RN Nursing Care of Children Online Practice 2019 A

Correct Answer: A

Rationale: Hypernatremia typically presents with lethargy, oliguria, and intense thirst due to the body's attempt to conserve water. Apathy can also occur, but lethargy and thirst are more consistent indicators.

Correct Answer: D

Rationale: Conditions like oliguric renal failure, increased intracranial pressure, and mechanical ventilation significantly alter fluid requirements in children. These conditions either restrict fluid output or require careful fluid management to avoid worsening the condition.

Correct Answer: C

Rationale: The correct answer is C. Introducing iron-fortified cereal between 4 to 6 months of age is a recommended practice to prevent iron deficiency anemia in infants. Iron-fortified infant cereals are a good source of iron for infants. Choices A and B are incorrect because adding green leafy vegetables to low-iron formula and discontinuing vitamin C supplements do not directly address the prevention of iron deficiency anemia. Choice D is incorrect because cow's milk should be avoided before 12 months of age as it is low in iron and can lead to intestinal blood loss, increasing the risk of iron deficiency anemia.

Correct Answer: D

Rationale: The correct answer is D, Ritualism. Establishing routines like brushing teeth every night after dinner helps toddlers feel secure and in control. Choice A, Negativism, refers to a child's oppositional behavior. Choice B, Diversionary activity, involves redirecting attention to something else. Choice C, Critical play, does not relate to the scenario of establishing a routine for the toddler.

Correct Answer: C

Rationale: These symptoms are indicative of dehydration or water depletion, which is common in infants and can rapidly lead to severe consequences if not addressed promptly.