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PSB STATE MANDATED QUIZ ACTUAL FULL EXAM QUESTIONS WITH CORRECT ANSWERS GUARANTEED PASS.
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What is the function of dendrites? - correct answer part of the neuron that receives electrical messages that are either excitatory or inhibitory What is the function of an Axon? - correct answer part of the neuron that ca...

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  • November 19, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • psb state mandated quiz

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  • PSMNB
  • PSMNB

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PSB STATE MANDATED QUIZ

What is the function of dendrites? - correct answer part of the neuron that receives
electrical messages that are either excitatory or inhibitory



What is the function of an Axon? - correct answer part of the neuron that carries
nerve impulses away from the cell body to transmit information to other neurons (muscles and glands)



What factors alter the speed of an action potential traveling down an axon? - correct answer
Temperature - The higher the temperature, the faster the speed.



Axon diameter - The larger the diameter, the faster the speed.



Myelination- encasing of an axon with a myelin sheath... increases speed



What is a brief electrical charge that travels down the axon of a neuron called? - correct answer
An action potential



Neurotransmitters are released from vesicles located on knob-like terminals at the end of what? -
correct answer The Axon



The depolarization of a neural membrane can create what? - correct answer Action
potential

axons



Graded potential if you're talking about dendrites



An axon transmits messages __________ the cell body and a dendrite transmits messages ___________
the cell body - correct answer Away from

, Towards



What is a synapse? - correct answer It is a junction between two neurons, consisting
of a minute gap across which impulses pass by diffusion of a neurotransmitter.



What are the chemical messengers released into the spatial junctions between neurons called? - correct
answer Neurotransmitters



What is responsible for the generation of an action potential? - correct answer A
threshold stimulus, a flow of electrically charged ions across the cell membrane.



A general function of the hypothalamus is the regulation of what? - correct answer
Biological urges = homeostasis, survival, reproduction, feeding, etc.



What part of the brain might you suspect had suffered a stroke if a person's basic emotions and
behaviors suddenly change? - correct answer The Limbic system, amygdala



The somatosensory cortex of the LEFT hemisphere will primarily respond to stimulation of _______ on
_________ side of body. - correct answer Sensory Neurons

- skin

- touch

- pain

- temperature



Right



For most people, a brain area that is important for understanding speech is the? - correct answer
Left temporal Lobe (Wernicke's area)



During a typical stress response, the hypothalamus stimulates pituitary tropic hormone release, which
activates the? - correct answer Adrenal Cortex

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