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a and p - 1 When a doctor uses a stethoscope what is being...

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1. When a doctor uses a stethoscope, what is being monitored? a) The sound made by the electricity spreading through the heart. b) The sound made by the vibration of the heart and blood as pumping occurs. c) The sound made by the contractile molecules of the muscles of the heart as they contract. d) None of the above. 2. Which of the following conditions can cause irregularities in the sound of the heart? 3. What is a murmur? Doctor's Question Based on your examination, what do you conclude? 1. How are the echocardiography images made? a) An X-ray machine takes a series of pictures and the results are then displayed with a computer. b) Images are built by scanning the interior of the heart with a powerful fiberoptic device. c) Images are compiled from ultrasound reflected from the heart tissue. d) Images are obtained using radar. 2. What do orange and blue colors on the blood represent in Doppler echo images?
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a) The colors indicate whether the blood is moving toward or away from the probe. b) Orange represents oxygenated blood, blue de-oxygenated blood. c) The colors have no meaning; they are used to visualize the blood.
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