Correct Answer: A

Rationale: The correct answer is A: Transition from fetal to neonatal breathing. The onset of breathing is the most immediate and critical physiologic change required for the transition to extrauterine life. Factors that interfere with this normal transition increase fetal asphyxia, which is a condition of hypoxemia, hypercapnia, and acidosis. While body temperature maintenance, stabilization of fluid and electrolytes, and closure of fetal shunts in the heart are crucial changes in the transition to extrauterine life, breathing and the exchange of oxygen for carbon dioxide must take precedence as they are essential for newborn survival.

Correct Answer: D

Rationale: Anticipatory guidance is the process of providing parents with information about expected developmental milestones and how to address common issues that may arise during different stages of their child's growth. This proactive approach helps parents prepare for and support their child's development. Holistic nursing (choice A) refers to a comprehensive and integrated approach to healthcare that considers the whole person. Evidence-based practice (choice B) involves making clinical decisions based on the best available evidence. Morbidity (choice C) refers to the prevalence of a disease in a population.

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: C

Rationale: Ensuring the dose does not exceed 15 mg/kg is critical to avoid overdose and potential liver damage. Retaking the temperature immediately or using cold compresses is not necessary, and placing a warm blanket could exacerbate the fever.

Correct Answer: A

Rationale: Decompensated shock is characterized by signs such as oliguria, confusion, pale extremities, hypotension, and a thready pulse. These indicate that the body is no longer able to maintain adequate circulation to vital organs.