A nurse is preparing to collect a sputum specimen from a client. Which of the following actions should the nurse take?

A. Clean gloves (not sterile) are sufficient for collecting a sputum sample. B. The best time to collect a sputum specimen is immediately upon waking because secretions accumulate overnight, making it easier to obtain a sample. C. Waiting a day delays diagnosis and treatment; other techniques can help induce sputum production. D. Typically, 5 to 10 mL of sputum is sufficient for diagnostic testing.