Nervous System Quiz 248 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. These are the main parts of the brain.

Correct Answer: A) Brain, cerebellum, brainstem.

2. If you have had an accident and have difficulty making decisions, what part of the brain is possibly damaged?

Correct Answer: A) Frontal.

3. What is the Synapse?

Correct Answer: D) The junction between the axon terminals of the sending neuron and the receiving neuron.

4. Learning neurotransmitter involved with movement

Correct Answer: A) Acetylcholine (ACh).

5. The term for when motor and sensory nerves work together in response to a stimulus.

Correct Answer: B) Reflex.

6. When a cell is at rest (Resting Potential), the inside is more ..... and the outside is more .....

Correct Answer: A) Negative; positive.

7. Which part form the central nervous system?

Correct Answer: D) 2 and 4.

8. Red blood cells contain (a)

Correct Answer: A) A hemoglobin.

9. This part takes care of body jobs you don't think about, like breathing and heart rate.

Correct Answer: C) Brain stem.

10. Marry said that without the nerves we CAN feel heat or cold

Correct Answer: B) False.

11. In a neuron signals flow from the axon to the dendrite.

Correct Answer: B) False.

12. An electrical message from the nervous system is called a .....

Correct Answer: B) Impulse.

13. What are nerves?

Correct Answer: D) Bundles of axons that extend from the brain and spinal cord to the rest of the body.

14. What is the top layer of skin called?

Correct Answer: B) Epidermis.

15. What characteristic is used to describe the arachnoid mater?

Correct Answer: B) It appears web-like.

16. The brain and the spinal cord are made up of neurons, specifically motor neurons and sensory neurons.

Correct Answer: B) False.

17. How do neurotransmitters contribute to the transmission of signals between neurons?

Correct Answer: A) They transmit signals by crossing the synapse and binding to receptors on the postsynaptic neuron.

18. What type of signals does the nervous system use to send information throughout the body?

Correct Answer: B) Electrical impulses.

19. Which is not part of the central nervous system?

Correct Answer: D) Backbone.

20. It's part of the neuron. They are the receptors from our sense organs. They transform a stimulus into an electrical signal, called an impulse.

Correct Answer: B) Dendrites.