RN Nursing Care of Children Online Practice 2019 A

Correct Answer: C

Rationale: The correct response is to let the parents know they are allowed to stay with the child. Allowing parents to stay with the child can help reduce the child's anxiety and provide comfort. Choice A is incorrect as the parents should be encouraged to stay with their child. Choice B is not the immediate response the nurse should provide. Choice D is inappropriate as it does not address the benefits and importance of parental presence for the child's well-being during hospitalization.

Correct Answer: A

Rationale: In the case of severe isotonic dehydration, the initial fluid of choice is 0.9% normal saline. This solution is preferred because it helps to restore both fluids and electrolytes effectively. Options B, C, and D are not suitable for the initial management of severe isotonic dehydration. D5 0.2% (1/4) normal saline (Choice B) is a hypotonic solution and might worsen the imbalance. D5W (Choice C) is a hypotonic solution that does not contain electrolytes essential for rehydration. Albumin (Choice D) is a colloid solution used for specific indications like hypoproteinemia or hypoalbuminemia, not for initial rehydration in severe dehydration.

Correct Answer: A

Rationale: Tachycardia is an early sign of shock as the body tries to maintain cardiac output in the face of declining circulatory volume. Blood pressure often remains normal until late in the progression, at which point decompensated shock is occurring.

Correct Answer: D

Rationale: Edema of the lips, tongue, and pharynx is a characteristic sign of corrosive poisoning, indicating damage to mucous membranes from ingestion of a caustic substance. Other symptoms may vary depending on the poison but are not as specific to corrosive ingestion.

Correct Answer: A

Rationale: Gently tapping over the site helps dilate the veins and increase visibility. Applying a cold compress or raising the extremity above the body level constricts the veins, making them harder to access. Prolonged tourniquet use can cause discomfort and venous congestion.