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6st Committee 2nd Class > Osman > Flashcards

Osman Flashcards

1
Q

Which of the following cells form the blood nerve barrier?

a) Fibroblast
b) Schwann cell
c) Satellite cell
d) Astrocyte
e) Perineurial cell

A

e) Perineurial cell

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2
Q

Which of the following statements regarding development of central nervous sytem is true?

a) Cerebrum is formed from the rhombic lips
b) Myelencephalon gives rise to cerebellum
c) Microglia arise from neuroepithelium
d) Marginal zone forms the gray matter of the spinal cord
e) Internal germinal layer gives rise to Purkinje cells

A

e) Internal germinal layer gives rise to Purkinje cells

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3
Q

In which layer of the cerebellar cortex is basket cell located?

a) Purkinje cell layer
b) Multiform layer
c) Molecular layer
d) Granular layer
e) White matter

A

c) Molecular layer

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4
Q

The cochlear duct is derived from which of the following?

a) Neural crest
b) Ectoderm
c) Mesoderm
d) Both ectoderm and mesoderm
e) Endoderm

A

b) Ectoderm

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5
Q

Which of the following cells in the inner ear are involved in detecting movements of the head?

a) Hair cells in the maculae
b) Pillar cells
c) Hair cells in the organ of Corti
d) Marginal cells
e) Phalangeal cells.

A

c) Hair cells in the organ of Corti

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6
Q

The dorsal root ganglion is derived from which of the following?

a) Ectoderm
b) Neuroectoderm
c) Neural crest
d) Endoderm
e) Mesoderm

A

c) Neural crest

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7
Q

Which of the following statements regarding ear is true?

a) Pinna is composed of irregular plates of fibrous cartilage covered by thin skin
b) Sebaceous glands are modified sweat glands that produce earwax
c) Outer hair cells are organized in a single row along the entire length of the cochlear duct
d) Vestibular membrane has zona arcuata and zona pectinata
e) Stria vascularis is composed of basal, intermediate, and marginal cells

A

e) Stria vascularis is composed of basal, intermediate, and marginal cells

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8
Q

In which layer of the cerebral neocortex is the internal band of Baillarger located?

a) External granular layer
b) Internal granular layer
c) Internal pyramidal layer
d) Multiform layer
e) Molecular layer

A

c) Internal pyramidal layer

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9
Q

With related to peripheral nervous system, which is true?

a) Endoneurium contains dense irregular connective tissue
b) Dorsal root ganglia house multipolar neurons

C) There are synapses within sensory ganglia

d) Epineurium includes loose connective tissue
e) Following nerve injury, Schwann cells phagocytose myelin debris

A

e) Following nerve injury, Schwann cells phagocytose myelin debris

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10
Q

White matter of the cerebral hemisphere is derived from which of the following?

A) Cortical plate
B) Subplate zone
C) Intermediate zone
D) Ventricular zone
E) Subventricular zone
A

C) Intermediate zone

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11
Q

Which of the following cells derived from neural crest cells ?

A) Purkinje cells
B) Schwann cells
C) Astrocyte
D) Ependymal cells
E) Oligodendrocyte
A

B) Schwann cells

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12
Q

With related to cerebral neocortex,which is false ?

A) Neocortex generally divided into 6 layers

B) Molecular layer is outermost layer

C) Multiform layer is innermost layer

D) External granular layer contains external band of Baillarger

E) Internal pyramidal layer contains large pyramidal neurons

A

D) External granular layer contains external band of Baillarger

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13
Q

Which of the following structure in the ear produces endolymph?

A) Stria vascularis
B) Cristae ampullaris
C) Basillar membrane
D) Organ of corti
E) Macula
A

A) Stria vascularis

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14
Q

Which of the following cells is not found in the Organ of Corti?

A) Inner hair cells
B) Outer hair cells
C) Phalangeal cells
D) Pillar cells
E) Marginal cells
A

E) Marginal cells

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15
Q

Semicircular ducts are derived from which of the following ?

A) From both ectoderm and mesoderm
B) Neural crest
C) Endoderm
D) Mesoderm
E) Ectoderm
A

E) Ectoderm

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16
Q

Which of the following is not found in the granular layer of cerebellar cortex?

A) Cerebellar glomerulus
B) Internal band of Baillarger
C) Purkinje cells
D) Basket cells
E) Pyramidal cells
A

A) Cerebellar glomerulus

17
Q

With realted to peripheral nervous system ,Which is false ?
A) Perineurium contributes to the formation of the blood-nerve barrier.
B) The endoneurium is loose connective tissue surrounding each axon.
C) The epineurium includes dense irregular connective tissue.
D) Autonomic ganglia houses pseudounipolar neurons.
E) There are no synapses within these sensory ganglia.

A

D) Autonomic ganglia houses pseudounipolar neurons.

18
Q

With related the ventral motor neurons (VMN) of the spinal cord, which is false?

A) VMN is called anterior horn cells.
B) VMN are large acidophilic cells.
C) VMN’s axon becomes a component of the spinal nerve.
D) VMN’s axon myelinated except at its origin and termination.
E) VMN’s axon innervate striated muscle.

A

B) VMN are large acidophilic cells

19
Q

In which layer of the cerebellum is cerebellar glomerulus located?

a) Purkinje cell layer
b) Molecular layer

C) White matter

d) Multiform layer
e) Granular layer

A

e) Granular layer

20
Q

Which of the following structures is derived from the metencephalon?

a) Tegmentum
b) Corpus striatum
c) Paleocortex
d) Cerebellum
e) Thalamus

A

d) Cerebellum

21
Q

Which of the following cells is not found in the organ of corti?

a) Marginal cells
b) Outer hair cells
c) Inner hair cells
d) Phalangeal cells
e) Pillar cells

A

a) Marginal cells

22
Q

Which of the following statements is true about the nervous system?

A) internal granular layer contains extenal band of Baillarger.

B) Molecular layer is inner layer of the cerebellar cortex.

C) Endoneurium contributes to the formation of the blood-nerve barrier.

D) Molecular layer contains cerebellar glomerulus.

E) Sensory ganglia house cell bodies of multipolar neurons.

A

A) internal granular layer contains extenal band of Baillarger.

23
Q

With related to nervous system development, which is true?

A) Rhombencephalon generates the cerebral cortex.

B) The basal plate becomes the dorsal horn the spinal. cord.

C) Mesencephalon forms the cerebellum.

D) Neural crest cells give rise to Pia and arachnoid.

E) Noggin, follistatin and chordin inhibit ectoderm to differentiate into neuroectoderm.

A

D) Neural crest cells give rise to Pia and arachnoid.

24
Q

Which of the following statements is correct about the ear?

A) Semicircular ducts are derived from ectoderm.

B) The epithelial lining of the auditory tube develop from ectodem.

C) Hair cells produces endolymph.

D) Cristae ampullaris are covered a gelatinous layer (otolithic membrane).

E) Outer hair cells are organized in a single row along the entire length of the cochlear duct.

A

A) Semicircular ducts are derived from ectoderm.

25
Q

The cerebellar glomerulus is a synaptic contact between the mossy fibers and ……………. in the cerebellar cortex. Choose a correct word to fill in the blank.

A) basket cells

B) Purkinje cells

C) granule cells

D) Renshaw cells

E) pyramidial cells

A

C) granule cells

26
Q

The development of the ganglion cells of the PNS involves the proliferation and migration of ganglion precursor cells from the —————— to their future ganglionic sites, where they undergo further proliferation. Choose correct words to fill in the blanks.

A) Dermatome

B) Myetome

C) Neural tube

D) Neural crest

E) Sclerotome

A

D) Neural crest

27
Q

……………………. are phagocytotic cells. They normally account for about 5% of all glial cells in the adult CNS but proliferate and become actively phagocytotic in regions of injury and disease. Choose correct words to fill in the blanks.

A) Radial glia

B) Oligodendrocytes

C) Astrocytes

D) Microglia

E) Betz’ giant pyramidal cells

A

D) Microglia

28
Q

Neurulation is the formation of the neural tube from the………….. of the embryo. The……….plates of the mantle layer forms e motor areas of the spinal cord. Choose a correct word to fill in the blank.

A) endoderm-basal

B) mesoderm-basal

C) ectoderm-basal

D) endoderm-alar

E) ectoderm-alar

A

C) ectoderm-basal

29
Q

Dorsal root ganglia is different from autonomic ganglia in a great number of ways. Whereas autonomic ganglia contain ………neurons and …….. synaptic connections, dorsal root ganglia contain…..neurons and …….synaptic connections in the ganglion. Choose a correct words to fill in the blanks.

A

multipolar-have-pseudounipolar-have no

30
Q

beyin gelişiminde primary brain vesicle ve secondary brain vesicle sırasıyla kaçar tanedir?

A

three/five

31
Q

88)yukarıdaki öncüllerden hangisi doğrudur?

only II - perineum serves as a metabolically active diffusion barrier that contributes to the formation of a blood-nerve barrier

A

only II - perineum serves as a metabolically active diffusion barrier that contributes to the formation of a blood-nerve barrier

32
Q

Hangisi doğru ?

only III —-the intermediate zone of the early neural tube forms the gray matter of the spinal cord

A

only III —-the intermediate zone of the early neural tube forms the gray matter of the spinal cord

33
Q

verilen öncüllerden hangisi ya da hangileri doğrudur?

Il-Eustachian tube is lined with ciliated pseudostratified columnar epithelium

III- The marginal cells, primarily involved in K+ transport, line the endolymphatic space of the scala media

A

Il-Eustachian tube is lined with ciliated pseudostratified columnar epithelium

III- The marginal cells, primarily involved in K+ transport, line the endolymphatic space of the scala media

34
Q

beyinde en büyük piramidal hücrelerin bulunduğu tabaka hangisidir?

internal pyramidal layer

A

internal pyramidal layer

35
Q

öncüllerden hangisi doğrudur?

I-The internal ear develops in week 4 from a thickening of the ectoderm called the opti placode

Il-The incus develops from Meckel cartilage derived from neural crest cells within pharyngeal arch 1.

A

I-The internal ear develops in week 4 from a thickening of the ectoderm called the opti placode

Il-The incus develops from Meckel cartilage derived from neural crest cells within pharyngeal arch 1.

6st Committee 2nd Class (6 decks)

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