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1. The equilibrium potential for sodium is A. -90mv B. -95mv C. +60mv D. 0mv E.

ID: 3511160 • Letter: 1

Question

1. The equilibrium potential for sodium is A. -90mv B. -95mv C. +60mv D. 0mv E. None of the above
2. The intrinsic heart rate is equal to A. 80bpm B. 100bpm C. 40bpm D. None of the above
3. The SA node is located in which of the following locations? A. Posterior wall of the right atrium B. Anterior wall of the right atrium C. Posterior wall of the left ventricle D. Anterior wall of the left ventricle E. None of the above
4. Which of the following junctional proteins are located between cardiomyocytes? A. Tight junctions B. Gap junctions C. Desmosomes D. Hemidesmosomes E. None of the above
5. A fast fiber has how many refractory periods? A. 1 B. 2 C. 3 D. 4 E. 5
6. Because anatomy & physiology have different definitions, they are usually considered separately in studies of the body. True/False

1. The equilibrium potential for sodium is A. -90mv B. -95mv C. +60mv D. 0mv E. None of the above
2. The intrinsic heart rate is equal to A. 80bpm B. 100bpm C. 40bpm D. None of the above
3. The SA node is located in which of the following locations? A. Posterior wall of the right atrium B. Anterior wall of the right atrium C. Posterior wall of the left ventricle D. Anterior wall of the left ventricle E. None of the above
4. Which of the following junctional proteins are located between cardiomyocytes? A. Tight junctions B. Gap junctions C. Desmosomes D. Hemidesmosomes E. None of the above
5. A fast fiber has how many refractory periods? A. 1 B. 2 C. 3 D. 4 E. 5
6. Because anatomy & physiology have different definitions, they are usually considered separately in studies of the body. True/False

A. -90mv B. -95mv C. +60mv D. 0mv E. None of the above
2. The intrinsic heart rate is equal to A. 80bpm B. 100bpm C. 40bpm D. None of the above
3. The SA node is located in which of the following locations? A. Posterior wall of the right atrium B. Anterior wall of the right atrium C. Posterior wall of the left ventricle D. Anterior wall of the left ventricle E. None of the above
4. Which of the following junctional proteins are located between cardiomyocytes? A. Tight junctions B. Gap junctions C. Desmosomes D. Hemidesmosomes E. None of the above
5. A fast fiber has how many refractory periods? A. 1 B. 2 C. 3 D. 4 E. 5
6. Because anatomy & physiology have different definitions, they are usually considered separately in studies of the body. True/False

Explanation / Answer

1. A -90 mV

2. B. 100bpm (ranges from 80-120 mean 100)

3. B. anterior wall of the right atrium.

4. B. gap junctions (to facilitate nerve conduction)

5. B.2

6. true