reflex action

reflex action

University

5 Qs

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reflex action

reflex action

Assessment

Quiz

Science

University

Medium

Created by

Mary Jacqulin John britto

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is a reflex action?

A voluntary movement initiated by the brain.

A rapid and automatic response to a stimulus that bypasses conscious thought processes.

A deliberate action requiring conscious decision-making.

A slow and deliberate response to a stimulus involving multiple brain regions.

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following best describes the role of receptors in the human body?

They bring about a response.

They transmit signals across the central nervous system.

They detect changes in the external environment.

They transmit electrical impulses across synapses.

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following shows the correct process of a reflex arc?

Stimulus, receptor, motor neuron, relay neuron, sensory neuron, effector, response

Stimulus, receptor, sensory neuron, relay neuron, motor neuron, effector, response

Receptor, stimulus, sensory neuron, relay neuron, motor neuron, effector, response

Receptor, stimulus, relay neuron, sensory neuron, motor neuron, effector, response

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Why is the pupil constriction reflex important for your eyes?

  • It helps you see better in dim light

  • It protects the retina from damage by limiting light

  • It improves your night vision

  • It helps you focus on objects

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Why do reflexes occur without the involvement of the brain?

  • Reflexes are part of conscious thought

  • The brain takes too long to process reflex actions

  • Reflex actions are processed in the spinal cord for faster responses

  • Reflexes are voluntary actions