Question 1

Which embryonic brain vesicle gives rise to the superior colliculus, and what is the primary function of this structure in the adult brain?

Accepted Answer

Midbrain; visual reflexes

Question 2

A patient presents with difficulty understanding spoken language but can produce fluent, nonsensical speech. Damage to which area is most likely responsible, and in which hemisphere is this area typically located?

Accepted Answer

Wernicke's area; left cerebral cortex

Question 3

Which neurotransmitter is primarily lost in Parkinson's disease, and in which brain region does this loss occur?

Accepted Answer

Dopamine; substantia nigra

Question 4

Which lobe of the brain contains the primary auditory cortex, and what is its main function?

Accepted Answer

Temporal lobe; processing sound information

Question 5

White matter in the central nervous system appears white due to which component, and what is its primary function?

Accepted Answer

The lipids in the myelin sheath; rapid transmission of electrical signals

Question 6

A patient is unable to form new long-term memories after a head injury. Which brain structure is most likely damaged?

Accepted Answer

Hippocampus

Question 7

Which of the following best describes the function of the basal ganglia (basal nuclei)?

Accepted Answer

Regulation of movement

Question 8

The limbic system is primarily involved in which of the following functions?

Accepted Answer

Emotion and learning

Question 9

Which structure directly controls the pituitary gland and is responsible for regulating most drives, including hunger and thirst?

Accepted Answer

Hypothalamus

Question 10

A sample of cerebrospinal fluid (CSF) is taken from the subarachnoid space at the level of the cauda equina. This procedure is known as a:

Accepted Answer

Spinal tap

Question 11

Which of the following best describes the underlying structure of the central nervous system (CNS)?

Accepted Answer

Tube

Question 12

Which meningeal layer adheres directly to the surface of the brain?

Accepted Answer

Pia mater

Question 13

Which pathway carries sensory information from the periphery toward the brain?

Accepted Answer

Ascending pathway

Question 14

A patient receives an epidural injection for pain relief during childbirth. Where is the anesthetic administered?

Accepted Answer

Outside the dura mater

Question 15

Which of the following statements about neural pathways is TRUE?

Accepted Answer

The axons of lower motor neurons synapse with muscles.

Question 16

Which brain structure is responsible for programming muscle movements to accomplish a task, such as riding a bicycle?

Accepted Answer

Cerebellum

Question 17

Which of the following best describes what an EEG (electroencephalogram) measures?

Accepted Answer

High-level patterns of neural firing over the whole brain

Question 18

Which ventricle is continuous with the central canal of the spinal cord?

Accepted Answer

4th ventricle

Question 19

All conscious experience is generated by which of the following?

Accepted Answer

Action potentials in the cerebral cortex

Question 20

A patient with a lesion in the amygdala would most likely have difficulty with which of the following?

Accepted Answer

Regulating fear

Anatomy & Physiology: Central Nervous System and Brain Structures Study Guide

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