Neuroplasticity Practice Questions

Question 1

Moro's reflex persisting for more than 6 months indicates damage to which of the following lobes?

Accepted Answer

Frontal

Answer

Temporal

Answer

Occipital

Answer

Parietal

Question 2

Which tract is responsible for the loss of proprioception and fine touch?

Accepted Answer

Dorsal column

Answer

Anterior spinothalamic tract

Answer

Lateral spinothalamic tract

Answer

Corticospinal tract

Question 3

Bilateral ablation of which of the following structures results in the inability to form long-term memories?

Accepted Answer

Hippocampus

Answer

Amygdala

Answer

Cingulate gyrus

Answer

Hypothalamus

Question 4

The mechanism of hearing and memory, include all, EXCEPT:

Accepted Answer

Recruitment by multiplication of neurons

Answer

Spatial Reorganization of synapse

Answer

Changes in level of neurotransmitter at synapse

Answer

Increasing protein synthesis

Question 5

What do motor evoked potentials primarily assess?

Accepted Answer

Central motor pathways

Answer

Both central and peripheral motor pathways

Answer

Muscle regeneration

Answer

Peripheral motor pathways

Question 6

Berger waves (alpha waves) of EEG have a rhythm of how many Hz?

Accepted Answer

8-13 Hz

Answer

0-4 Hz

Answer

4-7 Hz

Answer

13-30 Hz

Question 7

Absolute refractoriness of a neuron is due to?

Accepted Answer

Inactivation of Na channels

Answer

Hyperpolarization of Cl channels

Answer

Opening of rectifier K+ channels

Answer

Closure of activated Na channels

Question 8

Which lipoprotein has the highest concentration of endogenous triglycerides?

Accepted Answer

VLDL (Very-low-density lipoprotein)

Answer

Chylomicrons

Answer

LDL (Low-density lipoprotein)

Answer

HDL (High-density lipoprotein)

Question 9

According to Herrington classification, decerebrate rigidity is characterized by all of the following EXCEPT:

Accepted Answer

Rigidity occurs in all muscles of the body.

Answer

Increased rate of discharge of the 'y' efferent neuron.

Answer

Increased excitability of the motor neuron pool.

Answer

Decerebration produces no phenomenon akin to spinal shock.

Question 10

In EEG, delta waves are seen:

Accepted Answer

In deep sleep

Answer

Due to the reticular system

Answer

When the thalamus is cut off from the pons

Answer

Originating from the thalamocortical area

Neuroplasticity — MCQs

Neuroplasticity — MCQs

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