Nervous system Question bank
Study Nervous system questions and answers and then play the game
- Spinal cord originates from ____ .
- Answer : medulla
- All voluntary actions of our body are controlled by ____.
- Answer : cerebrum
- Number of pairs of nerves which arises from spinal cord is ____.
- Answer : 31
- Number of pairs of nerves which arises from brain is ____.
- Answer : 12
- Olfactory receptors in humans are located in ____.
- Answer : nose
- An adult brain weighs about ____ kg.
- Answer : 1.5 Kg
- The brain consumes about ___ % of total oxygen in body.
- Answer : 25
- The three membranous coverings around brain are called ____.
- Answer : Meninges
- The fluid that acts as a cushion for brain is called ____ fluid.
- Answer : cerebrospinal fluid
- Cerebellum is located at base of ____.
- Answer : cerebrum
- An injury to _____ generally leads to instant death.
- Answer : medulla
- Instead of convolutions, cerebellum appears to have ___.
- Answer : gyrus
- Main function of cerebellum is to ________.
- Answer : balance body
- Neuron is basic structural and functional unit of nervous system.
- Answer : True
- Thinking and control center of brain is cerebellum.
- Answer : False
- Sensory neuron is mainly concerned with transmission of nerve impulses from brain to muscles.
- Answer : False
- Sensory neuron carries impulse from one neuron to another.
- Answer : False
- Motor neuron transmits nerve impulses ;from brain to muscles;
- Answer: True
- Olfactory nerves feed _____.
- Answer : nose
- Pain and pressure impulses are sensed by?
- Answer : skin
- Optic nerves carry impulses from:
- Answer : eye
- Auditory nerves are associated with:
- Answer : ear
- Nerves that originate from brain are called:
- Answer : cranial nerves
- Breathing is controlled by _____
- Answer : medulla oblongata
- Neurotransmitters allow impulse to travel through synapse to next neuron
- Answer : True
- When cerebrum is damaged due to injury the person loses the ability to
- Answer : think and make decisions
- When cerebellum is damaged due to injury the person loses the ability to
- Answer : maintain balance
- When medulla oblongata is damaged the person loses the ability to
- breathe normally
- What acts as an insulation and prevents mixing of impulses in adjacent axons?
- Answer : myelin sheath
- The long slender projection of neuron is known as:
- Answer : axon
- A neuron consists of cyton, dendrites ;and ____ ?
- Answer : axon
- The gap between two neurons is called a :
- Answer : synapse
- Which nerves transmit electrical impulses from central nervous system to muscles?
- Answer : motor neurons
- Which nerves receive stimulus from senses and transmit to central nervous system?
- Answer : sensory neurons
- Outer layer of cerebrum is known as?
- Answer : cerebral cortex
- The lobe of the cerebrum which receives information from retina is?
- Answer : occipital lobe
- Which part of the brain controls our sleep and wake cycles?
- Answer : Hypothalamus
- Which part of the brain controls our body temperature?
- Answer : Hypothalamus
- Which part of the brain controls our urge for eating and drinking?
- Answer : Hypothalamus
- Reflex action is controlled by the
- Answer : spinal cord
- A mixed nerve is one which contains:
- Answer : both sensory and motor neurons
- Basic structural and functional unit of the brain is:
- Answer : neuron
- Which of these is not a reflex action?
- Answer : lifting a book
- Which of these is not a reflex action?
- Answer : drinking water
- Which of these is a reflex action?
- Answer : Blushing
- The left and right hemisphere of cerebrum are connected by sheet of fibers called?
- Answer : corpus callosum
- The outermost layer of meninges is the
- Answer : Dura matter
- Junction between two nerve cells is :
- Answer : synapse