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Week_3_BME_106_My group

# Week_3_BME_106_My group - 1 ,(increases 2 ,(increases 3...

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1. As the pressure in the left atrium increases, the volume in the left ventricle ______________ ( increases) 2. As the pressure in the left atrium increases, the pressure in the right atrium ______________ ( increases) 3. As the pressure in the left ventricle increases, the pressure in the aorta ______________ ( increases) 4. As the pressure in the left atrium increases, the volume in the left atrium ______________ ( decreases) 5. As the pressure in the left atrium increases, the pressure in the aorta ______________ ( un-effected) 1-3 Problems Deal With The Cardiac Cycle Graph. 1) With respect to the left ventricle volume, whats the name of the difference between the LVEDV and the LVESV? answer) The stroke volume 2)What is the maximum pressure the ventricular can sustain? a) 80 b)120 c)40 d)180 3)During systali explain the behavior of the pressure and the volume? 4)The parasympathetic activity _______ the heart rate and the sympathetic activity ________ the heart rate. 5)Increase in heart rate will_________ diastolic time? 1. ____________ stimulation causes an increased heart rate, and ____________ stimulation cause a decreased heart rate? Answer: Sympathetic, Parasympathetic 2. In the first .05 seconds of ventricular contraction, the pressure in the left ventricle ____________ and volume of the left ventricle ______________? Pressure increases, and volume stays the same. 3. Heart rate is primarily determined by? 4. The minimum and maximum pressure that is the left ventricle experiences is? a. min 65 mmHg and max 120 mmHg

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b. min 80 mmHg and max 120 mmHg c. min 0 mmHg and max 120 mmHg d. min 0 mmHg and max 80 mmHg 5. Suppose that the end-diastolic volume is 175 ml. and the end-systolic volume is 35 ml, what would the stroke volume be in ml? 1. The Area under the Graph of Pressure vs. Volume is?       - Work 2. When does the systolic pressure start?      - When diastolic pressure ends 3. Approximately how long is one heartbeat?     -  0.8 Sec 4. Approximately how many beats per minute does the heart cycle?     -  70 beats/sec 5. What is the general shape of the Normal Frank-Starling Curve?     -  Linear 1. Why is the left ventricular wall thicker than the right? There is more pressure in the left ventricle. 2. What is a T wave representative of? Ventricular repolarization 3. How high does the pressure go up in the left ventricle?
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