Neuro Practical Flashcards

1
Q

Ridge directly anterior to central sulcus

A

Motor Cortex (Precentral gyrus)

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2
Q

Ridge directly posterior to central sulcus

A

Somatosensory Cortex (Postcentral gyrus)

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3
Q

Groove separating the frontal and parietal lobes

A

Central sulcus

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4
Q

Groove separating frontal and parietal lobes from the temporal lobe

A

Sylvian Fissure (Lateral Sulcus)

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5
Q

Located adjacent to the motor cortex in the left frontal lobe

A

Broca’s Area

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6
Q

Located in the posterior portion of the left temporal lobe

A

Wernicke’s Area

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7
Q

Arachnoid mater + pia mater = ?

A

Leptomeninges

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8
Q

Extension of dura mater that separates the cerebral hemispheres

A

Falx Cerebri

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9
Q

Extension of dura mater that separates the cerebellum from the occipital lobes

A

Tortorium Cerebelli

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10
Q

Off of what artery does the Posterior Inferior Cerebellar Artery branch from?

A

Vertebral Artery

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11
Q

Off of what artery does the Anterior Inferior Cerebellar Artery branch from?

A

Basilar Artery

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12
Q

Off of what artery does the Superior Cerebellar Artery branch from?

A

Basilar Artery

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13
Q

Off of what artery does the Posterior Cerebral Artery branch from?

A

Basilar Artery

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14
Q

Off of what artery does the Anterior Cerebral Artery branch from?

A

Internal Carotid Artery

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15
Q

Off of what artery does the Middle Cerebral Artery branch from?

A

Internal Carotid Artery

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16
Q

Circulatory anastomosis that supplies blood to brain and surrounding structures

A

Circle of Willis

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17
Q

Off of what artery does the Vertebral Artery branch from?

A

Subclavian Artery

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18
Q

What does the basilar artery recline upon?

A

Clivus

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19
Q

What structure divides the cribiform platte?

A

Crista galli

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20
Q

Where does the Posterior Communicating Artery run from?

A

From the Middle Cerebral Artery to the Posterior Cerebral Artery

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21
Q

What is the pituitary stalk called?

A

Infundibulum

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22
Q

Tapered, lower end of the spinal cord

A

Conus medullaris

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23
Q

Delicate strand of fibrous tissue proceeding inferiorly from the conus medullaris

A

Filum terminale

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24
Q

Where does the conus medullaris occur?

A

L1-L2

25
Q

The filum terminale is a modification of ________ ___________

A

Pia mater

26
Q

A brain contusion that is football-shaped

A

Epidural Hematoma

27
Q

An epidural hematoma involves shearing of the ______________

A

Middle Meningeal Artery

28
Q

A brain contusion that is crescent-shaped

A

Subdural Hematoma

29
Q

A subdural hematoma involves shearing of the ______________

A

Bridging Veins

30
Q

Which arteries are involved in the compression of the Oculomotor Nerve?

A

Posterior Cerebral Artery

Superior Cerebellar Artery

31
Q

Failure of neural tube closure; limited to the region of the posterior

A

Myelomeningocele (biggest problem)

32
Q

What tissues are contained in a meningocele?

A

CNS, CSF (spinal cord and meninges), skin

33
Q

What is the underlying congenital bony defect in a meningocele?

A

Spina bifida

34
Q

What vertebrae is usually involved in a myelomeningocele?

A

L5/S1

35
Q

What structure in the cerebrum is essential in memory function?

A

Hippocampus

36
Q

One of the largest nuclei in the brain. Is depigmented in some neurodegenerative disorders?

A

Substantia Nigra

37
Q

Where are the substantia nigra located?

A

Midbrain

38
Q

The corticospinal tract is consolidated in the midbrain within what structures?

A

Peduncles

39
Q

The corticospinal tract is consolidated in the medulla within what structures?

A

Pyramids

40
Q

What lies directly under the falx cerebri?

A

Corpus callosum

41
Q

Which cranial nerve exits posteriorly from the brainstem?

A

The trochlear nerve

42
Q

Is the cauda equina composed of CNS or PNS?

A

PNS

43
Q

Where can the choroid plexus be located?

A

In the lateral and third ventricles

44
Q

What makes the walls of the third ventricle?

A

Thalamus

45
Q

What lies on top of the medulla

A

The vertebral arteries

46
Q

What is the thin membrane that separates the left and right lateral ventricles?

A

Septum pellucidum

47
Q

What does the Anterior Cerebral Artery supply?

A

Midline portions of the frontal lobe and some of the superior portion of the parietal lobe

48
Q

What does the Middle Cerebral Artery supply?

A

Portion of the frontal lobe, and the lateral portion of the parietal and temporal lobes

49
Q

What does the Posterior Cerebral Artery supply?

A

Occipital lobe, inferior part of the temporal lobe, thalamus, etc.

50
Q

Soft spots in an infant where the skull has not been fused

A

Fontanels

51
Q

What’s the name of the occipital suture?

A

Lambdoid suture

52
Q

Region where the frontal, parietal, temporal, and sphenoid join together. Located on side of skull

A

Pterion

53
Q

Groove in the skull that runs the same tract as the falx cerebri

A

Superior Sagittal Sinus

54
Q

Groove that that runs in an “S” shape along the back of the skull, enters the jugular foramen and becomes the IJ

A

Sigmoid Sinus

55
Q

Which artery creates grooves on the interior of the skull? Located below the pterion

A

Middle Meningeal Artery

56
Q

Flow of CSF through the ventricles:

A

Lateral ventricles –> interventricular foramen –> third ventricle –> cerebral aqueduct –> fourth ventricle

57
Q

Gray matter in the cerebrum; next to the internal capsule

A

Basal ganglia

58
Q

Elongated ridges on the floor of each lateral ventricle

A

Hippocampus