Final answer:
Medical assistants can perform physical examinations and provide first aid procedures, but they usually do not give medical advice or diagnose symptoms.
Explanation:
Performing a physical examination is within the scope of practice for a medical assistant. They are trained to collect data on individual patients by taking medical histories and conducting physical exams. Providing first aid procedures is also within their scope, as they can offer care before, during, and after various procedures. However, giving medical advice and diagnosing symptoms are not typically part of a medical assistant's responsibilities.
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