Nervous System Quiz 868 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. The cerebrum is divided into the following lobes:

Correct Answer: A) Frontal, parietal, occipital, temporal.

2. The brain and spinal cord. It receives information from the sense organs and organizes responses by the muscles and glands.

Correct Answer: B) Central Nervous System.

3. Sensory messages that get sent repeatedly get remembered "motor functions" (subconscious actions).

Correct Answer: A) Integrative Functions.

4. A condition in which the inside of the cell membrane is more positively charged from the outside.

Correct Answer: B) Depolarized.

5. Which one was a disease of the nervous system?

Correct Answer: D) Cerebral Palsy.

6. Which functional area of the brain is responsible for our level of awareness and alertness?

Correct Answer: A) Reticular activating system.

7. The cells that carry impulses from your central nervous system to effectors are called .....

Correct Answer: C) Motor neurons.

8. A person has a stroke on her frontal lobe. What might happen to her?

Correct Answer: A) Reduced planning abilities.

9. Which of the following statements about action potentials in a given neuron is false?

Correct Answer: D) They are propagated down the length of the dendrite.

10. What is the function of muscle spindles?

Correct Answer: A) Stretch receptors in skeletal muscles.

11. Brain surgery occurs within the skull. The best medical term to describe within the skull is .....

Correct Answer: A) Intracranial.

12. Neurons that transmit messages from sense organs to the central nervous system.

Correct Answer: B) Afferent neurons.

13. PNS neurons that transmit action potentials from the CNS to skeletal muscles.

Correct Answer: C) Somatic Motor Nervous System.

14. The phone rings and you answer it. The ringing of the phone is a .....

Correct Answer: A) Stimulus.

15. Identify the response ..... '' An organism is hungry so it eats some food."

Correct Answer: B) Feeling hungry.

16. Nourishes the cornea and lens

Correct Answer: A) Aqueous Humor.

17. An afferent neuron is the name for motor neurons.

Correct Answer: B) False.

18. What are myelinated fibers

Correct Answer: A) Nerve fibers that have a myelin sheath; impulses travel faster.

19. Which part of the brain controls heart rate, regulates blood pressures, and is involved in breathing, swallowing, and vomiting?

Correct Answer: A) Spinal cord elongated.

20. Channels that open in response to a change in the membrane potential are ..... ion channels.

Correct Answer: A) Voltage-gated.