MCQs of Physiology – Central Nervous System

Pain is conducted by :

Hunger centre of brain is:

Pain sensation from the lateral extremities is transmitted by :

Cell bodies of the neurons which carry taste sensation from the anterior 2/3^rd of the tongue are located in:

Respiratory centre is situated in:

Middle ear deafness can be tested by

Preganglionic parasympathetic fibers are:

The temperature of body is controlled by

Sensations of pain from teeth and temperature are carried by

Group B fibers are present in:

Lesions within the basal ganglia produce the following signs except:

Centre of activity of autonomic nervous system is:

Which of the following is not true for myelinated nerve fibers:

Receptors for olfactory sensation are present in :

Tremors are seen in disorder of:

Volunatary movement of eye ball is controlled by

Unmyelinated fibres differ from myelinated fibers in that they :

Breathing ceases upon destruction of the

The Sensory receptors serving the stretch reflex are classified as:

In CNS, the myelination is carried out by :

Abdominal visceral pain is transmitted by :

Chromatolysis is:

Aphasia is most likely associated with a lesion in:

Body temperature is maintained by :

The term ‘myopia’ refers to :

which receptor is responsible for monitoring the rate of muscle stretch?

Neurotransmitter in nigrostrial pathway is:

First change to occur after nerve cut is:

First change to occur in the distal segment of cut:

Which sensation is not lost on the side of lesion in brown sequard syndrome?

Wallenberg degeneration is seen in:

In cerebellar disease, all the statements are correct except:

Swallowing center is situated in:

Hyper kinetic syndromes such as chorea and athetosis are usually associated with pathological changes in:

Satiety center in hypothalamus is regulated by :

Function of GABA on CNS is:

Gag reflex is mediated by _____ cranial nerve:

Phagocytosis in the CNS is done by :

Sympathetic stimulation causes :

Pain producing substance is:

Resting membrane potential of nerve fiber is:

Red colour blindness is called :

Pacinian corpuscles are major receptor for:

Tissues with least regenerative potential is:

Intensity of sound is measured in:

Sweat glands are supplied by only:

Copious flow of watery saliva is secreted in response to :

The cell junctions allowing exchange of cytoplasmic molecules between two cells are called:

The first physiological response to high environmental temperature is:

Following are extrapyramidal tracts except

function of Merkel’s cells is:

Afferent component of corneal reflex is mediated by :

Sensory receptors for pain are

Blood supply to the brain during moderate exercise:

Delta waves of Electroencephalogram have frequency of :

Which of the following acts as a neurotransmitter inhibitor :

The most outer covering of nerve fibres is called as:

The pathway of pain from teeth and temperature is carried by :

Intention tremor is a feature of :

DOPA and 5 – Hydroxytryptophan are clinically important because

Epicrritic perception of pain occurs at the level of

Broca’s area is concerned with

Blood brain barriers is absent in all of the following areas except

Which of the following is not true about axonotmesis?

Axon hillock is part of the soma of neuron which

In nerve , the magnitude of the action potential overshoot is normally a function of the

Stimulating mechanoreceptors or nociceptors in mouth triggers the

Following are the changes during accommodation except