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Get Er Done > Spinal Anatomy > Flashcards

Spinal Anatomy Flashcards

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1
Q

Which nerve passes posterior to the emdial epiocondyle of the humerus?

A) Median
B) Ulnar
C) Radial
D) Axillary

A

.Ulnar

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2
Q

Which nerve roots form the lumbosacral trunk?

A) L5, S!
B) S2, S3
C) L4, L5
D) T12, L1

A

.L4, L5

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3
Q

WHich cranial nerve innervates the muscle of mastication?

A) Vagus
B) Facial
C) Vestibulocochlear
D) Trigeminal

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
B) VII - IX
C) II - X
D) I, II

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When CSF is withdrawn by lumbar puncture, which structure will not be penetrated by the needle?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
B) Dura Mater
C) Subarachnoid Space
D) Epidural Space

A

Pia Mater

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6
Q

The cerebellum is an outgrowth of which embryonic brain vesicle?

A) Prosencephalon
B) Mesencephalon
C) Metencephalon
D) Diencephalon

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) Inf. salvitory nucleus
B) Geniculate ganglion
C) Otic Ganglion
D) Pterygopalatine Ganglion

A

Pterygopalatine Ganglion

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8
Q

What bundles of fibers connect Broca’s area to Wernicke’s

A) Internal Capsule
B) Corpus Callosum
C) Sup. Longitudinal Fasciculus
D) arcuate fibers

A

arcuate fibers

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9
Q

Where is the spiural organ (of corti) located?

A) Cochlear Duct
B) Scala Tympani
C) Scala Vestibuli
D) helicotrema

A

.Cochlear Duct

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10
Q

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

A) Pubococcygeus
B) Iliococcygeus
C) Ischiococcygeus
D) Puborectalis

A

ischiococcygeous

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11
Q

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

A) Nasion
B) Lambda
C) Pterion
D) Bregma

A

Bregma

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12
Q

Which statement best describes a false rib?

A) RIbs that have a direct articulation with the sternum via their individual costal cartilages
B) Ribs that articulate with the sternum indirectly via the costal cartilage of rib 7
C) Ribs that do not articulate with the sternum at all
D) RIbs that do not articulate with the transverse process

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) Endochondral Ossification
B) Intramambranous Ossification
C) Hematopoiesis
D) Homeostasis

A

Intramambranous Ossification

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14
Q

What is primary movement at the atlanto-axial joint?

A) Flexion and extension
B) Lateral Flexion
C) Circumduction
D) Rotation

A

Rotation

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15
Q

Which ligament forms the anterior border of the vertebral canal?

A) Anterior longitudinal
B) Ligamentum flavum
C) Posterior Longitudinal
D) Interspinous

A

Posterior Longitudinal

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16
Q

the mandibular division of the trigeminal nerve passes trhough the :

A) Foramen Rotundum
B) Foramen ovale
C) Foramen Spinosum
D) Foramen Cecum

A

Foramen ovale

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17
Q

Which muscle has a superior attachment to teh mamillary process of the lumbar vertebrae?

A) Semispinalis
B) Iliocostalis
C) Rotatores
D) Multidfudus

A

Multidfudus

18
Q

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

A) T1 - L2
B) T5 - T9
C) T10 - T11
D) S2 - S4

A

T5 - T9

.

19
Q

Which nerve innervates the posterior digastric muscle?

A) First cervical nerve via Hypoglossal
B) N. to posterior digastric via ansa cervicalis
C) facial
D) Mandibular branch of trigeminal

A

facial

20
Q

the intervertebral discs are classified as which type of joint?

A) Synchondrosis
B) Syndesmosis
C) Diarthrosis
D) Symphisis

A

Symphisis

21
Q

Which muscle attaches to the TP of C1?

A) Rectus Capitis Posterior Major
B) Obliquus Capitis Inferior
C) Splenius Capitis
D) Longissimus Capitis

A

Obliquus Capitis Inferior

22
Q

A typical cervical vertebra has ___ primary and ___ secondary centers of ossification?

A) 2, 6
B) 3, 5
C) 5, 3
D) 6, 5

A

3, 5

23
Q

Which two bones form the clivus?

A) occipital and Temporal
B) Temporala nd Zygomatic
C) vomer and occipital
D) Sphenoid and Occipital

A

Sphenoid and Occipital

24
Q

Which ribs are attached to the sternum via costal cartilages?

A) 1-8
B) 2-4
C) 9, 10
D) 11, 12

A

2-4

25
Q

The superior surface of the dens and axis is where the __ ligament attaches

A) Apical odontoid Ligament
B) Transverse ligament
C) Alar odontoid Ligament
D) Cruciate Ligament

A

Apical odontoid Ligament

26
Q

The braina nd spinal cord arise from which germ cell layer?

A) Endoderm
B) Mesoderm
C) Ectoderm
D) Somatoderm

A

Ectoderm

27
Q

What muscle attaches to the anterior aspect of the sacrum?

A) Psoas Major
B) Piriformis
C) Quadratus Lumborum
D) External Abdominal oblique

A

Piriformis

28
Q

Facet joints are innervated by:

A) Anterior primayr rami
B) Lateral branches of th dorsal primary rami
C) Recurrent meningeal nerves
D) Medial branches of dorsal primary rami

A

Medial branches of dorsal primary rami

29
Q

Which ligament lines the posterior poriton of the spinal canal?

A) Ligamentum flava
B) Alar
C) Anterior Longitudinal
D) Posterior Longitudinal

A

Ligamentum flava

30
Q

Whats tructure forms the posterior border of the intervertebral foramen?

A) Facet joints
B) TPs
C) Lamina
D) Pedicle

A

Facet joints

31
Q

Whoch cranial opening does the abducens nerve pass through?

A) optic Canal
B) Inferior Orbital Fissure
C) Foramen Rotundum
D) Superior Orbital Fissure

A

Superior Orbital Fissure

32
Q

Whch spinal cord tract carries conscious proprioception?

A) Lateral spinothalamic
B) Spinocerebellar
C) Ventral Spinothalamic
D) Posterior Columns

A

Posterior Columns

33
Q

Lower motor neuron lesions usually produce:

A) Spastic Paralysis
B) Flaccid Paralysis
C) Pathological Reflexes
D) Hyperactive reflexes

A

Flaccid Paralysis

34
Q

The thoracic splanchnic nerves contain which type of fibers?

A) Sympathetic preganglionic
B) Somatosensory
C) Parasympathetic Preganglionic
D) parasympathetic Postganglionic

A

Sympathetic preganglionic

35
Q

The thalamus is an outgrowth of which embryonic brain vessicle?

A) Metencephalon
B) Diencephalon
C) Telencephalon
D) Mesencephalon

A

Diencephalon

36
Q

Which dural venous sinus does not drain directly into the confluence of sinuses?

A) Superior Sagittal
B) Occipital
C) Straight
D) Superior Petrosal

A

Superior Petrosal

37
Q

Damage to teh ulnar nerve results in ___

A) Dropped wrist
B) Claw hand
C) Ape hand
D) Benediction hand

A

Claw hand

38
Q

Preganglionic parasympathetic fibers of the facial nerve synapse at whioch ganglion?

A) Submandibular
B) Otic
C) Ciliary
D) Celiac

A

Submandibular

39
Q

Which muscle is not innervated by the obturator nerve?

A) Gracilis
B) Adductor Longus
C) Pectineus
D) Rectus Femoris

A

Rectus Femoris

40
Q

Which area is located between the cornea and pupil?

A) Vitreous chamber
B) Anterior chamber
C) Posterior Chamber
D) Ocular Chamber

A

Anterior chamber

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