Neurology

Question 1

What are the 4 restriction points of the esophagus in order

Answer 1

Cricopharyngeus M.
Aortic Arch
L. Bronchus
Esophageal Hiatus

Question 2

Where does the phrenic N. Lie in the mediastinum

Answer 2

Between the mediastinal parietal pleura and the fibrous pericardium

Question 3

What does the phrenic N. Innervate

Answer 3

Sensory information from central diaphragm and mediastinal pleura and pericardium

Question 4

The intercostal N. Are what specifically

Answer 4

Anterior Rami

Question 5

What do collateral branches of intercostal N. Innervate

Answer 5

Intercostal M. Along with intercostal N.

Question 6

What does Lateral cutaneous Branches innervate

Answer 6

Skin of thoracic wall, T4-6 supply breast

Question 7

What do ANterior cutaneous branches innervate

Answer 7

Anterior aspect of thoracic wall

Question 8

What doe muscular branches innervate

Answer 8

Intercostal M.’s

Question 9

What does the intercostal brachial N. Supply

Answer 9

SubQ tissue of the axilla and skin

Question 10

Presynaptic fibers that enter the paravertebral ganglia and exit without synapsing travel in what

Answer 10

A splanchnic N.

Question 11

Define the thoracic sympathetic trunk

Answer 11

Paravertebral sympathetic ganglia with presynaptic sympathetic N. Fibers synapsing onto long postsynaptic N. Cell Bodies

Question 12

What N. Sends superficial fibers to the deep cardiac plexus

Answer 12

Cardiac splanchnic N.

Question 13

What N. Sends fibers to the pulmonary plexus

Answer 13

The pulmonary splanchnic N.

Question 14

What does the greater splanchnic N. Do

Answer 14

Sends fibers to the esophageal plexus and the celiac ganglion in the abdomen

Question 15

What does the lesser splanchnic N. Send fibers too

Answer 15

The superior mesenteric plexus

Question 16

Define the pulmonary plexus

Signals and their input

Answer 16

Sympathetic - pulmonary splanchnic N.

Parasympathetic - pulmonary branches of vagus N.

Innervates the lungs, bronchi, and pleura

Question 17

What N. Takes signals from chemoreceptors in pulmonary V. To SC

Answer 17

Parasympathetic branch of pulmonary plexus

Question 18

Define cardiac plexus

Input and location of signals

Answer 18

Sympathetic - cardiac splanchnic N.

Parasympathetic - superior, middle, and inferior cardiac branches of the Vagus N.

Question 19

What is the location of the superficial cardiac plexus

Answer 19

The anterior surface of the aorta

Question 20

What is the location fo the deep cardiac plexus

Answer 20

Anterior to the bifurcation of the trachea and posterior to the aortic arch

Question 21

Define the aortic plexus

Innervation and location

Answer 21

Sympathetic and parasympathetic continue with superficial cardiac plexus in the abdomen and feeds into the intermesenteric plexus

Question 22

Define the eophageal plexus

Input and location

Answer 22

Sympathetic and paraysmpathetic to esophagus