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Neuroanatomy and Pathophysiology of the Spinal Cord Quiz

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#1

Which of the following structures surrounds the spinal cord?

Dura mater
Explanation

Protective membrane covering the spinal cord.

#2

Which of the following is responsible for carrying sensory information towards the brain?

Dorsal roots
Explanation

Nerve roots transmitting sensory information.

#3

What is the function of the gray matter in the spinal cord?

Containing cell bodies of neurons
Explanation

Location of neuron cell bodies.

#4

Which of the following spinal cord regions innervates the muscles responsible for breathing?

Cervical region
Explanation

Region controlling respiratory muscles.

#5

Which of the following is NOT a function of the spinal cord?

Regulating heartbeat
Explanation

Not involved in cardiac function regulation.

#6

Which of the following spinal tracts is responsible for carrying proprioception information?

Dorsal column-medial lemniscal pathway
Explanation

Pathway for proprioceptive sensations.

#7

Damage to which area of the spinal cord may result in quadriplegia?

Cervical region
Explanation

Area of the spine controlling upper body.

#8

Which of the following neurotransmitters is primarily responsible for inhibitory neurotransmission in the spinal cord?

GABA (gamma-aminobutyric acid)
Explanation

Main inhibitory neurotransmitter in spinal cord.

#9

What is the function of the corticospinal tract?

Initiating voluntary motor movements
Explanation

Tract responsible for voluntary movement initiation.

#10

Which of the following spinal tracts is responsible for carrying crude touch and pressure sensation?

Spinothalamic tract
Explanation

Tract for touch and pressure sensation transmission.

#11

Which of the following conditions is characterized by the loss of motor function, proprioception, and sensation below the level of injury?

Anterior cord syndrome
Explanation

Syndrome causing loss of function below injury level.

#12

Which of the following conditions is characterized by degeneration of the lateral corticospinal tracts, leading to muscle weakness and spasticity?

Amyotrophic lateral sclerosis (ALS)
Explanation

Neurodegenerative disease causing muscle weakness.

#13

Which of the following conditions is characterized by damage to the ventral horn of the spinal cord, leading to weakness and atrophy of muscles?

Polio
Explanation

Viral disease causing muscle weakness.

#14

Damage to which area of the spinal cord may result in loss of voluntary motor function while preserving sensory function?

Brown-Séquard syndrome
Explanation

Syndrome causing motor loss but sensory preservation.

#15

Which of the following conditions involves demyelination of the spinal cord, leading to impaired motor and sensory function?

Multiple sclerosis (MS)
Explanation

Autoimmune disease causing spinal cord demyelination.

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