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Comp > Spinal Anat > Flashcards

Spinal Anat Flashcards

1
Q

Which nerve passes posterior to the medial epicondyle of the humerus?

A

Ulnar

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2
Q

Which nerve roots form the lumbosacral trunk?

A

L4, L5

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3
Q

Which crainal nerve innervates the muscles of mastication?

A

Trigeminal

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4
Q

The lamina of Rexed (spinal lamina of the gray matter) that collectively form the posterior horn of the spinal cord are?

A

I-VI

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5
Q

When CSF is withdrawn by lumbar puncture, which structure will not be penetrated by the needle?

A

Pia mater

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6
Q

The cerebellum is an outgrowth of which embryonic brain vesicle?

A

Metencephalon

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7
Q

Where are the cell bodies of the neurons that send secretomotor axons to the lacrimal gland?

A

Pterydopalatine ganglion

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8
Q

What bundles of fibers conncet broca’s area to wernicke’s?

A

Arcuate fibers

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9
Q

Where is the spiral organ (or corti) located?

A

Cochlear duct

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10
Q

Which of the following is NOT a muscle of the levator ani?

A

Ischiococcygeus

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11
Q

The anterior fontanel corresponds to which of the following landmarks of the skull?

A

Bregma

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12
Q

Which statement best describes a false rib?

A

Ribs that articulate with the sternum indirectly via the costal cartilage of rib 7

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13
Q

Which method of bone formation develops directly from mesenchyme?

A

Intramembranous ossification

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14
Q

What is the primary movement at the atlanto-axial joint?

A

Rotation

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15
Q

Which ligament forms the ant border of the vertebral canal?

A

Posterior longitudinal

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16
Q

The Mandibular division of the trigeminal nerve passes through the?

A

Foramen ovale

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17
Q

Which muscle has a superior attachment to the mamillary process of the lumbar vertebra

A

Multifidus

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18
Q

Fibers extending from which spinal cord sympathetic ganglia levels contribute to the greater splanchnic nerve

A

T5-T9

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19
Q

Which nerve innervates the posterior digastric muscle?

A

Facial

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20
Q

The intervertebral discs are classified as which type of joint?

A

Diarthrosis

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21
Q

Which is an attachment for the splenius capitis muscle?

A

Mastoid process

22
Q

A typical cervical vertebrae has ____ primary and ____ secondary cents of ossification.

A

3 and 5

23
Q

The vertebral canal is circular and smallest in which Region?

A

Thoracic

24
Q

Which 2 bones form the clivus?

A

Sphenoid and Occipital

25
Q

Which thoracic vertebra contains only a single facet on each side for articulation with the Ribs?

A

T10

26
Q

Which is not transmitted through the foramen magnum?

A

Internal carotid artery

27
Q

The first intervertebral foramen is located between which bones?

A

Axis and C3

28
Q

Somites are derived from which germ cell layer?

A

Mesoderm

29
Q

Which muscle attaches to the mammillary process of the lumbar vertebrae?

A

Multifidus

30
Q

Which muscles constitute the deepest muscle fasciculi located in the groove between the spinous and transverese processes

A

Rotatores

31
Q

Which muscle is innervated by branches from the dorsal primary rami?

A

Splenius capitis

32
Q

Which muscle does not usually receive innervation from the C5 spinal nerve?

A

Latissimus dorsi

33
Q

What abdominal muscle originates from the pubic bone and inserts on Ribs #2-7?

A

Rectus abdominus

34
Q

Which rib articulates with teh sternal notch?

A

2nd

35
Q

What type of cartilage covers the articular surface of each superior and inferior articular process of the vertebrae?

A

Hyaline

36
Q

The medial surface of the lateral mass of the atlas has a tubercle for the attachment of the?

A

Transverse lig

37
Q

What ligament separates the greater sciatic foramen from the lesser sciatic foramen?

A

Sacrospinous

38
Q

Which joint is classified as a diarthrodial trochoid joint?

A

Median atlantoaxial joint

39
Q

Which is true of zygopophyseal joints in lumbar region?

A

They are innervated by posterior primary divisions (rami) of spinal nerves

40
Q

Which spinal cord tract carries unconscious proprioception?

A

Spinocerebellar

41
Q

Upper motor neuron lesions usually produce?

A

Spastic paralysis

42
Q

From which area are the cell of the sympathetic ganglia derived?

A

Neural crest

43
Q

The superior cerebellar peduncle is mainly composed of fibers arising from the?

A

Dentate nucleus

44
Q

The internal jugular vein drains which of the following?

A

Sigmoid sinus

45
Q

The sacral elements of the spinal cord may be crushed by a fracture of which vertebra?

A

L1

46
Q

Which cells produce myelin in the CNS?

A

Oligodendrocytes

47
Q

Damage to the radial nerve results in?

A

Loss of forearm extension

48
Q

Preganglionic para fibers of the oculomotor nerves synapse at which ganglion?

A

Ciliary

49
Q

Which muscle is not innervated by the femoral nerve

A

Adductor magnus

50
Q

The posterior chamber of the eye is located between the?

A

Iris and Lens

51
Q

The cell bodies of the oculomotor nerve are located within which part of the CNS?

A

Midbrain

Comp (12 decks)

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