Injury prevention is best approached by

Correct Answer: D

Rationale: Environmental modifications are highly effective in injury prevention by reducing hazards in the physical environment.

Correct Answer: D

Rationale: Milrinone is a phosphodiesterase inhibitor used in heart failure rather than as an inotropic agent in acute shock.

Correct Answer: D

Rationale: Cromolyn prevents mast cell degranulation, has no bronchodilator effects, and has a low incidence of adverse effects.

Correct Answer: C

Rationale: Epstein-Barr virus and other infections can cause non-IgE-mediated urticaria through immune complex formation and cytokine release.

Correct Answer: D

Rationale: Major depression includes core symptoms like weight changes, sleep disturbances, and dysphoric mood. All listed options are possible features of the disorder.