Correct Answer: B

Rationale: Collagen is a key structural protein in bones and teeth, providing support and strength.

Correct Answer: D

Rationale: Plaque biofilm is the primary initiator of periodontal disease, as it harbors bacteria that can lead to inflammation and destruction of the periodontal tissues.

Correct Answer: C

Rationale: Effective nursing care involves comprehensive assessments that address all aspects of a patient's condition, ensuring that interventions are appropriately targeted and outcomes are optimized.

Correct Answer: A

Rationale: Minerals do not provide calories or energy; instead, they play various roles such as building strong bones and teeth, maintaining fluid balance, and supporting muscle contractions.

Correct Answer: C

Rationale: Effective nursing care involves comprehensive assessments that address all aspects of a patient's condition, ensuring that interventions are appropriately targeted and outcomes are optimized.