Reflexes

Question 1

Upper motor neuron originates from?

Answer 1

The brain

Question 2

Lower motor neuron function?

Answer 2

Signal comes out

Question 3

2 types of synapses?

Answer 3

Excitatory and Inhibitatory

Question 4

If there is damage at lesional part of the spine what gets affected?

Answer 4

The upper motor neuron and the lower motor neuron of the lesional part of the spinal cord would be affected, as well as the upper motor neuron of the intralesional would be affected since they connect and originate the same.

Question 5

An upper motor neuron: affected and a lower motor neuron: unaffected results in what?

Answer 5

Hyperactive reflexes since the brain cannot inhibit reflexes anymore since the upper motor neuron helped in that case.

Question 6

C4/C5 is what spinal nerve?

Answer 6

Biceps tendon reflex

Question 7

C7/C8 is what spinal nerve?

Answer 7

Triceps tendon reflex

Question 8

T8/T12 is what spinal nerve?

Answer 8

Abdominal reflex

Question 9

L2 is what spinal nerve?

Answer 9

Cremastic reflex

Question 10

L3/L4 is what spinal nerve?

Answer 10

Patellar reflex

Question 11

S1 is what spinal nerve?

Answer 11

Achilles tendon reflex

Question 12

Babinski sign

Answer 12

A neurological test where stroking the sole of the foot causes the big toe to extend upwards and the other toes to fan out. In infants, this is a normal reflex, but in older children and adults, it can indicate damage to the central nervous system.