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The Nervous System Flashcards | StudBud
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The Nervous System
The Nervous System
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Biology Nervous System Basics
Flashcards
22 cards
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Practice quiz
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Questions
22
Answers
1
Your sense of smell does not affect how food tastes.
False
True
2
Which part of the neuron secretes neurotransmitters?
axon
axon terminals
soma (cell body)
dendrites
3
Which part of the neuron conducts impulses away from the nerve cell body?
Axon
Chondrite
Soma
Dendrite
4
Homeostasis refers to maintaining a stable internal environment regardless of the changes on the external environment.
True
False
5
What does the myelin sheath around the axon do?
allows impulses to "jump" the synapse
insulates the axon and speeds impulse transmission
insulates the axon & slows speed of impulse transmission
causes the axon to degenerate
6
Rods and cones:
Are responsible to sense smell.
Are responsible for visual sensations of darkness.
Are responsible for visual detection of light and color.
Are sense receptors in the ears
7
Motor neurons:
Send impulses from the body or an organ to the brain
Send impulses from the brain to a muscle or gland
Send impulses from one side of the brain to the other
Are only interpreted by the cerebellum
8
Junction (gap) between an axon terminal of one cell and dendrite of another across which impulses travel.
Synapse
Dendritic connection
Axial junction
Axial passage
9
What do the semicircular canals help with?
Seeing
Tasting
Hearing
Balancing
10
What does the cerebellum control?
memory and reasoning
balance and coordination
hair growth
involuntary actions
11
Sensory neurons...
cause muscles to move
send messages from body to the brain
process information and decide how to respond
send messages from the brain to the body
12
The axon conducts nerve impulses _______ the cell body.
towards
around, bypassing
away from
both towards and away from
13
This division of the nervous systems consists of the brain and spinal cord:
Peripheral Nervous System
Longitudinal Nervous System
Cerebral Nervous System
Central Nervous System
14
Axon Terminals
B
G
A
F
15
What is an insulating layer that forms around nerves?
Dendrites
Cell Body
Axon Terminals
Myelin Sheath
16
What are the two major divisions of the nervous system?
Peripheral and Subconscious
Central and Subcortical
Conscious and Subconscious
Central and Peripheral
17
The axon terminals are indicated by ________.
A
B
I
C
18
Reception of stimuli from the outside world is a function of this part of the nervous system
Peripheral nervous system
Central nervous system
19
The cochlea is responsible for...
Transmitting visual signals from the eye to the brain.
Sending messages to the brain about body movement.
Transforming sound wave vibrations into neural signals.
Protecting the surface of the eye.
20
Nerve cells are also known as:
Myelins
Axons
Dendrites
Neurons
21
Which is the correct order of neurons in the reflex arc?
Sensory > Motor > Inter
Inter > Sensory > Motor
Sensory > Inter > Motor
Inter > Motor > Sensory
22
Which letter shows the dendrites of the neuron?
E
B
F
A
