| 1. Medical care has three
main elements: diagnosis of disease or injury, treatment of disease or injury,
and prevention of disease. 2. Serious ailments require diagnosis by an expert, who, in most cases, is a doctor. Doctors use three main types of "clues" in making a diagnosis:the patient’s case history, the doctor’ s physical examination of the patient, and the results of medical tests. Patients provide their own medical history by answering questions about their physical condition and past illnesses. Doctors use medical instruments, such as a stethoscope to listen to a patient’s heart and lungs, to perform a physical examination. Medical laboratories aid diagnosis by making chemical and microscopic tests on body fluids and tissues. A physician may also order tests that use X rays, sound waves or electric waves to detect disease by 更多"1. Medical care has three mai"的相关试题:我来回答: 提交
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