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2ND SEM NEUROANATOMY > [Recalls] Anuta's Nerve Fibers, Peripheral Nerves Etc. > Flashcards

[Recalls] Anuta's Nerve Fibers, Peripheral Nerves Etc. Flashcards

1
Q

This is a characterstic of dendrite rather than the axon:

A

Contains nissl bodies in the cytoplasm

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2
Q

This refers to the connections between nerve fibers

A

Synapses

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3
Q

This is not a glial cell

A

Melanocyte

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4
Q

This is not a characterstic of the myelinated nerve in the central nervous system

A

Produced by schwann cell

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5
Q

This is a characterstic of a type C fiber

A

Unmyelinated

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6
Q

Provides both motor and sensory innervation

A

As the schwann cells ages, the amount of cytoplasm in the myelin increases

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7
Q

This is not part of the peripheral nervous system

A

Spinal cord

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8
Q

The area of the spinal cord is the meeting place for the upper motor neuron and the lower motor neuron

A

Anterior horn

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9
Q

These are receptors for stretch

A

Ruffini corpuscles

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10
Q

This is not among the modalities of sensation

A

Equilibrium sense

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11
Q

This is not part of the reflex arc

A

Autonomic nerve

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12
Q

This refers to the segmental innervation of our skin by the spinal nerves

A

Dermatome

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13
Q

The most abundant neurotransmitter in the brain

A

Acetylcholine

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14
Q

The major inhibitor neurotransmitter in the brain

A

GABA

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15
Q

Major site of norepinephrine production

A

Locus ceruleus

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16
Q

Major site of acetycholine production

A

Locus ceruleus

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17
Q

Rate limiting step in the synthesis of catecholamines

A

Tyrosine hydroxylase

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18
Q

Classic neurotransmitters are removed from the synaptic cleft by all of the following except:

A

Irreversible binding with receptors

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19
Q

The main neurotransmitter of the sympathetic system is:

A

Norepinephrine

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20
Q

The following are monoamine transmitters except:

A

Glycine

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21
Q

All of the following are amino acids or amino-derived transmitters except:

A

Acetylcholine

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22
Q

NMDA receptor is involved in these 3 processes except:

A

Neuronal plasticity

23
Q

Provides supportive scaffolding for the CNS

A

Schwann cell

24
Q

Form myelin sheath in CNS

A

Ependymal cell

25
Q

Form myelin sheath in PNS

A

Astroglia

26
Q

Form macrophages

A

Oligodendrocytes

27
Q

Control volume, secretion and composition of CSF

A

Microglia

28
Q

Which level does the spinal cord of a child end?

A

L2-L3

29
Q

Formed by ventral and dorsal roots

A

Spinal roots

30
Q

Which among the following statement is not true?

A

The conus medullaris is a horse tail like a structure.

31
Q

Which among the following statements is not true?

A

The gray matter is located at the peripheral portion of the cord

32
Q

Which among the following is not true about the transition of impulse?

A

The delta type is a small fiber and transmits the impulse at a much slower rate.

33
Q

Which among the following is not true about the pain pathway?

A

The pain stimulus initially travels the descending tract prior to the ascending tract of the spinal cord.

34
Q

Which among the following chemicals in the brain inhibits pain?

A

Endorphins

35
Q

Which among the following is not true about the ascending tracts?

A

Wakefulness or alertness is a function of the anterior spinothalamic tract.

36
Q

Which among the following statements is not true about the ascending tracts?

A

The secondary neuron of the lateral spinothalamic tract direct scends to the ipsilateral cord and initially decussates at the brainstem to synapse with the secondary neuron.

37
Q

Which among the following is not true about the spinal nerve root?

A

A normal human being has a total of 30 spinal nerve roots.

38
Q

Which among the following is not true about the spinal nerve root?

A

Each anterior root has a dorsal root ganglion responsible for receiving pain at the nociceptors.

39
Q

On neurologic exam, both of the lower extremities were spastic and rigid. The reflexes were hyper-reactive and that clonus was positive. What could have been the injury in this case?

A

Lower motor neuron injury

40
Q

In the operating room, the surgical intern accidentally punctured the spinal cord leading to CSF leakage of about 30 cc. In your mind, this could have penetrated what structure?

A

Arachnoid mater

41
Q

Which is not true about the artery of adamkiewitz?

A

It also supplies the cervical spinal cord

42
Q

Which among the following is not under the control of the ANS?

A

Contraction of the skeletal muscles

43
Q

A patient was seen presenting with rhythmic plantar flexion of the ankle upon brisked ankle dorsiflexion. Which among the statements is not true?

A

This signifies a lower motor neuron development

44
Q

Which among the following statements is not true regarding the meninges?

A

The dura mater is a clear like, thin and delicate mater that is impermeable.

45
Q

Which among the ff is not true about the lumbar puncture?

A

The needle has to get down to the subdural space to extract the CSF

46
Q

Form myelin sheath in cns

A

Oligodendroglia

47
Q

Form myelin sheath in pns

A

Schwann cell

48
Q

For macrophages

A

Microglia

49
Q

Control volume, secretion and composition of csf

A

Ependyma

50
Q

Not a glial cell

A

Melanocyte

51
Q

This is not a characterstic of the myelinated nerve in the cns

A

Produced by schwann cell

52
Q

This describes myelin production

A

As the schwann cell ages, the amount of cytoplasm in the myelin increases

53
Q

This is not among the modalities of sensation.

A

Equilibrium sense

54
Q

This is not part of the reflex arc

A

Autonomic nerve

2ND SEM NEUROANATOMY (14 decks)

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