Reflex action

Reflex action

8th Grade

10 Qs

quiz-placeholder

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Reflex action

Reflex action

Assessment

Quiz

Science

8th Grade

Hard

NGSS
MS-LS1-8

Standards-aligned

Created by

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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