Reflex action

Quiz
•
Science
•
8th Grade
•
Hard
Standards-aligned
Vicky Oxenham
Used 1K+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a reflex action, the __________ bypasses the ___________
Motor neuron, brain
Sensory neuron, brain
Sensory neuron, spinal cord
Motor neuron, spinal cord
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An example of a reflex action includes
Touching a butterfly
Brushing your hand against the side of your body
Touching a hot stove
Your legs moving as you walk
Tags
NGSS.MS-LS1-8
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An effector is also known as a ____________ to an action
Stimulus
Sensory neuron
Motor neuron
Response
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a reflex arc, the sensory neuron leads to the ___________ and the motor neuron leads to the __________
Spinal cord, CNS
CNS, muscle
Spinal cord, muscle
Muscle, CNS
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When you suddenly shine a torch in someone's eye, the pupil
Contracts, then stays that way for the rest of the day because the pupil needs time to readjust
Stays the same
Dilates
Contracts
Tags
NGSS.MS-LS1-8
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Conditioned reflexes involve
An immediate response because your body should know how to respond to something by itself
An on the spot reaction that doesn't involve prior knowledge
Prior thought or learning
A slow response to an object moving
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens in the spinal cord during a reflex arc?
The stimulus causes a sensory neuron to generate a nerve impulse
The nerve impulse carries a signal to be directly sent to a sensory neuron
The motor neuron causes a contraction
The nerve impulse carries a signal to be directly sent to a motor neuron
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