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Back to AI Flashcard MakerAnatomy and Physiology /Brain and Behavior Chapter 3: Anatomy of the Nervous System Part 1

Brain and Behavior Chapter 3: Anatomy of the Nervous System Part 1

Anatomy and Physiology25 CardsCreated about 1 month ago

This deck covers essential questions and answers about the anatomy of the nervous system, focusing on its divisions, functions, and components.

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The two major divisions of the nervous system are the

Peripheral Nervous System (PNS) and the Central Nervous System (CNS)

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Key Terms

Term
Definition

The two major divisions of the nervous system are the

Peripheral Nervous System (PNS) and the Central Nervous System (CNS)

The CNS is composed of two major divisions: the A) ANS and PNS B) brain and brain stem C) SNS and ANS D) spinal cord and brain stem
None of the above
The ANS is part of the
Peripheral Nervous System
The somatic nervous system A) is part of the PNS B) participates in sensory and motor interactions with the external environment C) is part of the ANS
Both A and B
In general, afferent nerves carry sensory information
To the CNS
Neurons of the sympathetic nervous system are part of the A) somatic nervous system B) basal ganglia C) ANS D) peripheral nervous system
Both C and D
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Brain and Behavior Chapter 3: Anatomy of the Nervous System Part 1
TermDefinition

The two major divisions of the nervous system are the

Peripheral Nervous System (PNS) and the Central Nervous System (CNS)

The CNS is composed of two major divisions: the A) ANS and PNS B) brain and brain stem C) SNS and ANS D) spinal cord and brain stem
None of the above
The ANS is part of the
Peripheral Nervous System
The somatic nervous system A) is part of the PNS B) participates in sensory and motor interactions with the external environment C) is part of the ANS
Both A and B
In general, afferent nerves carry sensory information
To the CNS
Neurons of the sympathetic nervous system are part of the A) somatic nervous system B) basal ganglia C) ANS D) peripheral nervous system
Both C and D
Which part of the PNS projects from only the cranial and sacral portions of the CNS?
Parasympathetic Nervous System
The sympathetic nervous system differs from the parasympathetic nervous system in that the sympathetic nervous system has
First-stage neurons that synapse at a substantial distance from the target organ
Which of the following generally acts to conserve the body’s energy?
Parasympathetic Nervous System
The first two cranial nerves are
Olfactory and optic nerves
The vagus nerve is A) part of the parasympathetic nervous system B) the tenth cranial nerve C) the longest cranial nerve D) both sensory and motor
All of the above
The dura mater, arachnoid membrane, and pia mater are
Meninges
From outside to inside, the three meninges are the
Dura, arachnoid, and pia
Adhering to the surface of the brain is the
Pia mater
The subarachnoid space is just outside the
Pia mater
How many ventricles are there in the brain?
4
The cerebrospinal fluid (CSF) circulates through the A) central canal B) lateral ventricles C) subarachnoid space
All of the above
The cerebral aqueduct connects the
Third and fourth ventricles
When a tumour near the cerebral aqueduct causes cerebrospinal fluid to accumulate in the brain, the disorder is
Hydrocephalus
The blood-brain barrier impedes the passage into cerebral neurons of
Many proteins and other large molecules
Neurons are specialized to receive, conduct, and transmit
Electrochemical signals
What part of a neuron is sometimes myelinated?
Axon
The neuron membrane includes A) a lipid bilayer B) channel proteins C) signal proteins
All of the above
Neurons with one axon and several dendrites emanating from the soma are classified as
Multipolar
Interneurons
Don’t conduct signals from one structure to another; they integrate activity within a single brain structure