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Module Six > Muscles of the neck > Flashcards

Muscles of the neck Flashcards

1
Q

Name the four infrahyoid muscles

A

Sternohyoid, sternothyroid, thyrohyoid, omohyoid

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2
Q

What is the function of the suprahyoid muscles?

A

Contribute to chewing, swallowing and speech

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3
Q

What is the function of the infrahyoid muscles?

A

Swallowing and movement of the larynx. All except sternothyroid depress the hyoid.

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4
Q

Name the four suprahyoid muscles and the mnemonic to remember them

A

Mylohyoid, geniohyoid, stylohyoid, digastric

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5
Q

The anterior triangle of the neck can be separated into what smaller triangles?

A

Carotid triangle, muscular
triangle, submandibular triangle and submental triangle

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6
Q

The posterior triangle of the neck can be separated into what smaller triangles?

A

Occipital and subclavian

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7
Q

What is contained within the carotid sheath?

A

Common and internal carotid artery, internal jugular vein and vagus nerve.

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8
Q

What lies posterior to the carotid sheath?

A

Sympathetic trunk

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9
Q

What is the level of bifurcation of the common carotid artery?

A

C3/4

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10
Q

The external jugular vein is formed by what two veins near the angle of rami?

A

Retromandibular and posterior auricular veins

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11
Q

The external jugular vein crosses anterior to what muscle in the neck?

A

Sternacleidomastoid

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12
Q

What is the ansa cervicalis?

A

Nerve loop, originating from the cervical plexus, that supplies 3/4 infrahyoid muscles

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13
Q

What surface landmark is where the internal jugular and subclavian join to form the brachiocephalic vein?

A

Sternal end of the clavicle

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14
Q

What surface landmark can you use to identify the correct level for the bifurcation of the common carotid?

A

Superior border of the thyroid cartilage

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15
Q

The superior thyroid artery is a branch of what?

A

External carotid

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16
Q

The inferior thyroid artery is a branch of what?

A

Thyrocervical trunk (from the subclavian)

17
Q

Name the branches of the external carotid artery and the mnemonic

A

Superior thyroid, ascending pharyngeal, lingual, facial, occipital, posterior auricular, maxillary, superficial temporal.

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18
Q

What is the largest and most clinically relevant fascial space in the neck?

A

Retropharyngeal space

19
Q

Why do two different nerves innervate the digastric muscle?

A

The anterior belly originates from the 1st pharyngeal arch and the posterior from the 2nd.

20
Q

What is the nerve innervation to the digastric muscle?

A

Anterior = CNV3 (mandibular branch of trigeminal)
Posterior = CNVII (facial)

21
Q

The chorda tympani is a branch of what nerve?

A

Facial CNVII

22
Q
A

Module Six (2 decks)

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