Dr Gawad Physiology Course Online Exams –stretch Reflex, Umnl & Lmnl

1. About stretch reflex:

The nuclear bag stimulation leads to dynamic stretch reflex.

The gamma neuron is the centre of the reflex

The nuclear chain afferent is of type II fibers only.

None of the above

It affects a localized group of muscles

It affects muscle of the contralateral side

Tendon jerk is exaggerated

None of the above

It affects a localized group of muscles

Muscles are hypertonic

It affects muscle of the ipsilateral side

None of the above

Hypotonia.

Deep reflexs are absent

No muscle wasting

None of the above

Nuclear bag fiber is responsible for tendon jerk reflex.

Gamma efferent neuron is considered as the efferent of stretch reflex.

It is a monosynaptic reflex.

After discharge is not from the properties of this reflex.