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Ch. 12 The Central Nervous System
Amerman - Human Anatomy & Physiology 2nd Edition
Amerman2nd EditionHuman Anatomy & PhysiologyISBN: 9780136873822Not the one you use?Change textbook
All textbooksAmerman 2nd EditionCh. 12 The Central Nervous SystemProblem 2d
Chapter 12, Problem 2d

Mark the following statements about the brain as true or false. If a statement is false, correct it to make a true statement.
The cerebrum is responsible for our basic, involuntary functions and reflexes.

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Step 1: Understand the function of the cerebrum. The cerebrum is the largest part of the brain and is primarily responsible for higher brain functions such as thought, memory, voluntary movement, sensory processing, and decision-making. It is not responsible for basic, involuntary functions and reflexes.
Step 2: Identify the part of the brain responsible for basic, involuntary functions and reflexes. These functions are primarily controlled by the brainstem (which includes the medulla oblongata, pons, and midbrain) and the cerebellum. The brainstem regulates vital functions like breathing, heart rate, and reflexes.
Step 3: Evaluate the statement provided. The statement 'The cerebrum is responsible for our basic, involuntary functions and reflexes' is false because it incorrectly attributes these functions to the cerebrum instead of the brainstem.
Step 4: Correct the false statement. The corrected statement should read: 'The brainstem is responsible for our basic, involuntary functions and reflexes.'
Step 5: Review the corrected statement and ensure it aligns with anatomical and physiological knowledge. Confirm that the cerebrum is associated with higher brain functions and the brainstem with involuntary functions and reflexes.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Cerebrum Function

The cerebrum is the largest part of the brain and is primarily responsible for higher brain functions, including thought, action, and sensory processing. It is involved in voluntary movements, reasoning, problem-solving, and emotions, rather than basic involuntary functions.
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Involuntary Functions

Involuntary functions are controlled by the autonomic nervous system and include processes such as heart rate, digestion, and reflex actions. These functions are managed by the brainstem and other subcortical structures, not the cerebrum.
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Brain Structure Overview

The brain is divided into several key structures, including the cerebrum, cerebellum, and brainstem. Each part has distinct roles; for example, the brainstem controls basic life functions, while the cerebrum handles complex cognitive tasks.
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Related Practice
Textbook Question

Mark the following statements about the brain as true or false. If a statement is false, correct it to make a true statement.

The four main components of the brain are the cerebrum, the diencephalon, the cerebellum, and the brainstem.

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Mark the following statements about the brain as true or false. If a statement is false, correct it to make a true statement.

The right and left lateral ventricles are the largest of the ventricles in the brain and are located in the diencephalon.

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Textbook Question

Mark the following statements about the brain as true or false. If a statement is false, correct it to make a true statement.

Humans use only 10% of their brains.

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