Heart: Innervation

Question 1

What does sympathetic innervation of the heart responsible for?

Answer 1

Increasing the heart rate and strength of contraction and dialates the coronary arteries

Question 2

Parasympathetic innervation fo the heart is responsible for what?

Answer 2

Decreasing of the heart rate and strength of contraction and constricts the coronary arteries

Question 3

Where does innervation of the heart come from?

Answer 3

The cardiac plexus

Question 4

Where is the superficial cardiac plexus located?

Answer 4

Beneath the arch of the aorta and anterior to the pulmonary trunk

Question 5

What is the location of the deep cardiac plexus?

Answer 5

posterior to the arch of the aorta

Question 6

Where does sympathetic innervation of the heart come from?

Answer 6

Through the cervical and thoracic cardiac nerves through the sympathetic trunk (T1-T4)

Question 7

Parasympathetic innervation of the heart comes from what?

Answer 7

Vagus Nerve (CN X)

Question 8

Where does sensory innervation of the heart come from?

Answer 8

Sympathetic branches of the vagus