Nervous System Quiz 99 (20 MCQs)

Quiz Instructions

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1. The sciatic nerve is part of what plexus?

Correct Answer: D) Sacral.

2. Structure located under the brain and controls balance and walking:

Correct Answer: D) Cerebellum.

3. The brain and spinal cord are part of the .....

Correct Answer: C) Central nervous system.

4. Sensory nerves that send visual stimuli messages to the brain

Correct Answer: B) Optic nerve.

5. These neuron processes transmit information from the central nervous system to the muscles and glands

Correct Answer: A) They will bring.

6. The neurons that send signals from the body to the brain are .....

Correct Answer: A) Sensory Neurons.

7. Where do axons carry impulses?

Correct Answer: B) Away from the cell body of a neuron.

8. When you walk across the room you are using which part of your brain?

Correct Answer: B) Cerebellum.

9. A blocked blood vessel in the brain can lead to a .....

Correct Answer: D) Stroke.

10. Which part of the nervous system controls actions that happen automatically (involuntarily)?

Correct Answer: A) Autonomic nervous system.

11. What nerve supplies motor fibers to the pharynx (throat) that promotes swallowing and saliva production?

Correct Answer: B) Glossopharyngeal.

12. Involuntary stimuli transmitted to skeletal muscles from neural arcs in the spinal cord.

Correct Answer: A) Somatic Reflexes.

13. Which hormone is affected by the dying of neurons in the substantia nigra causing Parkinson's disease?

Correct Answer: A) Dopamine.

14. Primary Motor Speech Area

Correct Answer: A) Broca's Area.

15. Which structure is not from the neural tube?

Correct Answer: C) Dentate nucleus.

16. Events or environmental conditions that trigger a nerve impulse and cause an organism to respond are called .....

Correct Answer: A) Stimuli.

17. What is the basic structure of the nervous system?

Correct Answer: A) Neuron.

18. The sympathetic nervous system is responsible for:

Correct Answer: D) Inhibiting the stomach and pancreas.

19. Where is the control system?

Correct Answer: B) Brain.

20. Dementia that is caused by the development of lesions in the cortex during middle to late adulthood is called .....

Correct Answer: D) Alzheimer disease.