Man in hospital bed wearing oxygen mask over his mouth. "Nurse", he mumbles. "Are my testicles black"...? Nurse raises his gown, holds his penis in one hand an his testicles in the other, she takes a close look an says, "There's nothing wrong with them Sir"....
The Man pulls off the oxygen mask, smiles at her an says very slowly. "Thanks for that, it was lovely but listen very very carefully, "Are-my-test-re-sults-back"..?