Nervous System Quiz 807 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Sensory receptors detect changes in the internal and external environment which is called a .....

Correct Answer: D) Stimulus.

2. Body system used for communication

Correct Answer: B) Nervous system.

3. Air enters the respiratory system through the .....

Correct Answer: A) Nostrils/Nares.

4. This structure protects the inner parts of the eyeball.

Correct Answer: A) Sclera.

5. Which part of the neuron receives action potential from other neurons?

Correct Answer: C) Dendrites.

6. Our ..... receives messages and sends them to the brain and vice versa?

Correct Answer: C) Nerves.

7. A region of the cerebrum that is responsible for insight, art, music, and imagination.

Correct Answer: B) Right hemisphere.

8. In what direction does a nerve impulse travel through a neuron?

Correct Answer: B) From the dendrites and down the axon towards the axon terminal.

9. True or False:Sensory neurons bring a stimulus input to the spinal cord or brain and the brain or spinal cord sends a motor neuron response.

Correct Answer: A) True.

10. Post traumatic stress disorder

Correct Answer: C) PTSD.

11. A stimuli is.....

Correct Answer: A) A change in the environment that causes a reaction.

12. What is the part of a neuron that receives information and takes it towards the cell body?

Correct Answer: B) Dendrite.

13. Which of the following options IS NOT one of the effects of the parasympathetic response?

Correct Answer: C) Increase in blood pressure.

14. A place where two or more bones meet

Correct Answer: A) Joint.

15. The ..... is the dark circle in the center of your iris. It's a hole that lets light into the inner eye.

Correct Answer: A) Pupil.

16. Which part of the body is the "control center" ?

Correct Answer: A) Brain.

17. If the CPU, monitor, keyboard, UPS and mouse were different parts of the body, which one would be the brain?

Correct Answer: A) CPU.

18. Which glial cells are the most abundant?

Correct Answer: A) Astrocytes.

19. Which type of neuron receives information by touch, taste, smell and sight?

Correct Answer: B) Sensory.

20. The first part of the digestive system, where saliva helps break down food is .....

Correct Answer: A) Mouth.