Correct Answer: C

Rationale: Fluoridated water helps prevent caries, early childhood caries is preventable, and dental hygiene should start with the first tooth eruption.

Correct Answer: C

Rationale: The education and certification of nurses are key nursing-sensitive indicators that reflect the quality of care provided on the unit.

Correct Answer: C

Rationale: The correct answer is Conduction (choice C). Conduction heat loss occurs when the newborn's skin comes into direct contact with a cooler surface, so warming equipment helps prevent this. Choice A, Convection, is the transfer of heat through air or water currents, not direct contact. Choice B, Evaporation, is the loss of heat through moisture on the skin evaporating, not direct contact. Choice D, Radiation, is the transfer of heat in the form of waves or particles, not direct contact.

Correct Answer: C

Rationale: The sweat chloride test is the primary diagnostic test for cystic fibrosis. Cystic fibrosis is characterized by abnormal transport of chloride and sodium across epithelial cell membranes, leading to increased chloride in sweat. This test is crucial for diagnosing cystic fibrosis in suspected cases. Liver enzymes (Choice A), serum calcium (Choice B), and urine creatinine (Choice D) are not specific tests for cystic fibrosis and would not provide the necessary information for diagnosis in this case.

Correct Answer: D

Rationale: Research shows that the quality of parenting in homosexual families is equivalent to that in heterosexual families, and children thrive in nurturing environments provided by same-sex parents.