Exam 3 with Answers 2005

Exam 3 with Answers 2005 - BME 301 Exam 3 April 28, 2005...

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BME 301 Name: Exam 3 April 28, 2005 The exam consists of 7 questions. Show all work to receive credit. Clearly organize your work and draw a box around your final answers. NEATNESS COUNTS! Good Luck! Problem 1 (5): Problem 2 (20): Problem 3 (15): Problem 4 (10): Problem 5 (15): Problem 6 (20): Problem 7 (15): Extra Credit (2): Total (100):
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1. What are the 3 steps it takes to become an organ donor as discussed in class? Which is the most important step and why? 1. Speak with your family about your decision to donate. 2. Sign a uniform donor card, and have two family members sign the card as witnesses 3. Carry the card in your wallet at all times. Speaking with your family is most important because in the event of death, health professionals will ask your family for consent to donate your organs regardless of what is on the card. 2. Cardiovascular Disease a. List THREE risk factors that put a patient at risk for developing cardiovascular disease (CVD)? tobacco use lack of physical activity inappropriate diet high blood pressure high serum cholesterol level b. List TWO screening techniques used to detect people who are at risk for developing CVD? Blood pressure test Serum (or blood) cholesterol level test Body Mass Index (BMI) c. What are the normal or desirable levels for these two tests? BP - <120/<80 Cholesterol - <200 BMI - 18.5-24.9 d. Is CVD of more concern in developing or developed countries? Why? Developed. Obesity, which leads to high blood pressure and other CV problems, and the consumption of animal products, which leads to high serum cholesterol levels, are more common in developed countries. Also, the life expectancy of people in developing countries is generally much shorter, so the CVD at-risk (older) population is much lower. Currently, CVD is the leading cause of death in the developed world. By 2010, it is expected to also be the leading cause of death in the developing world. e. If a person’s cardiac output is 5.5 L/minute at a heart rate of 75 beats/minute, what is the stroke volume in mL? How many seconds will it take for this person’s entire 4.9-Liter volume of blood to be pumped through the heart? CO = HR x SV SV = CO/HR = (5.5 L/minute) / (75 beats/minute) = 0.073 L = 73 mL per beat (4.9 L) / (5.5 L/minute) = 0.89 minutes = 53.5 seconds
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3. Consider the differences in regulation of drugs and dietary supplements. a. If I wish to market a new dietary supplement which I claim will improve immune function, am I obligated to provide scientific data to the FDA indicating that it is safe and/or effective before I can sell it? No. I can not lie on the label, claim it can cure a disease, or sell anything that is known to be unsafe, but I do not have to prove that it is safe or effective. b.
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Exam 3 with Answers 2005 - BME 301 Exam 3 April 28, 2005...

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