Exam 3- Nurs 617 THIS YEAR MAIN EXAM , QUESTIONS AND CORRECT ANSWERS
8 views 0 purchase
Course
Nurs 617
Institution
Nurs 617
Exam 3- Nurs 617 THIS YEAR MAIN EXAM ,
QUESTIONS AND CORRECT ANSWERSExam 3- Nurs 617 THIS YEAR MAIN EXAM ,
QUESTIONS AND CORRECT ANSWERSExam 3- Nurs 617 THIS YEAR MAIN EXAM ,
QUESTIONS AND CORRECT ANSWERSExam 3- Nurs 617 THIS YEAR MAIN EXAM ,
QUESTIONS AND CORRECT ANSWERSExam 3- Nurs 617 THIS Y...
Exam 3- Nurs 617 THIS YEAR MAIN EXAM ,
QUESTIONS AND CORRECT ANSWERS
Functions of the nervous system (4) - ANSWER-- Detecting,
analyzing and transmitting information
o Provides foundation for intelligence, anticipation, and
judgment
o Controls skeletal muscle movement
o Helps to regulate cardiac and visceral smooth activity
Definition of Neurons - ANSWER-functional cells that conduct
impulses to other nerve cells, muscles, or gland cells
Three parts of a neuron - ANSWER-cell body, dendrites, axon
What does the cell body do? - ANSWER-- Soma- nucleus- DNA
and genetic codes
- Cell activity
- Metabolic activities
What do dendrites do? - ANSWER-conduct info to cell body
§ Extension of cell body that brings info into the cell body
,Exam 3- Nurs 617 THIS YEAR MAIN EXAM ,
QUESTIONS AND CORRECT ANSWERS
What does the axon do? - ANSWER-Long projections from the
cell body (normally only one) that pass nerve impulses
Function of neuroglial cells - ANSWER-- provide protection,
regulate blood flow and metabolic support for the neurons
o Form the myelin sheath from oligodendrocytes and Schwan
cells
§ Helps with the transmission of electrical impulses along the
nerve cells
Neuroglial cells of the central nervous system - ANSWER-
oligodendrocytes
Neuroglial cells of the peripheral nervous system - ANSWER-
Satellite
What do astrocytes do? - ANSWER-help to form the blood-brain
barrier, which prevents the entrance of toxic materials from the
blood to the brain
Major fuel source for the brain? - ANSWER-Glucose
,Exam 3- Nurs 617 THIS YEAR MAIN EXAM ,
QUESTIONS AND CORRECT ANSWERS
Afferent - ANSWER-sensory- transmit information to the CNS
Efferent - ANSWER-Motor carry information away from the CNS
Pathway of chemical synaptic transmission - ANSWER-
presynaptic release of chemical messenger (neurotransmitters)
-> placed in vesicle within the synaptic cleft-> postsynaptic
structures -> neurotransmitter removal
Two amino acid neurotransmitters - ANSWER-Glutamate and
GABA
Function of GABA - ANSWER-main inhibitory messenger
(vision/motor/anxiety)
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 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 these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller kinyuascholar91. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $15.99. You're not tied to anything after your purchase.
