Question 1

Which of the following best describes the function of the myelin sheath in the nervous system?

Accepted Answer

It insulates axons to speed up the transmission of electrical impulses.

Question 2

A patient presents with sudden, unilateral facial paralysis. Which disorder is most likely?

Accepted Answer

Bell’s Palsy

Question 3

Which lobe of the cerebrum is primarily responsible for processing visual information?

Accepted Answer

Occipital lobe

Question 4

A person is startled by a loud noise, causing their heart rate to increase and their airways to dilate. Which branch of the autonomic nervous system is responsible for this response?

Accepted Answer

Sympathetic branch

Question 5

Which of the following statements about neuroglia is correct?

Accepted Answer

They provide support and protection for neurons.

Question 6

A patient is diagnosed with a progressive neurological disorder marked by destruction of dopamine-producing cells, resulting in tremors and bradykinesia. What is the most likely diagnosis?

Accepted Answer

Parkinson’s Disease

Question 7

Which of the following best describes the function of afferent nerves?

Accepted Answer

They transmit sensory information to the CNS.

Question 8

A 64-year-old patient presents with reduced blood flow to a portion of the heart, causing chest pain and tissue damage. Which term best describes this condition?

Accepted Answer

Ischemia

Question 9

Which combining form means 'gray matter'?

Accepted Answer

poli/o

Question 10

Which of the following is a function of the cerebellum?

Accepted Answer

Integrating sensory perception with motor activity

Question 11

A patient is unable to stop moving and feels an intense inner restlessness. Which disorder is most likely?

Accepted Answer

Akathisia

Question 12

Which of the following best describes the role of endorphins in the nervous system?

Accepted Answer

They act as natural pain relievers and enhance feelings of pleasure.

Question 13

Which of the following statements about the composition of the CNS is correct?

Accepted Answer

White matter is optimized for transferring signals because it’s more insulated.

Question 14

Which medical procedure involves drilling small openings into the skull to relieve pressure through drainage?

Accepted Answer

Burr Holes

Question 15

Which neurotransmitter is primarily involved in movement, reward, and motivation?

Accepted Answer

Dopamine

Question 16

A patient is diagnosed with a birth defect where the spinal column does not close completely and has a bulge. What is this condition called?

Accepted Answer

Spina Bifida

Question 17

Which of the following best describes the function of the autonomic nervous system?

Accepted Answer

Regulates involuntary functions such as heart rate and digestion

Question 18

Which combining form means 'nerve root'?

Accepted Answer

radic/o

Question 19

A patient experiences visual and olfactory sensations before a seizure. What is this phenomenon called?

Accepted Answer

Aura

Question 20

Which of the following is the correct pairing of a nervous system structure and its combining form?

Accepted Answer

poli/o – gray matter

Medical Terminology: Nervous System and Mental Health – Study Notes

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