Spinal Anatomy

Question 1

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

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

Answer 1

.Ulnar

Question 2

Which nerve roots form the lumbosacral trunk?

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

Answer 2

.L4, L5

Question 3

WHich cranial nerve innervates the muscle of mastication?

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

Answer 3

.Trigeminal

Question 4

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

Answer 4

I - VI

Question 5

When CSF is withdrawn by lumbar puncture, which structure will not be penetrated by the needle?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

Answer 5

Pia Mater

Question 6

The cerebellum is an outgrowth of which embryonic brain vesicle?

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

Answer 6

Metencephalon

Question 7

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

Answer 7

Pterygopalatine Ganglion

Question 8

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

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

Answer 8

arcuate fibers

Question 9

Where is the spiural organ (of corti) located?

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

Answer 9

.Cochlear Duct

Question 10

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

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

Answer 10

ischiococcygeous

Question 11

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

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

Answer 11

Bregma

Question 12

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

Answer 12

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

Question 13

Which method of bone formation develops directly from mesenchyme?

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

Answer 13

Intramambranous Ossification

Question 14

What is primary movement at the atlanto-axial joint?

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

Answer 14

Rotation

Question 15

Which ligament forms the anterior border of the vertebral canal?

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

Answer 15

Posterior Longitudinal

Question 16

the mandibular division of the trigeminal nerve passes trhough the :

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

Answer 16

Foramen ovale

Question 17

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

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

Answer 17

Multidfudus

Question 18

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

Answer 18

T5 - T9

.

Question 19

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

Answer 19

facial

Question 20

the intervertebral discs are classified as which type of joint?

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

Answer 20

Symphisis

Question 21

Which muscle attaches to the TP of C1?

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

Answer 21

Obliquus Capitis Inferior

Question 22

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

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

Answer 22

3, 5

Question 23

Which two bones form the clivus?

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

Answer 23

Sphenoid and Occipital

Question 24

Which ribs are attached to the sternum via costal cartilages?

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

Answer 24

2-4

Question 25

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

Answer 25

Apical odontoid Ligament

Question 26

The braina nd spinal cord arise from which germ cell layer? A) Endoderm B) Mesoderm C) Ectoderm D) Somatoderm

Answer 26

Ectoderm

Question 27

What muscle attaches to the anterior aspect of the sacrum? A) Psoas Major B) Piriformis C) Quadratus Lumborum D) External Abdominal oblique

Answer 27

Piriformis

Question 28

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

Answer 28

Medial branches of dorsal primary rami

Question 29

Which ligament lines the posterior poriton of the spinal canal? A) Ligamentum flava B) Alar C) Anterior Longitudinal D) Posterior Longitudinal

Answer 29

Ligamentum flava

Question 30

Whats tructure forms the posterior border of the intervertebral foramen? A) Facet joints B) TPs C) Lamina D) Pedicle

Answer 30

Facet joints

Question 31

Whoch cranial opening does the abducens nerve pass through? A) optic Canal B) Inferior Orbital Fissure C) Foramen Rotundum D) Superior Orbital Fissure

Answer 31

Superior Orbital Fissure

Question 32

Whch spinal cord tract carries conscious proprioception? A) Lateral spinothalamic B) Spinocerebellar C) Ventral Spinothalamic D) Posterior Columns

Answer 32

Posterior Columns

Question 33

Lower motor neuron lesions usually produce: A) Spastic Paralysis B) Flaccid Paralysis C) Pathological Reflexes D) Hyperactive reflexes

Answer 33

Flaccid Paralysis

Question 34

The thoracic splanchnic nerves contain which type of fibers? A) Sympathetic preganglionic B) Somatosensory C) Parasympathetic Preganglionic D) parasympathetic Postganglionic

Answer 34

Sympathetic preganglionic

Question 35

The thalamus is an outgrowth of which embryonic brain vessicle? A) Metencephalon B) Diencephalon C) Telencephalon D) Mesencephalon

Answer 35

Diencephalon

Question 36

Which dural venous sinus does not drain directly into the confluence of sinuses? A) Superior Sagittal B) Occipital C) Straight D) Superior Petrosal

Answer 36

Superior Petrosal

Question 37

Damage to teh ulnar nerve results in ___ A) Dropped wrist B) Claw hand C) Ape hand D) Benediction hand

Answer 37

Claw hand

Question 38

Preganglionic parasympathetic fibers of the facial nerve synapse at whioch ganglion? A) Submandibular B) Otic C) Ciliary D) Celiac

Answer 38

Submandibular

Question 39

Which muscle is not innervated by the obturator nerve? A) Gracilis B) Adductor Longus C) Pectineus D) Rectus Femoris

Answer 39

Rectus Femoris

Question 40

Which area is located between the cornea and pupil? A) Vitreous chamber B) Anterior chamber C) Posterior Chamber D) Ocular Chamber

Answer 40

Anterior chamber