Question 1

Which of the following best describes the function of cerebrospinal fluid (CSF) in the central nervous system?

Accepted Answer

It cushions the brain and spinal cord, supplies nutrients, and removes waste products.

Question 2

Which of the following is NOT a component of the central nervous system (CNS)?

Accepted Answer

Cranial nerves

Question 3

Arrange the following meningeal layers in order from superficial to deep: dura mater, arachnoid mater, pia mater.

Accepted Answer

Dura mater, arachnoid mater, pia mater

Question 4

A patient receives a spinal block for surgery. In which space is the anesthetic most likely injected?

Accepted Answer

Subarachnoid space

Question 5

Which of the following best describes the function of the corpus callosum?

Accepted Answer

It connects the two cerebral hemispheres and allows communication between them.

Question 6

The temporal lobe of the brain is primarily responsible for which function?

Accepted Answer

Processing auditory information and memory

Question 7

Which lobe of the brain evaluates sensory input such as touch, pain, taste, pressure, and temperature?

Accepted Answer

Parietal lobe

Question 8

A patient is unable to speak fluently and has difficulty with analytical thinking and math. Which hemisphere of the brain is most likely affected?

Accepted Answer

Left hemisphere

Question 9

Which structure on the surface of the cerebrum are shallow grooves/indentations?

Accepted Answer

Sulci

Question 10

Which brainstem structure is continuous with the spinal cord and controls breathing and salivation?

Accepted Answer

Medulla oblongata

Question 11

If a patient has damage to the occipital lobe, which function is most likely impaired?

Accepted Answer

Vision

Question 12

Which cranial nerve is responsible for vision?

Accepted Answer

Optic nerve (II)

Question 13

Which division of the autonomic nervous system is responsible for the 'fight or flight' response, increasing heart rate, blood pressure, and respiration rate?

Accepted Answer

Sympathetic division

Question 14

Which part of the spinal cord contains myelinated axons and is involved in transmitting signals between the brain and body?

Accepted Answer

White matter

Question 15

A patient presents with loss of coordination and balance. Which brain structure is most likely affected?

Accepted Answer

Cerebellum

Question 16

Which brain structure controls the pituitary gland and regulates functions such as hunger, thirst, and body temperature?

Accepted Answer

Hypothalamus

Question 17

If a patient has difficulty with artistic, creative, and musical tasks, which hemisphere of the brain is most likely affected?

Accepted Answer

Right hemisphere

Question 18

Which equation best represents the relationship between the number of spinal nerves ($$N) $$and the number of vertebrae ($$V) in $$the human body, given that there are 31 pairs of spinal nerves and 33 vertebrae?

Accepted Answer

$$N = V - 2$$

Question 19

Which of the following is a function of the somatic nervous system?

Accepted Answer

Controlling voluntary movements of skeletal muscles

Question 20

A patient is unable to recall recent memories and has difficulty with mood regulation. Which brain structure is most likely involved?

Accepted Answer

Hippocampus

Central Nervous System and Brain Structures: Study Guide

Guida di studio - Domande di pratica

Study guide - Flashcard