Nervous System Quiz 56 (20 MCQs)

Quiz Instructions

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1. Instructions from the spinal cord to the muscles in the human leg are transmitted through structures known as:

Correct Answer: B) Motor neurons.

2. The cerebrum is divided into right and left

Correct Answer: B) Hemispheres.

3. Which Cranial Nerve is called the Oculomotor Nerve?

Correct Answer: A) III.

4. Cells in the retina of the eye that detect light are examples of:

Correct Answer: B) Receptor.

5. This neurotransmitter plays a role in motivation, mood, attention, memory, and movement, and provides feelings of reward

Correct Answer: A) Dopamine.

6. Autonomic neurons that conducts nerve impulses between the spinal cord and a ganglion.

Correct Answer: D) Preganglionic neuron.

7. What part of the brain controls involuntary muscles like reflexes?

Correct Answer: A) Medulla.

8. Why is-55 mV a significant number?

Correct Answer: B) This is the threshold required to trigger an action potential.

9. The grooves on the surface of the brain are called?

Correct Answer: B) Sulci.

10. Mark the following statement if it is part of the PNS or CNS.connects all areas of your body to the brain and spinal cord

Correct Answer: A) Peripheral Nervous System.

11. Targets of the autonomic nervous system include all of the following except

Correct Answer: A) Skeletal muscle.

12. A bundle of axons supported by connective tissue is called a .....

Correct Answer: A) Nerve.

13. Possesses the Somatosensory Cortex

Correct Answer: B) Parietal Lobe.

14. The ..... controls all the other organs, and processes all the information.

Correct Answer: B) Brain.

15. Lobe responsible for sensory information such as touch

Correct Answer: D) Parietal.

16. The parts of the nervous system are:

Correct Answer: C) Brain, nerves, and spinal cord.

17. Cell bodies make up this part of the brain and spinal cord

Correct Answer: B) Gray matter.

18. There are a total of ..... pairs of spinal nerves.

Correct Answer: D) 31.

19. THIS MUSCLE IS RESPONSIBLE FOR ACTIVATING THE KNEE IN DIFFERENT MOVEMENTS SUCH AS RUNNING OR JUMPING

Correct Answer: A) QUADRICEPS.

20. What types of cells tell the brain what it is experiencing?

Correct Answer: C) Receptor Cells.