Correct Answer: B

Rationale: Dietary modification is often the first step in managing chronic constipation in children, focusing on increasing fiber and fluid intake. Other interventions like bowel cleansing and toilet training may follow if dietary changes are insufficient.

Correct Answer: A

Rationale: The correct answer is A: Trust. According to Erikson's psychosocial development theory, when infants receive consistent and loving care, they develop trust. This trust forms the basis of the first stage of psychosocial development, known as Trust vs. Mistrust. Trust is essential for healthy social and emotional development. Choice B, Love, is incorrect as it is more of an emotion than a developmental stage. Choice C, Independence, typically occurs later in development during Erikson's Autonomy vs. Shame and Doubt stage. Choice D, Responsibility, is also not the correct answer as it relates more to later stages of development where individuals develop a sense of duty and obligation.

Correct Answer: C

Rationale: Water and sodium retention is a major complication in chronic renal failure, leading to hypertension and edema. Hypokalemia and metabolic alkalosis are less common, and while BUN levels rise, retention rather than excretion is problematic in chronic renal failure.

Correct Answer: D

Rationale: The correct answer is D. Preschool-age children often attribute illness to their actions, like yelling at a sibling or not following instructions. They may not understand medical causes such as exposure to infections like strep throat (choice A), dietary factors (choice B), or vitamin deficiencies (choice C). It is common for young children to connect symptoms to recent behaviors or events within their limited understanding.

Correct Answer: C

Rationale: Elevating the scrotum with a rolled washcloth helps reduce edema by promoting fluid drainage. Ice packs are not recommended due to the risk of frostbite, and warm moist packs are not typically used for this purpose. An upright position does not specifically address the edema.