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WorksheetsChapter 6 - Nervous System
Total questions: 64
Worksheet time: 48mins
_____ are sensory receptors found on the human tongue
Neurons
Olfactory nerves
Taste buds
Choroids
A(n) ____ carries nerve impulses from the cell body to other neurons and muscles.
axon
dendrite
nucleus
reflex arc
Alcohol is an example of what type of drug?
stimulant
depressant
inhalant
prescription
Select 2 options that show neurons at rest
More Na+ ions inside the neuron
negatively charged neuron
More Na+ ions outside the neuron
More K+ ions outside the neuron
Chemical fumes that influence the nervous system are called ____.
stimulants
neurotransmitters
inhalants
dendrites
Which part of the ear is responsible for maintaining balance?
oval window
auditory nerve
cochlea
semicircular canals
The ____ nervous system carries impulses from the central nervous system to the heart and other organs.
autonomic nervous system
somatic nervous system
central nervous system
The minimum stimulus needed to cause an action potential
threshold
impulse
nodes
reflex arc
Which part of the eye does light enter first?
the lens
the pupil
the cornea
the iris
What are the gaps on the myelin sheath called?
axons
thresholds
nodes
cell bodies
What could cause a person with brain cancer to have lost balance and decreased coordination?
cancer has damaged pons
cancer has damaged hypothalamus
cancer has damaged cerebellum
cancer has damaged pons and hypothalamus
What if a person lacked motor neurons? (Select 2 options)
would be unable to play piano
would be unable to breathe
would be unable to feel hot plate
would be unable to play the guitar
Which of the statements is true of reflexes?
All reflex signals must go to brain
they require conscious thought
they are slow responses
they are involuntary
Which of the following neurotransmitter is involved only in muscle movement?
acetylcholine (Ach)
serotonin
dopamine
Which of these would NOT be a factor in drug addiction?
decrease dopamine level after quitting
tolerance to a depressant
normal dopamine level maintained during drug use
increased dopamine level due to a drug
An involuntary, automatic response to a stimulus is a ____.
stimulus
reflex
paralysis
conscious response
Most reflexes are processed in the ________
cerebrum
brain
spinal cord
peripheral nervous system
The space between axon of one neuron and dendrite of another neurons is called a ____.
axon
neurotransmitter
synapse
dendrite
Any change inside or outside your body that causes a response is a ____.
response
stimulus
reflex
neurons
Dull and throbbing pain is often associated with
myelinated neuron
non-myelinated neuron
resting neuron
Which neurons cause muscles to move?
Axons
motor neuron
sensory neuron
interneuron
Which part of the brain is involved in memory, speech, complicated thoughts?
cerebellum
cerebrum
brain stem
hypothalamus
Part of the nervous system consisting of the brain and spinal cord.
peripheral nervous system
outside nervous system
medial nervous system
central nervous system
A message carried by a nerve cell is called a(n) ____.
signal
impulse
reflex
neuron
Our breathing system is control and coordinated by this part of the brain.
Spinal cord
Cerebellum
Medulla
Cerebrum
If a person finds difficulty in dancing, which part of the brain is yet to be developed?
Cerebellum
Cerebrum
Pons
Medulla
The part of the neuron that insulates the axon and increases the speed of the action potential within the neuron.
Axon Terminal
This part of the neuron receives chemical messages from the neurotransmitters of other neurons. It is labeled A in the diagram.
Dendrite
Axon
Axon Terminal
Cell Body
Which part of the brain controls your blood pressure and heart rate?
brain stem
cerebrum
cerebellum
adrenal gland
Which nervous system will control Skeletal muscles?
Somatic Nervous System
Autonomic Nervous System
Bronchial muscle contracts and mucus production increases is controlled by
Parasympathetic Nervous System
Sympathetic Nervous System
Which of the following nervous system would control the action to 'Glands'?
Somatic Nervous System
Autonomic Nervous System
Which of the following is associated with free nerve endings?
Pain receptors
Temperature receptors
Light pressure receptors
Heavy pressure receptors
The "fight or flight" response during threatening situations is the role of the:
What are the two divisions of the autonomic nervous system?
central and peripheral
parasympathetic and sympathetic
brain and spinal cord
Somatic and Nervous
This controls body temperature and regulates the pituitary gland
Cerebrum
Cerebellum
Medulla Oblangata
Hypothalamus
Which organ lacks pain receptors?
Eyes
Brain
Intestine
Kidneys
Receptors found in your mouth are
mechanical receptors
chemical receptors
sound receptors
photoreceptors
Optic nerve
Motor neuron
Interneuron
Rods and Cones
Rods
Cones
Cell body
Motor neuron
auditory nerve
Chemical receptors that respond to chemicals in the air
Olfactory receptors
taste buds
Photoreceptors that detect gray tones in low light
Taste buds
Olfactory receptors
Label D
Cornea
Iris
Pupil
Label C
Auditory nerve
Name the colorless - gelatinlike liquid labelled as B
Cornea
What part of the eye is this?
Iris
Lens
Retina
Pupil
What is the muscle that controls the size of the pupil?
Cornea
Retina
Iris
Optic Nerve
What are the three tiny bones in your middle ear called? (Select 2 answers)
Hammer, Angus, Stirrup
Hammer, Anvil, Stirrup
malleus, incus, stapes
Hanson, Angus, Stands
Which of the following structure is responsible for hearing?
Cochlea
Water, and tiny hairs
Iris
Semicircular canals
What does the fluid inside your ears do when displaced?
Vibrates the skin in your ear
Sends sound waves to the brain
Displaces the hair cells.
Stimulates the hair cells to send an impulse
When sound waves cause the tympanic membrane to vibrate, these vibrations are immediately passed on to the_________.
Auditory canal
semicircular canals
tiny hairs
three small bones in the middle ear
What happens in the inner ear?
Sound waves cause the tympanum to vibrate
The vibrations travel through 3 inner bones
Sound waves are reflected.
Sound waves are converted into nerve impulses.
When you spin while sitting in a swivel chair with your eyes closed, you can sense this movement by
means of your
cochlea
stapes
semicircular canals
auditory nerve
Which of the following is not a function of the skin?
produces vitamin D
eliminates waste
stores calcium and phosphorus
helps regulate body temperature
Select 2 types of medicines that can only be bought with a doctor's order?
Aspirin
Over the counter medicine
Antibiotics
Which of the following is NOT true about Drugs?
It can destroy neurotransmitter
It can alter the function of body
It can mimic a neurotransmitter
It can block a receptor site for a neurotransmitter
Inhalants
Nicotine
Alcohol
Which of the following is a depressant?
Chocolate
Nicotine
Caffeine
The short-term effects of ___ include loss of coordination, impaired & judgement and slow reaction time.
alcohol
nicotine
caffeine
dopamine
Consuming this drug increases the amount of Dopamine released into a synapse.
caffeine
nicotine
gasoline
adenosine
When a person's body has become used to the effects of the a drug or medicine and needs a greater amount to be effective.
Stimulant
Dependence
Tolerance
Addiction
The condition in which a person develops a mental or emotional need for a drug or other substance.
psychological dependence
tolerance
withdrawal
physiological dependence
