she dia Indicate on diagram Opening & closing of valves and name the valves. How
ID: 3510337 • Letter: S
Question
she dia Indicate on diagram Opening & closing of valves and name the valves. How can you tell blood ejection occurred on the solid line, dotted line and dashed line? Indicate with an "X" when the ventricular muscle begins to repolarize What keeps the peak from going further up? Circle the place that gives you the first indication of venous return. With great care, draw in the ECG trace at the top What causes the "heart beat" sounds? Indicate where they occur? What must occur before blood ejection? How is it achieved? What causes the 'hump' of the dotted line to the right and to left of "a"? what is the relationship between "b" and “e"? what is the relationship between "d" and “f"? What is the blood pressure of this person Indicate with a small box, the 1st place you see evidence of blood returning to the heart. a. b. c. 140 d. e. f. g. 110 Aorta h. i. j. k. 1. m. L. Vent. 50 L. Atrial 155 TIMEExplanation / Answer
a) a. Mitral valve closes b.aortic valve opens, c)aortic valve closes, d)mitral valve opens.
b) We can tell blood ejection occurred on that lines because of increase in pressure and decrease in ventricular volume as seen on the graph given in question.
c) Ventricular muscle begins to depolarise on point (a) given in the question.
d) Decrease in ventricular volume keeps the peak going further up because blood in verticles generate tension in ventricular muscle to contraction and repolarization. When there is no blood in ventricle, there will be not any contraction.
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