During the implementation part of standard nursing care, the following occurs:

Correct Answer: A

Rationale: Implementation (A) executes the care plan.

Correct Answer: B

Rationale: Green leafy vegetables (B) (high vitamin K) counteract warfarin.

Correct Answer: C

Rationale: Chest X-ray (C) diagnoses pneumothorax.

Correct Answer: A

Rationale: Carvedilol (A) (beta-blocker) requires pulse monitoring for bradycardia.

Correct Answer: C

Rationale: Dysuria (C) is a hallmark UTI symptom.