The nurse is planning to inspect a client's apical heart impulses. What should the nurse do to ensure an accurate assessment of this organ?

A. Assist the client to a standing position: While positioning can be important for various assessments, inspecting the apical impulse is best done with the client in a supine or left lateral position. Standing may not provide the best view or palpation for the apical impulse, which is usually assessed more accurately in a different position. B. Focus a penlight on the client's chest: A penlight alone may not provide sufficient illumination for detailed inspection of the apical impulse. It is more important to use appropriate lighting techniques to ensure a clear view of the heart's movements. C. Use tangential lighting: Tangential lighting is particularly useful for inspecting and palpating the apical impulse because it casts light across the surface, highlighting contours and movements. This type of lighting helps the nurse visualize the apical impulse more clearly by creating shadows that accentuate the impulse's presence and movements. D. Use perpendicular lighting: Perpendicular lighting might not be as effective in highlighting the subtle movements of the apical impulse. Tangential lighting is preferred because it creates shadows and contrasts that make the apical impulse more visible and easier to assess.