If the following series of numbers is written in the reverse order, which number will be the seventh to the right of the fourth number from the left? 1, 8,

3, 9, 7, 4, 10, 6, 2, 11, 13, 5, 14, 16

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#Question id: 11007

#7. System Physiology – Animal

A 25-year-old, well-conditioned athlete weighs 80 kg (176 lb). During maximal sympathetic stimulation, what is the plateau level of his cardiac output function curve?

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#Question id: 11008

#7. System Physiology – Animal

Which of the following events is associated with the first heart sound?

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#Question id: 11009

#7. System Physiology – Animal

What is the normal total delay of the cardiac impulse in the A-V node plus bundle?

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#Question id: 11010

#7. System Physiology – Animal

Which of the following best explains how sympathetic stimulation affects the heart?

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#Question id: 11011

#7. System Physiology – Animal

Which of the following conditions at the S-A node will cause heart rate to decrease?

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#Question id: 11012

#7. System Physiology – Animal

If the Purkinje fibers, situated distal to the A-V junction, become the pacemaker of the heart, what is the expected heart rate?