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Figure 18.1 Using Figure 18.1, match the following: -Atrioventricular (AV) bundle. A) E B) D C) B D) A E) C Figure 18.1 Using Figure 18.1, match the following: -Atrioventricular (AV) bundle.


A) E
B) D
C) B
D) A
E) C

F) All of the above
G) B) and E)

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What two important functions does the intrinsic cardiac conduction system perform?

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The important functions of the intrinsic...

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The left side of the heart pumps the same volume of blood as the right.

A) True
B) False

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A patient was admitted to the hospital with chest pains.On admission,his pulse was 110 and blood pressure was 96/64.According to his history,his normal pulse rate is usually between 80 and 88 and his blood pressure runs from 120/70 to 130/80.Explain why these changes in BP and HR occur.

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Increased heart rate (measured by taking...

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Why is oxygen so much more critical to the heart muscle than to skeletal muscles?

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Cardiac muscle cells are highly dependen...

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Match the following: -Atrioventricular (AV) valve with three flaps.


A) Aortic semilunar valve
B) Mitral (bicuspid) valve
C) Tricuspid valve
D) Pulmonary semilunar valve

E) A) and B)
F) All of the above

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The source of blood carried to capillaries in the myocardium would be the ________.


A) coronary arteries
B) coronary veins
C) coronary sinus
D) fossa ovalis

E) A) and B)
F) A) and C)

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