Nervous System Quiz 509 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. What are different "halves" of your brain called?

Correct Answer: C) Hemispheres.

2. What drug is highly addictive because it activates the brain's reward pathway?

Correct Answer: C) Heroin.

3. Which of the following is NOT part of the central nervous system?

Correct Answer: D) Spinal nerves.

4. Praying daily is a what

Correct Answer: B) Habit.

5. Type of neurotransmitters that increase the chance of the next neuron firing

Correct Answer: B) Excitatory.

6. How fast can the signals in the nervous system go?

Correct Answer: C) 268 mph.

7. ..... connects the cerebral cortex and the brain stem

Correct Answer: A) White matter.

8. The most numerous glial cells in the CNS are the

Correct Answer: A) Astrocytes.

9. ..... is an information cell with a nucleus.

Correct Answer: B) Neuron.

10. The somatic nervous system is responsible for sending signals to the skin/muscles.

Correct Answer: A) True.

11. An elevated ridge of brain tissue

Correct Answer: C) Gyrus.

12. The components of nervous tissue that conduct electrical impulses are .....

Correct Answer: A) Neurons.

13. How many senses to we have

Correct Answer: D) 5.

14. The gaps in the myelin sheath are known as

Correct Answer: C) Nodes of Ranvier.

15. The nerve cell is more specifically called a(n) .....

Correct Answer: D) Neuron.

16. Pulse is defined as the pressure of blood pushing against the wall of the vein as the heart beats and rests

Correct Answer: B) False.

17. Parasympathetic nervous system involved in 'fight or flight' action

Correct Answer: B) False.

18. A common pathology of the PNS characterized by weakness of the long thoracic nerve is which of the following?

Correct Answer: A) Scapular winging.

19. The limbic system is charged with:

Correct Answer: A) Emotion and learning.

20. Nerve cells that receive information and send impulses to the brain or spinal cord

Correct Answer: A) Sensory neuron.