Oral care before collecting asputum specimeninvolves A. Brushing teeth.Before collecting a sputum specimen, it is important to ensure proper oral care to minimize the risk ofcontaminationand obtain an accurate result. Brushing teeth is an essential step in oral care as it helps remove any food particles, debris, or bacteria from the teeth and gums.Brushing teeth thoroughly using a toothbrush and toothpaste helps eliminate bacteria and other microorganisms present in theoral cavity. This reduces the chances of introducing these microorganisms into the sputum sample, which could lead to inaccurate test results.It is important to brush all surfaces of the teeth, including the front, back, and chewing surfaces, for at least two minutes. Using a toothbrush with soft bristles is recommended to preventgum damage.In addition to brushing teeth, other oral care practices such as using mouthwash, flossing, and rinsing with clear water can also be beneficial for maintaining oralhygiene. However, for the specific purpose of collecting a sputum specimen, brushing your teeth is the most crucial step. Hence, A is the correct option.You can learn more aboutsputum specimensat:brainly.com/question/33852686#SPJ11...

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