Questions
What is the neuron, which conducts nerve impulses towards the central nervous system called?
- Efferent neuron
- Afferent neuron
- Unipolar neuron
- Multipolar neuron
- Multisensory neuron
The effector of a reflex is _________.
- always a gland
- always a muscle
- a sense organ
- a muscle or a gland
- a blood vessel
The brain and the spinal cord are enveloped by three membranes; they are collectively called ______.
- pleura
- peritoneum
- meninges
- neurilemma
- central membrane
The motor areas of the cerebrum are associated with which of the following?
- Involuntary movement
- Voluntary movement
- Movements of the lungs
- All kind of movement
- Cardiac movements
The part of mammalian brain involved in muscular coordination is ___________.
- medulla
- cerebellum
- cerebrum
- corpus callosum
- white matter
The chemical substance that is released in a synapse during the transmission of a nerve impulse is ___________.
- acetic acid
- ketone bodies
- aldosterone
- acetylcholine
- formic acid
The receptors of the skin which respond to pressure are called ___________.
- meissner's corpuscles
- facial nerve
- 3rd cranial nerve
- 1st cranial nerve
- 5th cranial nerve
The outside of the brain and the inside of the spinal cord are composed chiefly of which of the following?
- Myelinated fibres
- Non-Myelinated fibres
- Grey matter
- White matter
- Blood vessels
The receptors of the skin which respond to sensitivity to light touch are called _________.
- meissner's corpuscles
- pacinian corpuscles
- etnoreceptors
- hair follicles
- none of these
Which of the following is the longest cranial nerve that innervates regions of body other than the head?
- Trochlear
- Vagus
- Oculomotor
- Trigeminal
- None of these
Where do the spinal nerves have the cell bodies of their afferent fibres?
- Dorsal root of spinal cord
- Ventral root of spinal cord
- White matter
- Grey matter
- Apex of the spinal cord
Sense organ concerned with the maintenance of equilibrium, in mammals are located in _________.
- eyes
- internal ear
- brain
- nasal chamber
- middle ear
Which is the outer most layer of connective tissue covering the brain?
- Piamater
- Duramater
- Arachnoid membrane
- Neurilemma
- Meninges
The inter neuronal junctions, where the axon terminations of one neuron comes very near to the dendrites of another neuron, are called _______.
- nodes
- ganglia
- nerves
- synapses
- dendrites
Which of the following is the major site of motor control?
- Diencephalon
- Cerebral cortex
- Cerebellum
- Medulla oblongata
- Gray matter
The seat of intelligence is the __________.
- diencephalon
- cerebral cortex
- cerebellum
- medulla oblongata
- white matter
The technique of acupuncture is used ___________.
- to inhibit pain impulses
- to decrease blood circulation
- to decrease neurotransmission
- to make the patient unconscious
- to decrease oxygen concentration in blood
Which is the part of the brain that is responsible for maintenance of equilibrium of the body?
- Organ of corti
- Cerebral cortex
- Cerebellum
- Semicircular canal
- Medulla oblongata
The ability to recognise by 'Feel' the size, shape, and texture of an object is called _____________.
- photo reception
- proprio reception
- stereognosis
- diagnosis
- chemo reception
Which of the following is the osmoregulatory centre in human brain?
- Hypothalamus
- Diencephalon
- Pituitary
- Pineal
- Cerebrum
Sensory nerve fibres enter the spinal cord through
- dorsal root
- ventral root
- cranial nerves
- central canal
- None of these