$$\text{Mass}_{cortex} = 0.4 \times \text{Mass}_{brain}$$

$$\text{Capacity}_{STM} \u003c \text{Capacity}_{LTM}$$

Question 1

Which structure is primarily responsible for relaying sensory impulses to the cerebral cortex for interpretation?

Accepted Answer

Thalamus

Question 2

A patient presents with the inability to speak but can understand spoken language. Which area of the brain is most likely damaged?

Accepted Answer

Broca's area

Question 3

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

Accepted Answer

Occipital lobe

Question 4

Which of the following best describes the function of the cerebellum?

Accepted Answer

Coordinates voluntary movements and balance

Question 5

Which equation correctly represents the relationship between the number of paired spinal nerves and spinal cord segments?

Accepted Answer

$$N_{spinal	ext{ nerves}} = 31$$

Question 6

Damage to which area would most likely result in loss of conscious awareness of balance?

Accepted Answer

Vestibular cortex

Question 7

Which of the following is NOT a function of the hypothalamus?

Accepted Answer

Secretion of melatonin

Question 8

Which brain region is most involved in the storage and retrieval of declarative memory?

Accepted Answer

Cerebral cortex

Question 9

Which of the following statements about gray and white matter in the CNS is correct?

Accepted Answer

Gray matter consists mainly of neuron cell bodies and nonmyelinated axons

Question 10

A patient with damage to the somatosensory association cortex would most likely have difficulty with which of the following?

Accepted Answer

Integrating sensory inputs to recognize objects by touch

Question 11

Which structure secretes melatonin to help regulate the sleep-wake cycle?

Accepted Answer

Pineal gland

Question 12

Which of the following best explains the concept of cerebral lateralization?

Accepted Answer

Certain functions are specialized to one hemisphere

Question 13

Which equation best represents the mass percentage of the cerebral cortex in the brain?

Accepted Answer

$$	ext{Mass}_{cortex} = 0.4 	imes 	ext{Mass}_{brain}$$

Question 14

Which of the following is a function of the medulla oblongata?

Accepted Answer

Regulates blood vessel diameter for blood pressure

Question 15

Which area of the cerebral cortex is responsible for planning and executing voluntary movements?

Accepted Answer

Primary motor cortex

Question 16

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

Accepted Answer

Processes emotional responses and memory

Question 17

Which equation represents the relationship between short-term memory (STM) and long-term memory (LTM) capacity?

Accepted Answer

$$	ext{Capacity}_{STM} \u003c 	ext{Capacity}_{LTM}$$

Question 18

Which of the following is NOT a function of the brain stem?

Accepted Answer

Processes higher-order thinking and decision making

Question 19

Which area of the brain is most likely to be affected in a patient who cannot recognize familiar faces but can describe their features?

Accepted Answer

Visual association area

Question 20

Which of the following best describes the function of the multimodal association areas?

Accepted Answer

Integrate diverse information to give meaning and decide actions

Question 21

Which equation best represents the direction of information flow in the spinal cord's white matter?

Accepted Answer

$$	ext{Ascending}: 	ext{Sensory inputs} \, ightarrow \, 	ext{Higher centers}$$

Central Nervous System: Structure and Function (Chapter 12, Part A)

Study Guide - Practice Questions