The physician ordered a sputum culture and sensitivity test for a client with an admitting diagnosis of pulmonary tuberculosis. The nurse will instruct the client to do which of the following in order to obtain the specimen for this test?

The sputum sample is collected early in the morning before the clients eat or drink anything. Instruct the client to rinse mouth with water, take a deep breath, and then cough deeply to produce a sample of sputum. Do not use mouthwash before collecting a sputum sample because it may contain antibacterial substances that could affect results.