PSB STATE MANDATED QUIZ ACTUAL FULL EXAM QUESTIONS WITH CORRECT ANSWERS GUARANTEED PASS.
4 views 0 purchase
Course
PSMNB
Institution
PSMNB
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...
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
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through EFT, credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying this summary from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller RealGrades. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy this summary for R242,25. You're not tied to anything after your purchase.
