NBCE Neurology and Neurological Assessment

Question 1

Which nerve roots mediate the patellar (knee jerk) reflex?

Accepted Answer

L3-L4

Answer

L2

Answer

L5

Answer

S1

Question 2

The C6 dermatome primarily covers which anatomical area?

Accepted Answer

The thumb, index finger, and lateral forearm

Answer

The middle finger and central palm

Answer

The ring and little fingers

Answer

The entire dorsal hand

Question 3

The Achilles tendon reflex (ankle jerk) primarily tests which nerve root?

Accepted Answer

S1

Answer

L4

Answer

L5

Answer

S2

Question 4

An upper motor neuron (UMN) lesion characteristically produces which clinical finding?

Accepted Answer

Hyperreflexia and spasticity

Answer

Hyporeflexia and fasciculations

Answer

Flaccid paralysis with muscle atrophy

Answer

Loss of deep tendon reflexes

Question 5

Weakness in great toe extension (extensor hallucis longus) is most indicative of which nerve root compression?

Accepted Answer

L5

Answer

L3

Answer

L4

Answer

S1

Question 6

A positive Brudzinski sign is a clinical indicator of which condition?

Accepted Answer

Meningeal irritation

Answer

Lumbar disc herniation

Answer

Cerebellar dysfunction

Answer

Brachial plexus injury

Question 7

Which dermatome covers the lateral thigh region?

Accepted Answer

L2

Answer

L1

Answer

L3

Answer

L4