11. CP Neurology Flashcards

1
Q

Where are the four primary restriction points of the esophagus?

A

At the…

Cricopharyngeus muscle

Arch of the aorta

Left main bronchus

Passage of the esophagus through the diaphragm

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2
Q

What major nerve does the left recurrent laryngeal nerve come off of?

A

The left vagus nerve

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3
Q

What nerve contributes to the anterior vagal trunk?

A

Left vagus nerve

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4
Q

What nerve contributes to the posterior vagal trunk?

A

Right vagus nerve

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5
Q

What three cervical nerves supply the phrenic nerve?

A

C3, C4, C5

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6
Q

Where will you find the phrenic nerve near to the heart?

A

Almost “buried in the heart.”

Between the fibrous pericardium and the mediastinal parietal pleura

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7
Q

What are the atypical intercostal nerves?

A

1-2

7-11

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8
Q

What are the three major branches of the intercostal nerves?

A

Lateral cutaneous branches

Muscular branches

Anterior cutaneous branches

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9
Q

Why does the anterior ramus of the 1st thoracic spinal nerve make an atypical intercostal nerve?

A

Because most of the 1st thoracic spinal nerve joins with the brachial plexus.

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10
Q

Why is the second intercostal nerve atypical?

A

Because it makes a cutaneous branch that joins with “a brachial component” to make the intercostobrachial nerve

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11
Q

Why are intercostal nerves 7-11 atypical?

A

As they run around the ribs, they continue past the ribs and become thoracoabdominal nerves

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12
Q

Where is the lateral horn of the spinal cord found?

A

T1-L2

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13
Q

What do we call a presynaptic nerve fiber heading to a prevertebral ganglion?

A

A Splanchnic nerve

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14
Q

What are the five major divisions of the parasympathetic element of the vagus nerve in the thorax?

A

Superior cardiac branch

Middle cardiac branch

Inferior cardiac branch

Pulmonary branches

Esophageal branches

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15
Q

What are the sympathetic and parasympathetic contributions to the:

Pulmonary plexus

A

Sympathetic: Pulmonary splanchnic nerves

Parasympathetic: Pulmonary branch of the vagus nerve

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16
Q

What are the sympathetic and parasympathetic contributions to the:

Superficial and Deep Cardiac Plexus

A

Sympathetic: Cardiac Splanchnic Nerves

Parasympathetic: Superior, Middle, and Inferior Cardiac branches of the vagus nerve.

17
Q

The aortic plexus has the same sympathetic and parasympathetic contribution as what other plexus?

A

The cardiac plexus

(Cardiac splanchnic nerves / Superior, middle, and inferior cardiac branches of the vagus nerve.)

18
Q

What are the sympathetic and parasympathetic contributions to the:

Esophageal Plexus

A

Sympathetic: Greater splanchnic nerve

Parasympathetic: Esophageal branches of the vagus nerve