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Neuroanatomy 1 > Exam 2 Review > Flashcards

Exam 2 Review Flashcards

1
Q

The axons that innervate the tunica media are _______ axons

A

GVE

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2
Q

The lateral spinothalamic tract is for transmitting info on _________?

A

pain and temp

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3
Q

Which of the following is true for a postganglionic neuron?
A) is the first part of the autonomic pathway
B) releases neurotransmitters at the effector
C) its axon leaves via cranial nerves
D) has large myelinated axons
E) has its cell body in the CNS (brain or spinal cord)

A

B) releases neurotransmitters at the effector

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4
Q

Cranial placodes are ….?

A

thickenings of neuroectoderm adjacent to neural crest

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5
Q

Lamellar corpuscles are often called ____________?

A

pacinian

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6
Q

The neural tube eventually becomes the __________?

A

brain and spinal cord

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7
Q

Visceral mechano and baroreceptors transmit to the CNS via

A

GVA

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8
Q

Which event below occurs first in development?
A) glia begin myelinating
B) cervical and cephalic flexures appear
C) ANS is formed
D) telencephalon enlarges and widens

A

B) cervical and cephalic flexures appear

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9
Q

The brain flexure which develops between the metencephalon and the myelencephalon is called the

A

pontine

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10
Q

The longitudinal groove along the inner surface of the developing spinal cord is the

A

sulcus limitans

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11
Q

Which process converts the bilaminar disc into the trilaminar embryonic disc consisting of ectoderm, mesoderm, and endoderm?

A

gastrulation

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12
Q

CSF is reabsorbed into dural sinuses via which mechanism?

A

through arachnoid villi

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13
Q

The subarachnoid space supplies CSF to the brain parenchyma by connecting with the ________________

A

perivascular space

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14
Q

Cisterns are ___________________

A

subarachnoid spaces

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15
Q

Which of the following connect the arachnoid mater to the pia mater?
A) arachnoid granulation
B) cisterns
C) arachnoid trabeculae
D) meningeal diverticula

A

C) arachnoid trabeculae

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16
Q

Within the 4th ventricle, the choroid plexus is located

A

over the inferior medullary velum

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17
Q

The median aperture from the 4th ventricle allows CSF to move into the ___________?

A

cisterna magna

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18
Q

Of the following, the structure most closely associated with the cerebellum is:
A) diencephalon
B) mesencephalon
C) telencephalon
D) metencephalon
E) myelencephalon

A

D) metencephalon

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19
Q

Tactile acuity can be measured by comparing the 2 point thresholds of different parts of the body. Which of these areas would you predict to have the highest acuity?
A) finger tip
B) big toe
C) forearm
D) palm of hand
E) scalp

A

A) finger tip

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20
Q

Which part of the lateral ventricle passes into the temporal lobe?

A

inferior horn

21
Q

Neural crest cells can differentiate into:

(give 2 things)

A

adrenal medulla and lens of the eye

there are more things in pp, but these are the easiest to remember

22
Q

Of the following, which developing neural vesicle will form the basal nuclei?

A

telencephalon

23
Q

The blood nerve barrier (BNB) is formed by

A

perineurium

24
Q

CSF within subarachnoid spaces can pass into the parenchyma of brain tissue by traveling along which of the following?
A) endoneurium
B) cisterns
C) perivascular spaces
D) arachnoid villi
E) dural sinuses

A

C) perivascular spaces

25
Q

Which of the following structures induces differentiation processes in the early embryo?
A) lens placode
B) primitive streak
C) somites
D) neural crest
E) notochord

A

E) notochord

26
Q

T/F: the composition of CSF is the same as plasma

A

false

27
Q

_________________ transmits pain and temp

A

free nerve endings

28
Q

Which primary vesicle will form the mature thalamus?

A

prosencephalon

29
Q

Which of the following terms would we use to describe an effector innervated by both the parasympathetic and sympathetic divisions?
A) reciprocal innervation
B) dual innervation
C) multi-autonomic output
D) pre-ganglionic stimulation

A

B) dual innervation

30
Q

Which of the following are ONLY found in glabrous skin?
A) hair follicle receptor
B) meissners
C) merkels
D) pacinian

A

B) meissners

31
Q

Pain and temp are transmitted from cutaneous receptors to the cortex via?

A

spinothalamic tract

32
Q

The corticospinal tract has many fibers that decussate/cross into the…

A

caudal medulla

33
Q

The primitive streak is

A

the site of involution of epiblast cells to form mesoderm

34
Q

An epidural hematoma would be located between which of the following?
A) dura and pia
B) cranial bone and dura
C) arachnoid and pia
D) dura and arachnoid
E) 2 layers of the dura

A

B) cranial bone and dura

35
Q

Which system has long preganglionic axons?
A) sympathetic
B) parasympathetic

A

B) parasympathetic

36
Q

UMNs are located in the motor cortex and the?

A

red nucleus

there are more locations in pp

37
Q

Which class of fiber innervates smooth muscle (clue: ANS)?

A

GVE

38
Q

Preganglionic fibers are classified as ____ fibers (ANS)

A

B

39
Q

In the sympathetic NS, ganglia are found?

A

cervical, thoracic, lumbar, and sacral

40
Q

Dural fold found curving under the cerebellum to the brainstem

A

falx cerebelli

41
Q

Paired passageways associated with the 4th ventricle

A

foramen of Luschka

42
Q

Which glial cell is associated with the choroid plexus?

A

ependymal cells

43
Q

A receptor for tension, stretch and distortion

A

ruffini

44
Q

A healthy typical human brain has ______ mL of CSF circulating at any given time

A

150

45
Q

Fine detailed or discriminative touch travels from the peripheral receptors to the cortex via which pathway?

A

posterior column DCML pathway

46
Q

Which class of axons would be used to bring info on hydrogen ions from viscera?

A

GVA

47
Q

Which sensory modality is transmitted the fastest?

A

proprioception

48
Q

Which part of the lateral ventricle passes into the occipital lobe?

A

posterior horn

Neuroanatomy 1 (22 decks)

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