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Exam (elaborations)

CVICU Flashcards Exam Questions And Answers

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SVO2 - ANS gives us info about balance between oxygen delivery and oxygen consumption in the body SVO2 normal values - ANS 60-80% SVO2 <60% - ANS considered low SVO2 >80% - ANS considered high SVO2 <60% - ANS decreased oxygen delivery (ox...

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  • November 16, 2024
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  • Exam (elaborations)
  • Questions & answers
  • ICU / CVICU
  • ICU / CVICU
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DocLaura
UNT Bio 1720 Exam 2 (nicoladie tam)
Questions And Answers


When Ca++ ions enter the axon terminal, what will it produce? - ANS Neurotransmitter
released by exocytosis

What type of synapse has synaptic vesicles? - ANS Chemical Synapses

Which synapses is the fastest without any synaptic delay? - ANS Electrical Synapses

If the diameter of the axon is increased, what would happen? - ANS Increase conduction
velocity

which nerve fiber has the fastest conduction velocity? - ANS A-fiber

What happens to the post-synaptic neuron when the excitatory synapse is activated? - ANS
Depolarization

When an axon is demyelinated, what would it lead to? - ANS It will lead to the slowing of
conduction velocity and even conduction failure sometimes

What prevents action potentials from backfiring when it reaches the axon terminal? - ANS
refractory period

When you are confronted with a trigger, it will trigger a fight or flight reflex. What would be the
physiological response? - ANS Increase heart rate and breathing rate

What is the function of the synaptic vesicles? - ANS Stores the Neurotransmitter

Which part of the nervous system is activated to prove the flight or flight response in response
to acute stress (such as when you get fired from job)? - ANS Sympathetic nervous system

Bipeds (2 legged animals) have a strong stretch (knee jerk) reflex that allows them to maintain
upright posture. which reflex are (circulatory) is involved in exciting the extensor muscles. - ANS
Monsynaptic reflex

Neurotransmitters release by exocytosis process is initiated by entry of which ions into axon
terminals. - ANS Ca++ ions

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