The Sensory Super Highway Challenge 1

Which sensory modalities are transmitted via the DCML system?"

• Pain and temperature
  

• Fine touch and proprioception

• Balance and coordination

• Crude touch and pressure

Which structure in the spinal cord contains sensory fibers for fine touch from the lower limbs?

• Fasciculus cuneatus

• Fasciculus gracilis

• Lateral corticospinal tract

• Spinothalamic tract

• Dorsal root ganglia

Among the following, which is the location of the dorsal column medial lemniscus tract?

• A

• B

• C

• D

Which statement is related to the second order neuron in the dorsal column?

• A type of unipolar neuron.

• Decussates in the spinal cord.

• Receives impulses from the receptor.

• Transmits impulses to the cerebral cortex.

What is the pathway for conscious proprioception impulses from the upper trunk?

• A

• B

• C

• D

When the foot is touched, the sensation of touch travels to the brain through which structure?

• A

• B

• C

• D

Which tract is responsible for transmitting pain and temperature sensations?

• Spinocerebellar tract

• Lateral spinothalamic tract

• Medial lemniscus tract

• Corticospinal tract

which tract carries proprioceptive sensory information from the upper limbs to the brain?

• fasciculus gracilis (medial part of dorsal column)

• spinothalamic tract

• fasciculus cuneatus (lateral part of dorsal column)

• anterior corticospinal tract

Which part of the brain processes fine touch and proprioception?

• Thalamus

• Cerebellum

• Medulla oblongata

• Primary somatosensory cortex

What is the primary function of the fasciculus cuneatus?

• Transmit pain and temperature from the lower body

• Transmit fine touch and proprioception from the upper body

• Transmit balance information to the cerebellum

• Transmit motor signals to the limbs