Human Circulatory System and Heart Physiology
Casual Mode - Take your time!
1 / 9
Correct
0
Incorrect
0
Score
0%
Multiple Choice
Which of the following statements regarding the innervation of the human heart is false?
- Afferent fibres carrying pain sensation run to the spinal cord.
- During rest, the vagal tone is recessive.
- Postganglionic fibres descend to the heart and form two plexuses.
- The effects of autonomic nervous system on coronary artery and blood flow are reciprocal.
- Preganglionic sympathetic fibres ascend from the upper five thoracic segments of the spinal cord.