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Neuroscience > Class Polls > Flashcards

Class Polls Flashcards

1
Q

Which of the following is most likely grey matter?

a. cerebral peduncle
b. fasciculus gracilis
c. nucleus ambiguus
d. lateral lemniscus

A

c. nucleus ambiguus

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2
Q

Towards the center:

a. afferent
b. efferent

A

a. afferent

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3
Q

The spinal cord ends at vertebral level:

a. L1/L2
b. L4/L5
c. S1/S2
d. S4/S5

A

a. L1/L2

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4
Q

What region of the neuron propagates the signal through the myelin sheath towards the distal end of the neuron?

a. dendrite
b. soma
c. axon
d. terminal

A

c. axon

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5
Q

Glial cells send and receive nerve impulses.

a. true
b. false

A

b. false

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6
Q

Graded potential and action potentials are the same thing

a. true
b. false

A

b. false

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7
Q

Which cells retain mitotic competency?

a. neurons
b. glia

A

b. glia

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8
Q

Which peripheral nerve injury has the best chance of repair/regeneration?

a. neuropraxia
b. axonotmesis
c. neurotmesis

A

a. neuropraxia

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9
Q

Many graded potentials at various areas of the neuron can cause an action potential. This concept is known as…

a. single summation
b. spatial summation
c. temporal summation

A

b. spatial summation

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10
Q

Primary afferent cell bodies are located in the:

a. DRG
b. spinal cord
c. brainstem
d. depends on the tract

A

a. DRG

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11
Q

Which neuron decussates the nervous system?

a. 1st order
b. 2nd order
c. 3rd order

A

b. 2nd order

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12
Q

Which system is responsible for proprioception, vibration, and discriminatory touch?

a. DCML
b. STT

A

a. DCML

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13
Q

What is the fine, fractionated movement system also called?

a. anterior descending system
b. lateral corticospinal system

A

b. lateral corticospinal system

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14
Q

In general, motor axons for the postural movement system are found in the spinal cord ____ region.

a. lateral
b. posterior/dorsal
c. anterior/ventral

A

c. anterior/ventral

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15
Q

Where are the cell bodies for lower motor neurons found?

a. dorsal horn
b. ventral horn
c. dorsal funiculus
d. lateral funiculus

A

b. ventral horn

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16
Q

Damage to a lower motor neuron would case:

a. hyperreflexia
b. hyporeflexia
c. clonus
d. positive babinski

A

b. hyporeflexia

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17
Q

The stretch reflex only involves one synapse.

a. true
b. false

A

a. true

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18
Q

Why would hyperreflexia occur?

a. loss of tonic descending inhibitory pathways
b. loss of the monosynaptic stretch reflex
c. loss of the triple flexion reflex
d. loss of tonic ascending faciliatory pathways

A

a. loss of tonic descending inhibitory pathways

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19
Q

The diencephalon is comprised of ___ parts.

a. two
b. three
c. four

A

c. four

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20
Q

The largest part of the diencephalon is the:

a. epithalamus
b. thalamus
c. subthalamus
d. hypothalamus

A

b. thalamus

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21
Q

Basal ganglia are:

a. white matter
b. grey matter

A

b. grey matter

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22
Q

Branches of which vessel supply the cerebellum?

a. internal carotid
b. vertebrobasilar

A

b. vertebrobasilar

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23
Q

Which of the following is an output fiber of the cerebellum?

a. mossy
b. climbing
c. Purkinje

A

c. purkinje

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24
Q

The cerebellum has motor and non-motor functions.

a. true
b. fasle

A

a. true

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25
Q 
The lobe that contains the primary somatosensory cortex is called the:
A. Frontal lobe
B. Parietal lobe
C. Temporal lobe
D. Occipital lobe
A

B. Parietal lobe

26
Q

The left side of the brain is typically involved with language
A. True
B. False

A

A. True

27
Q

The right side of the brain is typically involved with spatial awareness.
A. True
B. False

A

A. True

28
Q

The frontal lobe, prefrontal cortex, is involved with planning and impulse control:
A. True
B. False

A

A. True

29
Q

In the motor homunculus, the lower limb representation is located:
A. On the lateral most part of cortex
B. Outer portion of the cortex beside the face representation
C. On the medial most portion of the cortex

A

C. On the medial most portion of cortex

30
Q 
The area that mediates emotion is called the:
A. Frontal area
B. Parietal area
C. Limbic area
D. Occipital area
A

C. Limbic area

31
Q

The type of movement that requires more direct cortico-motoneuronal projections is:
A. Gait
B. Precision grip
C. Power grip

A

B. Precision grip

32
Q

The anterior blood supply system involves the:
A. Internal carotid, MCA, and ACA
B. Vertebral artery, basilar artery, and PCA
C. Inguinal artery, femoral artery, and deep femoral artery

A

A. Internal carotid, MCA, and ACA

33
Q 
How many anterior spinal arteries are there? Posterior spinal arteries?
A. 2,2
B. 1,2
C. 2, 1
D. 1,1
A

B. 1,2

34
Q

Which type of stroke is more common?
A. Ischemic stroke
B. Hemorrhagic stroke

A

A. Ischemic stroke

35
Q

Which one is more dangerous?
A. Plaque
B. Embolus
C. Thrombus

A

B. Embolus

36
Q

Which one is statistically more deadly?
A. Hemorrhagic stroke
B. Transient ischemic attack
C. Ischemic stroke

A

A. Hemorrhagic stroke

37
Q 
Which one is most likely to lead to language deficits?
A. L ACA stroke
B. L MCA stroke
C. R ACA stroke
D. R MCA stroke
E. L PCA stroke
F. R PCA stroke
A

B. L MCA stroke

38
Q

Which cranial nerves are associated with the pons?
A. CNs 1,2,3,4
B. CNs 5,6,7,8
C. CNs 9,10,11,12

A

B. CNs 5,6,7,8

39
Q

Which cranial nerve is tested by swallowing?
A. 3
B. 7
C. 9

A

C. 9

40
Q

Which photoreceptor is responsible for visual acuity?
A. Rods
B. Cones

A

B. Cones

41
Q

Which photoreceptor is more numerous in the retina?
A. Rods
B. Cones

A

A. Rods

42
Q

Which cells form the optic nerve?
A. Bipolar retinal cells
B. Ganglion cells

A

B. Ganglion cells

43
Q 
A small retinal lesion causes:
A. A scotoma
B. Homomynous hemianopsia
C. Quadrant a posit
D. Bitemporal anopsia
A

A. A scotoma

44
Q 
A complete lesion of the optic tract causes:
A. A scotoma
B. Homomynous hemianopsia
C. Quadrant anopsia
D. Bitemporal anopsia
A

B. Homomynous hemianopsia

45
Q 
A lesion of the optic chiasm causes: 
A. A scotoma
B. Homomynous hemianopsia
C. Quadrant anopsia
D. Bitemporal anopsia
A

D. Bitemporal anopsia

46
Q

From superficial to deep, the inner ear goes…
A. Endolymph, perilymph, membranous labyrinth, bony labyrinth
B. Bony labyrinth, membranous labyrinth, endolymph, perilymph
C. Bony labyrinth, membranous labyrinth, perilymph, endolymph
D. Membranous labyrinth, bony labyrinth, perilymph, endolymph

A

C. Bony labyrinth, membranous labyrinth, perilymph, endolymph

47
Q

Hair cells are excited by the stereocilia deflecting:
A. Towards the kinocilium
B. Away from the kinocilium

A

A. Towards the kinocilium

48
Q

The ____ would respond to accelerating riding in a car, the ___ would respond to accelerating while riding in an elevator, and the ___ would respond to shaking your head “no”.
A. Saccule, utricle, horizontal semicircular canal
B. Horizontal semicircular canal, saccule, utricle
C. Utricle, saccule, horizontal semicircular canal

A

C. Utricle, saccule, horizontal semicircular canal

49
Q

Compared to other neural systems, the auditory system has:
A. More synapses on the way to the cortex
B. Less synapses on the way to the cortex

A

A. More synapses on the way to the cortex

50
Q

Performing a head perturbation of your patient in the horizontal plane is a form of testing the…
A. Vestibulo-Collic reflex
B. Vestibulo-spinal reflex
C. Vestibulo-occular reflex

A

C. Vestibulo-occular reflex

51
Q 
BPPV can occur when \_\_\_ break off the gelatinous membrane and become lodged where they shouldn’t be, in semicircular canals:
A. Labyrinth
B. Maculae
C. Crystal ampullae
D. Otoconia
E. Stapedius
F. Scarpa
A

D. Otoconia

52
Q

Unilateral spatial neglect is most likely to occur with damage to the:
A. Dominant left hemisphere
B. Non dominant right hemisphere

A

B. Non dominant right hemisphere

53
Q

Which structure is most associated with short term declarative memory?
A. Cerebellum
B. Hippocampus

A

B. Hippocampus

54
Q 
Impaired ability to recognize faces is called: 
A. Aphasia
B. Agnosia
C. Apraxia
D. Psosopagnosia
A

D. Psosopagnosia

55
Q

Aphasia is most likely to occur with damage to the:
A. Dominant left hemisphere
B. Nondominant right hemisphere

A

A. Dominant left hemisphere

56
Q 
What meningeal space is filled with cerebrospinal fluid?
A. Subdural
B. Subarachnoid
C. Epidural
D. Pia-cerebral
A

B. Subarachnoid

57
Q

CSF production rate is reliant on interventricular pressure.
A. True
B. False

A

B. False

58
Q

The terms pain and nociception mean the same thing.
A. True
B. False

A

B. False

59
Q

Chronic pain will always have associated tissue damage.
A. True
B. False

A

B. False

60
Q

Nociceptive pain means nociceptors (free nerve endings) are involved

A. True
B. False

A

A. True

Neuroscience (4 decks)

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