Textbook Question
Mark the following statements as true or false. If the statement is false, correct it to make it a true statement.
Substances can move toward or away from the cell body through the axon via fast axonal transport.
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Ch. 12 The Central Nervous System
Amerman3rd EditionHuman Anatomy & PhysiologyISBN: 9780138247201, 9780138247928, 9780138201814
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Table of contents
- Ch. 1 Introduction to Anatomy and Physiology24
- Ch. 2 The Chemistry of Life37
- Ch. 3 The Cell54
- Ch. 4 Histology46
- Ch. 5 The Integumentary System30
- Ch. 6 Bones and Bone Tissue36
- Ch. 7 The Skeletal System40
- Ch. 8 Articulations19
- Ch. 9 The Muscular System35
- Ch. 10 Muscle Tissue and Physiology29
- Ch. 11 Introduction to the Nervous System and Nervous Tissue28
- Ch. 12 The Central Nervous System41
- Ch. 13 The Peripheral Nervous System41
- Ch. 14 The Autonomic Nervous System and Homeostasis31
- Ch. 15 The Special Senses39
- Ch. 16 The Endocrine System42
- Ch. 17 The Cardiovascular System I: The Heart28
- Ch. 18 The Cardiovascular System II: The Blood Vessels43
- Ch. 19 Blood32
- Ch. 20 The Lymphatic System and Immunity41
- Ch. 21 The Respiratory System27
- Ch. 22 The Digestive System27
- Ch. 23 Metabolism and Nutrition7
- Ch. 24 The Urinary System39
- Ch. 25 Fluid, Electrolyte, and Acid-Base Homeostasis39
- Ch. 26 The Reproductive System10
- Ch. 27 Development and Heredity5
Amerman3rd EditionHuman Anatomy & PhysiologyISBN: 9780138247201, 9780138247928, 9780138201814Not the one you use?Change textbook
Chapter 12, Problem 5b
Mark the following statements about the cerebral cortex as true or false. If a statement is false, correct it to make a true statement.
The cerebral cortex is composed of white matter.
Verified step by step guidance1
Step 1: Understand the structure of the cerebral cortex. The cerebral cortex is the outermost layer of the brain and is primarily composed of gray matter, not white matter. Gray matter consists of neuronal cell bodies, dendrites, and unmyelinated axons, while white matter is composed of myelinated axons that connect different parts of the brain.
Step 2: Analyze the statement provided in the problem. The statement claims that the cerebral cortex is composed of white matter.
Step 3: Determine whether the statement is true or false. Based on the information in Step 1, the statement is false because the cerebral cortex is composed of gray matter, not white matter.
Step 4: Correct the false statement to make it true. The corrected statement should read: 'The cerebral cortex is composed of gray matter.'
Step 5: Review the corrected statement to ensure it aligns with the anatomical and physiological facts about the cerebral cortex.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Cerebral Cortex Structure
The cerebral cortex is the outermost layer of the brain, primarily composed of gray matter, which consists of neuronal cell bodies. It plays a crucial role in various high-level functions such as perception, cognition, and motor control. Understanding its structure is essential for distinguishing it from the underlying white matter, which contains myelinated axons.
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3:15
Important Areas of the Cerebral Cortex
Gray Matter vs. White Matter
Gray matter refers to regions of the brain that are rich in neuronal cell bodies, while white matter consists mainly of myelinated axons that connect different brain regions. This distinction is vital for understanding brain anatomy and function, as each type of matter serves different roles in processing and transmitting information.
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2:41White & Gray Matter
Functions of the Cerebral Cortex
The cerebral cortex is involved in numerous complex functions, including sensory perception, decision-making, and voluntary motor actions. It is divided into different lobes, each associated with specific functions, such as the occipital lobe for vision and the frontal lobe for executive functions. Recognizing these functions helps clarify the importance of the cerebral cortex in overall brain activity.
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4:49Functional Areas of the Cerebral Cortex
Related Practice
Textbook Question
Mark the following statements about the cerebral cortex as true or false. If a statement is false, correct it to make a true statement.
The prefrontal cortex is located in the frontal lobe and is concerned with movement.
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Textbook Question
Mark the following statements about the cerebral cortex as true or false. If a statement is false, correct it to make a true statement.
The primary visual cortex is located in the occipital lobe.
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Textbook Question
An axon is best defined as a process that:
a. Transmits signals only toward the cell body.
b. Can generate action potentials.
c. Transmits signals only away from the cell body.
d. Cannot generate action potentials
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Textbook Question
Mark the following statements about the cerebral cortex as true or false. If a statement is false, correct it to make a true statement.
The neocortex is the 'newest' component of the cerebral cortex from an evolutionary perspective.
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Textbook Question
The myelinated segment of an axon that is covered by a glial cell is called a/an ________; the gaps between glial cells where the axolemma is exposed are called ________.
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