Question 1

Which of the following structures is NOT part of the central nervous system (CNS)?

Accepted Answer

Cranial nerves

Question 2

Which layer of the meninges is closest to the brain and spinal cord?

Accepted Answer

Pia mater

Question 3

Cerebrospinal fluid (CSF) is produced primarily by which structure?

Accepted Answer

Choroid plexus

Question 4

Which of the following best describes the function of the blood-brain barrier?

Accepted Answer

It selectively restricts passage of certain substances from the blood into the brain.

Question 5

A patient presents with loss of voluntary movement on the right side of the body and difficulty speaking. Which area of the brain is most likely affected?

Accepted Answer

Left frontal lobe

Question 6

Which equation correctly represents the calculation of cerebral perfusion pressure (CPP)?

Accepted Answer

$$CPP = MAP - ICP$$

Question 7

Which of the following is a function of the limbic system?

Accepted Answer

Emotional processing and memory formation

Question 8

Which structure acts as the major relay station for sensory information entering the brain?

Accepted Answer

Thalamus

Question 9

A patient suffers a stroke resulting in loss of sensation and paralysis on the left side of the body. Which artery is most likely occluded?

Accepted Answer

Right middle cerebral artery

Question 10

Which of the following best describes the difference between a concussion and a contusion?

Accepted Answer

A contusion is a bruise on the brain with localized bleeding, while a concussion is a temporary loss of brain function without visible damage.

Question 11

Which of the following is a sign of increased intracranial pressure (ICP)?

Accepted Answer

Bradycardia

Question 12

Which structure is responsible for regulating autonomic functions such as heart rate and respiration?

Accepted Answer

Medulla oblongata

Question 13

Which of the following is TRUE regarding the blood-brain barrier?

Accepted Answer

It is formed by tight junctions between endothelial cells.

Question 14

Which of the following is a symptom of a cerebrovascular accident (CVA)?

Accepted Answer

Sudden weakness or numbness on one side of the body

Question 15

Which equation correctly represents the calculation of mean arterial pressure (MAP)?

Accepted Answer

$$MAP = \frac{1}{3} (SBP - DBP) + DBP$$

Question 16

Which part of the brain is primarily responsible for balance and coordination?

Accepted Answer

Cerebellum

Question 17

Which of the following statements about the spinal cord is CORRECT?

Accepted Answer

It contains both ascending sensory and descending motor tracts.

Question 18

Which of the following is a function of the hypothalamus?

Accepted Answer

Regulation of body temperature

Question 19

Which of the following best describes the difference between paraplegia and quadriplegia?

Accepted Answer

Paraplegia affects the lower limbs, while quadriplegia affects all four limbs.

Question 20

Which of the following is a unique characteristic of the medulla oblongata?

Accepted Answer

It contains centers for regulating heart rate and breathing.

Central Nervous System: Study Guide and Key Concepts

Study Guide - Practice Questions

Study Guide - Flashcards