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Anatomy II > Lecture 13 (Exam 2) > Flashcards

Lecture 13 (Exam 2) Flashcards

1
Q

What are the bony articulations of the occipital bone that interact with the atlas?

A

Occipital condyles

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2
Q

The (ATLAS/AXIS) is superior to the (ATLAS/AXIS).

A

Atlas

Axis

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3
Q

This is the point of rotation for the head and is a component of the axis.

A

Dens (odontoid process)

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4
Q

What are the vertebral numbers for the atlas and axis?

A

C1

C2

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5
Q

List the ligaments of the vertebral column from anterior to posterior.

A

Anterior longitudinal ligament
Posterior longitudinal ligament
Ligamentum flavum
Ligamentum nuchae

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6
Q

What does ligamentum nuchae consist of?

A

Supraspinous ligament

Interspinous ligaments

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7
Q

Three synovial joints lie between the atlas and axis with no intervertebral disc. Where are these joints located?

A

1) Between dens and anterior arch of the atlas

2 & 3) Between lateral masses of atlas and axis

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8
Q

T/F. The atlas and axis contain an intervertebral disc between them.

A

False. There is no intervertebral disc between them.

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9
Q

T/F. The atlas and axis contain an intervertebral disc between them.

A

False. There is no intervertebral disc between them.

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10
Q

What are the ligaments of the atlas and axis?

A

Apical ligament
Alar ligaments
Cruciate ligaments
Tectorial membrane

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11
Q

What are the muscles of the suboccipital triangle?

A

Obliquus capitis superior
Obliquus capitis inferior
Rectus capitis posterior major
Rectus capitis posterior minor

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12
Q

This suboccipital triangle muscle is a weak extensor of the neck.

A

Obliquus capitis superior

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13
Q

This suboccipital triangle muscle is a strong rotator of the atlas.

A

Obliquus capitis inferior

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14
Q

These suboccipital triangle muscles are extenders of the vertebral column.

A

Rectus capitis posterior major

Rectus capitis posterior minor

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15
Q

What is the floor of the suboccipital triangle?

A

Posterior atlanto-occipital membrane

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16
Q

What is the roof of the suboccipital triangle?

A

Semispinalis capitis muscle

17
Q

What is the roof of the suboccipital triangle?

A

Semispinalis capitis muscle

18
Q

What are the contents of the suboccipital triangle?

A

Suboccipital nerve
Greater occipital nerve
Third occipital nerve
Vertebral artery

19
Q

This content of the suboccipital triangle is supplied by the dorsal ramus of C1. It has no sensory function and no dorsal root and is the motor to muscles of the suboccipital triangle.

A

Suboccipital nerve

20
Q

This content of the suboccipital triangle is supplied by the dorsal ramus of C2 and is sensory to the back of the skull.

A

Greater occipital nerve

21
Q

This content of the suboccipital triangle is supplied by the dorsal ramus of C3.

A

Third occipital nerve

Anatomy II (11 decks)

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