Question 1

Which structure of the diencephalon acts primarily as a relay station for information coming into the cerebral cortex?

Accepted Answer

Thalamus

Question 2

A patient presents with severe body wasting, obesity, sleep disturbances, and dehydration. Damage to which brain structure is most likely responsible for these symptoms?

Accepted Answer

Hypothalamus

Question 3

Which of the following is a function of the pineal gland located in the epithalamus?

Accepted Answer

Secretes melatonin to help regulate sleep-wake cycles

Question 4

The medulla oblongata contains nuclei that regulate which of the following vital functions?

Accepted Answer

Heart rate and blood pressure

Question 5

Which brain region is responsible for fine-tuning motor activity by comparing actual output with expected output and adjusting accordingly?

Accepted Answer

Cerebellum

Question 6

A stroke affecting the cerebellum would most likely result in which of the following deficits?

Accepted Answer

Impaired balance and coordination of voluntary movements

Question 7

Which of the following best describes the role of the limbic system?

Accepted Answer

Processes emotional responses and interacts with the prefrontal cortex

Question 8

Which structure is functionally linked to the basal nuclei and is associated with Parkinson’s disease due to its degeneration?

Accepted Answer

Substantia nigra

Question 9

Which of the following EEG wave patterns is most commonly associated with deep sleep?

Accepted Answer

Delta waves ($$4\ \mathrm{Hz}$$\ or\ less)

Question 10

A patient is unable to remember new information but can recall memories from the distant past. What type of amnesia does this patient have?

Accepted Answer

Anterograde amnesia

Question 11

Which of the following is TRUE regarding the reticular activating system (RAS)?

Accepted Answer

It sends impulses to the cerebral cortex to keep it conscious and alert

Question 12

Which of the following best explains the difference between sleep and coma?

Accepted Answer

Sleep can be interrupted by stimulation, but coma cannot

Question 13

Which of the following is a function of the hypothalamus?

Accepted Answer

Regulation of water balance and thirst

Question 14

Which of the following nuclei in the medulla oblongata is responsible for adjusting blood vessel diameter for blood pressure regulation?

Accepted Answer

Vasomotor center

Question 15

Which type of memory is involved in remembering your own name?

Accepted Answer

Declarative memory

Question 16

Which of the following statements about the cerebellum is CORRECT?

Accepted Answer

It processes input from the cortex, brain stem, and sensory receptors to coordinate movement

Question 17

Which of the following is a function of the pons?

Accepted Answer

Relay of impulses between motor cortex and cerebellum

Question 18

Which EEG wave pattern is most likely to be observed in a relaxed, awake adult?

Accepted Answer

Alpha waves ($$8-13\ \mathrm{Hz})$$

Question 19

Which of the following is TRUE regarding memory consolidation?

Accepted Answer

It involves fitting new facts into categories already stored in the cerebral cortex

Question 20

Which of the following is a characteristic of absence seizures?

Accepted Answer

Expression goes blank for a few seconds, commonly seen in children

Divisions and Functions of the Nervous System: Brain Structures and Higher Mental Functions

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