Where on the thoracic surface do you auscultate to the tricuspid, mitral (bicuspid), pulmonary, and aortic valves?

Intercostal space

Explanation:

The intercostal space of the thoracic surface is the area where there is auscultation to the tricuspid, mitral (bicuspid), pulmonary, and aortic valves.

The tricuspid is found in the fourth intercostal space, mitral (bicuspid) is found in the fifth intercostal space, pulmonary and aortic is found in the second intercostal space.

correct answer is a. and d.