Human Physiology

Human Physiology

Human Physiology

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1. Define “systolic murmur” and give one example of a cause. Define
“diastolic murmur” and give one example of a cause.

2. Briefly characterize the relationship between the electrical events and the
mechanical events of the cardiac cycle
Electrical Events (conduction
system)

Mechanical Events (blood flow of heart)

1.
2.
3.
4.
5.

Inferior/ superior vena cava
1.
2.
3.
4.
5. pulmonary trunk
6. pulmonary veins
7.
8.
9.
10.
11. Aortic Trunk

3. Discuss heart sounds and the turbulence of blood flow. Found on page 382 of
your textbook.

4. Discuss the 4 phases of the cardiac cycle described on page 377 in your
textbook. (use your own words, or you will not receive points)
a. Ventricular filling
b. Isovolumetric contraction
c. Ventricular ejection
d. Isovolumetric relaxation

1. What is the difference between cardiac autorhythmic cells and cardiac
myocytes?

2. In your own words provide a definition of preload and afterload

3. Identify two effects of sympathetic stimulation on the heart
Please use the book that I will the picture for and make sure that you include the
resources on.

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