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

Question 1

This is a characterstic of dendrite rather than the axon:

Answer 1

Contains nissl bodies in the cytoplasm

Question 2

This refers to the connections between nerve fibers

Answer 2

Synapses

Question 3

This is not a glial cell

Answer 3

Melanocyte

Question 4

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

Answer 4

Produced by schwann cell

Question 5

This is a characterstic of a type C fiber

Answer 5

Unmyelinated

Question 6

Provides both motor and sensory innervation

Answer 6

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

Question 7

This is not part of the peripheral nervous system

Answer 7

Spinal cord

Question 8

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

Answer 8

Anterior horn

Question 9

These are receptors for stretch

Answer 9

Ruffini corpuscles

Question 10

This is not among the modalities of sensation

Answer 10

Equilibrium sense

Question 11

This is not part of the reflex arc

Answer 11

Autonomic nerve

Question 12

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

Answer 12

Dermatome

Question 13

The most abundant neurotransmitter in the brain

Answer 13

Acetylcholine

Question 14

The major inhibitor neurotransmitter in the brain

Answer 14

GABA

Question 15

Major site of norepinephrine production

Answer 15

Locus ceruleus

Question 16

Major site of acetycholine production

Answer 16

Locus ceruleus

Question 17

Rate limiting step in the synthesis of catecholamines

Answer 17

Tyrosine hydroxylase

Question 18

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

Answer 18

Irreversible binding with receptors

Question 19

The main neurotransmitter of the sympathetic system is:

Answer 19

Norepinephrine

Question 20

The following are monoamine transmitters except:

Answer 20

Glycine

Question 21

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

Answer 21

Acetylcholine

Question 22

NMDA receptor is involved in these 3 processes except:

Answer 22

Neuronal plasticity

Question 23

Provides supportive scaffolding for the CNS

Answer 23

Schwann cell

Question 24

Form myelin sheath in CNS

Answer 24

Ependymal cell

Question 25

Form myelin sheath in PNS

Answer 25

Astroglia

Question 26

Form macrophages

Answer 26

Oligodendrocytes

Question 27

Control volume, secretion and composition of CSF

Answer 27

Microglia

Question 28

Which level does the spinal cord of a child end?

Answer 28

L2-L3

Question 29

Formed by ventral and dorsal roots

Answer 29

Spinal roots

Question 30

Which among the following statement is not true?

Answer 30

The conus medullaris is a horse tail like a structure.

Question 31

Which among the following statements is not true?

Answer 31

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

Question 32

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

Answer 32

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

Question 33

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

Answer 33

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

Question 34

Which among the following chemicals in the brain inhibits pain?

Answer 34

Endorphins

Question 35

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

Answer 35

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

Question 36

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

Answer 36

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.

Question 37

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

Answer 37

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

Question 38

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

Answer 38

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

Question 39

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?

Answer 39

Lower motor neuron injury

Question 40

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?

Answer 40

Arachnoid mater

Question 41

Which is not true about the artery of adamkiewitz?

Answer 41

It also supplies the cervical spinal cord

Question 42

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

Answer 42

Contraction of the skeletal muscles

Question 43

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

Answer 43

This signifies a lower motor neuron development

Question 44

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

Answer 44

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

Question 45

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

Answer 45

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

Question 46

Form myelin sheath in cns

Answer 46

Oligodendroglia

Question 47

Form myelin sheath in pns

Answer 47

Schwann cell

Question 48

For macrophages

Answer 48

Microglia

Question 49

Control volume, secretion and composition of csf

Answer 49

Ependyma

Question 50

Not a glial cell

Answer 50

Melanocyte

Question 51

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

Answer 51

Produced by schwann cell

Question 52

This describes myelin production

Answer 52

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

Question 53

This is not among the modalities of sensation.

Answer 53

Equilibrium sense

Question 54

This is not part of the reflex arc

Answer 54

Autonomic nerve