After finding a mass in the scrotum of a male patient the nurse provides the HCP with a flashlight and turns off the lights.Why did the nurse perform these actions?

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A simple noninvasive test called transillumination is used to determine if a mass is fluid filled or solid.With the room lights out,a flashlight is held behind the scrotum.If the mass is fluid,a red glow appears; if it is solid,it appears opaque.A.Identification of a varicocele is done by palpating the spermatic cord.B.D.A flashlight and darkened room are not needed for a digital rectal examination and prostate specific antigen blood test.

After Finding a Mass in the Scrotum of a Male