Prescriptive theories:

Correct Answer: D

Rationale: Prescriptive theories in nursing specify actions for specific situations, reflecting practice and addressing phenomena like pain management with concrete interventions (e.g., administer analgesics). Unlike descriptive theories, which only describe (e.g., pain's nature), or explanatory ones, which explain and predict (e.g., why pain occurs), prescriptive theories guide what nurses should do, offering practical direction. Explaining, relating, and predicting fit mid-range or grand theories, not prescriptive ones' narrow focus. Providing a broad framework suits grand theories (e.g., Orem's), not prescriptive specificity. Reflecting practice and addressing phenomena captures prescriptive theories' role bridging theory to actionable care, like protocols for patient symptoms, making this the most precise definition in nursing theory application.

Correct Answer: C

Rationale: Spreading feet apart creates a wide base of support, stabilizing the nurse's center of gravity when lifting a client from bed to chair. This enhances balance, reducing fall risk e.g., shoulder-width stance supports a 70-kg patient. Bending at the waist risks back strain, lacking leg leverage, and no base is specified. Facing the client, bending knees, and holding forearms uses proper mechanics but omits base width less explicit. Tightening pelvic muscles aids core strength, not base stability. A wide stance, per ergonomic principles, ensures safe transfer, protecting nurse and client, making it the essential action in this context.

Correct Answer: B

Rationale: One teaspoon equals 5 ml, so 5 teaspoons is 25 ml.

Correct Answer: A

Rationale: The Snellen chart tests vision, linked to the optic nerve (Cranial Nerve II).

Correct Answer: B

Rationale: The Romberg test assesses balance while standing with eyes open and closed.