Spinal Anatomy Flashcards
Which nerve passes posterior to the emdial epiocondyle of the humerus?
A) Median
B) Ulnar
C) Radial
D) Axillary
.Ulnar
Which nerve roots form the lumbosacral trunk?
A) L5, S!
B) S2, S3
C) L4, L5
D) T12, L1
.L4, L5
WHich cranial nerve innervates the muscle of mastication?
A) Vagus
B) Facial
C) Vestibulocochlear
D) Trigeminal
.Trigeminal
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
I - VI
When CSF is withdrawn by lumbar puncture, which structure will not be penetrated by the needle?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
Pia Mater
The cerebellum is an outgrowth of which embryonic brain vesicle?
A) Prosencephalon
B) Mesencephalon
C) Metencephalon
D) Diencephalon
Metencephalon
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
Pterygopalatine Ganglion
What bundles of fibers connect Broca’s area to Wernicke’s
A) Internal Capsule
B) Corpus Callosum
C) Sup. Longitudinal Fasciculus
D) arcuate fibers
arcuate fibers
Where is the spiural organ (of corti) located?
A) Cochlear Duct
B) Scala Tympani
C) Scala Vestibuli
D) helicotrema
.Cochlear Duct
Which of the following is NOT a muscle of the levator ani group?
A) Pubococcygeus
B) Iliococcygeus
C) Ischiococcygeus
D) Puborectalis
ischiococcygeous
The anterior fontanel corresponds to which of the following landmarks of the skull?
A) Nasion
B) Lambda
C) Pterion
D) Bregma
Bregma
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
Ribs that articulate with the sternum indirectly via the costal cartilage of rib 7
Which method of bone formation develops directly from mesenchyme?
A) Endochondral Ossification
B) Intramambranous Ossification
C) Hematopoiesis
D) Homeostasis
Intramambranous Ossification
What is primary movement at the atlanto-axial joint?
A) Flexion and extension
B) Lateral Flexion
C) Circumduction
D) Rotation
Rotation
Which ligament forms the anterior border of the vertebral canal?
A) Anterior longitudinal
B) Ligamentum flavum
C) Posterior Longitudinal
D) Interspinous
Posterior Longitudinal
the mandibular division of the trigeminal nerve passes trhough the :
A) Foramen Rotundum
B) Foramen ovale
C) Foramen Spinosum
D) Foramen Cecum
Foramen ovale
Which muscle has a superior attachment to teh mamillary process of the lumbar vertebrae?
A) Semispinalis
B) Iliocostalis
C) Rotatores
D) Multidfudus
Multidfudus
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
T5 - T9
.
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
facial
the intervertebral discs are classified as which type of joint?
A) Synchondrosis
B) Syndesmosis
C) Diarthrosis
D) Symphisis
Symphisis
Which muscle attaches to the TP of C1?
A) Rectus Capitis Posterior Major
B) Obliquus Capitis Inferior
C) Splenius Capitis
D) Longissimus Capitis
Obliquus Capitis Inferior
A typical cervical vertebra has ___ primary and ___ secondary centers of ossification?
A) 2, 6
B) 3, 5
C) 5, 3
D) 6, 5
3, 5
Which two bones form the clivus?
A) occipital and Temporal
B) Temporala nd Zygomatic
C) vomer and occipital
D) Sphenoid and Occipital
Sphenoid and Occipital
Which ribs are attached to the sternum via costal cartilages?
A) 1-8
B) 2-4
C) 9, 10
D) 11, 12
2-4
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
Apical odontoid Ligament
The braina nd spinal cord arise from which germ cell layer?
A) Endoderm
B) Mesoderm
C) Ectoderm
D) Somatoderm
Ectoderm
What muscle attaches to the anterior aspect of the sacrum?
A) Psoas Major
B) Piriformis
C) Quadratus Lumborum
D) External Abdominal oblique
Piriformis
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
Medial branches of dorsal primary rami
Which ligament lines the posterior poriton of the spinal canal?
A) Ligamentum flava
B) Alar
C) Anterior Longitudinal
D) Posterior Longitudinal
Ligamentum flava
Whats tructure forms the posterior border of the intervertebral foramen?
A) Facet joints
B) TPs
C) Lamina
D) Pedicle
Facet joints
Whoch cranial opening does the abducens nerve pass through?
A) optic Canal
B) Inferior Orbital Fissure
C) Foramen Rotundum
D) Superior Orbital Fissure
Superior Orbital Fissure
Whch spinal cord tract carries conscious proprioception?
A) Lateral spinothalamic
B) Spinocerebellar
C) Ventral Spinothalamic
D) Posterior Columns
Posterior Columns
Lower motor neuron lesions usually produce:
A) Spastic Paralysis
B) Flaccid Paralysis
C) Pathological Reflexes
D) Hyperactive reflexes
Flaccid Paralysis
The thoracic splanchnic nerves contain which type of fibers?
A) Sympathetic preganglionic
B) Somatosensory
C) Parasympathetic Preganglionic
D) parasympathetic Postganglionic
Sympathetic preganglionic
The thalamus is an outgrowth of which embryonic brain vessicle?
A) Metencephalon
B) Diencephalon
C) Telencephalon
D) Mesencephalon
Diencephalon
Which dural venous sinus does not drain directly into the confluence of sinuses?
A) Superior Sagittal
B) Occipital
C) Straight
D) Superior Petrosal
Superior Petrosal
Damage to teh ulnar nerve results in ___
A) Dropped wrist
B) Claw hand
C) Ape hand
D) Benediction hand
Claw hand
Preganglionic parasympathetic fibers of the facial nerve synapse at whioch ganglion?
A) Submandibular
B) Otic
C) Ciliary
D) Celiac
Submandibular
Which muscle is not innervated by the obturator nerve?
A) Gracilis
B) Adductor Longus
C) Pectineus
D) Rectus Femoris
Rectus Femoris
Which area is located between the cornea and pupil?
A) Vitreous chamber
B) Anterior chamber
C) Posterior Chamber
D) Ocular Chamber
Anterior chamber