Chapter 12 - Simple Questions
Neuroscience Fundamentals Quiz
Test your knowledge with this comprehensive quiz on the fundamentals of the nervous system! With 25 carefully crafted multiple-choice questions covering the structure and fun
Whether you're a student preparing for exams or simply someone curious about neuroscience, this quiz is designed for you. Dive into:
- Neuronal structure and types
- Fun
ctions of glial cells - Conduction of nerve impulses
- Neuronal circuits and synapses
Structurally, the nervous system consists of which two subdivisions?
Somatic and Visceral
Somatic and Autonomic
Central and Peripheral
Sensory and Motor
Clusters of neuron cell bodies located outside the CNS are called?
Centers
Ganglia
Nuclei
Nerves
Which functional division of the nervous system includes the SNS and ANS?
Sensory
Motor
Central
Peripheral
In the PNS, components of afferent division include?
Interneurons
Motor Neurons
Sensory Neurons
All of the above
Which effectors are innervated by visceral motor neurons?
Cardiac muscle, smooth muscle, and glands
Somatic effectors, other than skeletal muscle
Skeletal muscle, skin and joints
Interneurons of the CNS
The two distinct cell types that compose all nervous tissue are?
Microglia and Astrocytes
Neurons and Glial Cells
Satellite cells and neurolemmocytes
Oligodendrocytes and ependymal cells
The slightly expanded tips of telodendria are called?
Synaptic Knobs
Synapses
Axon terminal
Axon collaterals
Structural categories of neurons include which of the following?
Sensory, motor and interneurons
Unipolar, bipolar, and multipolar
Afferent, association, and efferent
All of the above
Neurons with numerous dendrites and a single axon are structurally classified as?
Association Neurons
Multipolar Neurons
Motor Neurons
Pseudounipolar Neurons
Efferent neurons transmist nerve impulses.
Between interneurons in the CNS
From sensory receptors to the CNS
From the CNS to muscles or glands
From the spinal cord to the brain
Collectively, glial cells do all of the following EXCEPT
Physically protect and help nourish neurons
Guide young migrating neurons during development
Provide and supporting framework for all nervous tissue
Synthesize neurotransmitters and conduct nerve impulses
The word root glia, as in "glial cells," most nearly mean?
Star
Small
Glue
Clasp
Which pair names ONLY neuroglia of the central nervous system?
Astrocytes and interneurons
Ependymal cells and astrocytes
Microglia and neurolemmocytes
Oligodendrocytes and satellite cells
Which description refers to oligodendrocytes?
Small cells with slender branches from the cell body
Large, star-shaped cells with numerous cells processes
Large, bulbous cells with slender cytoplasmic extensions
Flattened cells wrapped around axons to form myelin
The largest and most abundant of the CNS glial cells, ______ help form the blood-brain barrier.
Astrocytes
Oligodendrocytes
Neurolemmocytes
Ependymal Cells
Which type of glial cells are found in the peripheral nervous system?
Oligodendrocytes and astrocytes
Microglia and ependymal cells
Neurolemmocytes and satellite cells
All of the above
Which term describes the collection of the lipids and proteins that may form a protective coating around an axon?
Neurofibril
Myelin
Node of Ranvier
Endoneurium
Myleination affects nerve impulse conduction in which of the following ways?
Allows saltatory conduction form one neurofibril node to the next
Permits nerve impulses to travel continuously along the entire axon
Slows the nerve impulse by exposing only limited parts of the axon
All of the above
Nerves are buddies of parallel axons in the PNS that have three successive connective tissue wrappings, call the?
Endoneurium, perineurium and epineurium
Endomyisum, perimysium and epimysium
Deep fascia, subserous fascia, and superficial fascia
Pia meter, arachnoid layer, and dura mater
The point at which two excitable cells contact to exchange information is called a?
Flash point
Gap junction
Neurofibril node
Synapse
The synaptic knob of a neuron may contact another neuron anywhere except on its?
Dendrites
Cell Body
Myelin Sheath
Synaptic Knob
At a chemical synapse, the presynaptic membrane releases a signaling molecule called a?
Synaptic Enzyme
Nerve Impulse
Hormone
Neurotransmitter
Which of the following is NOT a step in the conduction of a nerve impulse across a chemical synapse?
The nerve impulse causes an influx of Ca2+ ions into the synaptic knob
Calcium ions entering the synaptic cleft cause the endocytosis of synaptic vesicles
Neurotransmitter molecules diffuse across the synaptic cleft to the postsynaptic cell
A voltage change in the postsynaptic cell triggers a nerve impulse to being there
Which description DOES NOT accurately characterize neuronal pools?
Consist of complex patters of interconnected neurons
Have limited number of input sources and output destinations
May be localized or distributed in several different regions of the CNS
Have numerous types of circuits defined by structural features
All of the following are types of neuronal circuits EXCEPT?
Converging
Diverging
Proliferating
Reverberating
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