08. Regulation of Cardiac Activity
« Previous Topic: 07. Double Circulation Next Topic: 09. Disorders of Circulatory System »
Body fluids and circulation

278394 Which of the following statements is correct regarding neural regulation of cardiac activity?

1 The cardiac center lies in medulla oblongata of brain.
2 Sympathetic nerve fibers accelerate the rate of heartbeat and parasympathetic nerve fibres retard the rate of heartbeat.
3 Adrenal medullary hormones can also increase the cardiac output.
4 All of these.
NCERT Page-287 / N-202
Body fluids and circulation

278395 Sympathetic nervous system

1 controls heartbeat
2 increase heartbeat
3 decreases heartbeat
4 not related to heartbeat
NCERT Page-287 / N-202
Body fluids and circulation

278396 How do parasympathetic neural signals affect the working of the heart?

1 Reduce both heart rate and cardiac output.
2 Heart rate is increased without affecting the cardiac output.
3 Both heart rate and cardiac output increase.
4 Heart rate decreases but cardiac output increases.
NCERT Page-287 / N-202
Body fluids and circulation

278397 How do parasympathetic neural signals affect the working of the heart?

1 Reduce both heart rate and cardiac output.
2 Heart rate is increased without affecting the cardiac output.
3 Both heart rate and cardiac output increase.
4 Heart rate decreases but cardiac output increases.
NCERT Page-287 / N-202
NEET DIGITAL LIBRARY
Body fluids and circulation

278394 Which of the following statements is correct regarding neural regulation of cardiac activity?

1 The cardiac center lies in medulla oblongata of brain.
2 Sympathetic nerve fibers accelerate the rate of heartbeat and parasympathetic nerve fibres retard the rate of heartbeat.
3 Adrenal medullary hormones can also increase the cardiac output.
4 All of these.
NCERT Page-287 / N-202
Body fluids and circulation

278395 Sympathetic nervous system

1 controls heartbeat
2 increase heartbeat
3 decreases heartbeat
4 not related to heartbeat
NCERT Page-287 / N-202
Body fluids and circulation

278396 How do parasympathetic neural signals affect the working of the heart?

1 Reduce both heart rate and cardiac output.
2 Heart rate is increased without affecting the cardiac output.
3 Both heart rate and cardiac output increase.
4 Heart rate decreases but cardiac output increases.
NCERT Page-287 / N-202
Body fluids and circulation

278397 How do parasympathetic neural signals affect the working of the heart?

1 Reduce both heart rate and cardiac output.
2 Heart rate is increased without affecting the cardiac output.
3 Both heart rate and cardiac output increase.
4 Heart rate decreases but cardiac output increases.
NCERT Page-287 / N-202
Join With Us for More Updates
Body fluids and circulation

278394 Which of the following statements is correct regarding neural regulation of cardiac activity?

1 The cardiac center lies in medulla oblongata of brain.
2 Sympathetic nerve fibers accelerate the rate of heartbeat and parasympathetic nerve fibres retard the rate of heartbeat.
3 Adrenal medullary hormones can also increase the cardiac output.
4 All of these.
NCERT Page-287 / N-202
Body fluids and circulation

278395 Sympathetic nervous system

1 controls heartbeat
2 increase heartbeat
3 decreases heartbeat
4 not related to heartbeat
NCERT Page-287 / N-202
Body fluids and circulation

278396 How do parasympathetic neural signals affect the working of the heart?

1 Reduce both heart rate and cardiac output.
2 Heart rate is increased without affecting the cardiac output.
3 Both heart rate and cardiac output increase.
4 Heart rate decreases but cardiac output increases.
NCERT Page-287 / N-202
Body fluids and circulation

278397 How do parasympathetic neural signals affect the working of the heart?

1 Reduce both heart rate and cardiac output.
2 Heart rate is increased without affecting the cardiac output.
3 Both heart rate and cardiac output increase.
4 Heart rate decreases but cardiac output increases.
NCERT Page-287 / N-202
For More Updates join with Us
Body fluids and circulation

278394 Which of the following statements is correct regarding neural regulation of cardiac activity?

1 The cardiac center lies in medulla oblongata of brain.
2 Sympathetic nerve fibers accelerate the rate of heartbeat and parasympathetic nerve fibres retard the rate of heartbeat.
3 Adrenal medullary hormones can also increase the cardiac output.
4 All of these.
NCERT Page-287 / N-202
Body fluids and circulation

278395 Sympathetic nervous system

1 controls heartbeat
2 increase heartbeat
3 decreases heartbeat
4 not related to heartbeat
NCERT Page-287 / N-202
Body fluids and circulation

278396 How do parasympathetic neural signals affect the working of the heart?

1 Reduce both heart rate and cardiac output.
2 Heart rate is increased without affecting the cardiac output.
3 Both heart rate and cardiac output increase.
4 Heart rate decreases but cardiac output increases.
NCERT Page-287 / N-202
Body fluids and circulation

278397 How do parasympathetic neural signals affect the working of the heart?

1 Reduce both heart rate and cardiac output.
2 Heart rate is increased without affecting the cardiac output.
3 Both heart rate and cardiac output increase.
4 Heart rate decreases but cardiac output increases.
NCERT Page-287 / N-202
NEET DIGITAL LIBRARY