status. Height reflects growth but may not directly indicate current nutritional status. Head circumference is more related to brain growth and development rather than overall nutritional status.
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