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NUR 611 Exam 2 Questions and Correct Answers | Latest Updat

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  • NUR 611
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  • NUR 611

What makes up the autonomic nervous system? → Sympathetic and parasympathetic nervous system What is the parasympathetic nervous system responsible for? → Conserving energy and the body's resources What is the sympathetic nervous system responsible for? → Catecholamine release - Epinephr...

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  • September 21, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NUR 611
  • NUR 611
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NUR 611 Exam 2 Questions and Correct
Answers | Latest Update
What makes up the autonomic nervous system?


→ Sympathetic and parasympathetic nervous system



What is the parasympathetic nervous system responsible for?


→ Conserving energy and the body's resources



What is the sympathetic nervous system responsible for?


→ Catecholamine release - Epinephrine



Mobilizing energy stores and decreasing release of insulin




Redistributing blood low - Increasing to muscles and lungs (flight) and decreasing to

GI/Integumentary




What are the classifications of primary brain injury?


→ Focal or diffuse



What are focal brain injuries?


→ Specific, grossly observable lesions that occur in a precise location



What are examples of focal brain injuries?

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→ Epidural hemorrhage and subdural hemorrhage



What are examples of diffuse brain injuries?

→ Hypoxia, meningitis, encephalitis, and damage to blood vessels



What can happen with increased intracranial pressures?

→ Collateral dysfunction such as Diabetes Insipidus



What are characteristics of autonomic hyperreflexia?

→ Paroxysmal hypertension, pounding headache, blurred vision, sweating above level
of lesion with flushing of skin, nasal congestion, nausea, piloerection causes by
pilomotor spasm, and bradycardia.



What is the sequence of events leading to hyperreflexia induced bradycardia?

→ Stimulation of the carotid sinus nerve to the sinoatrial nose



The intact autonomic nervous system reflexively responds with arteriolar spasm that increases

blood pressure




Baroreceptors in the cerebral vessels, carotid sinus, and aorta sense the hypertension and

stimulation the parasympathetic nervous system




The heart rate decreases, but the visceral and peripheral vessels do not dilate because

efferent impulses cannot pass through the cord


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What are the onset of delirium and dementia?


→ Delirium - acute and common during hospitalization



Dementia - usually insidious and can be acute in situations such as trauma or stroke




What conditions are associated with delirium?


→ UTI, thyroid disorders, hypoxia, hypoglycemia, toxicity, fluid-electrolyte imbalance,
renal insufficiency, trauma, multiple medications



What conditions are associated with dementia?

→ May have no other conditions



What is the course of delirium?


→ Fluctuates and remits with treatment



What is the course with dementia?


→ chronic slow decline



What is the duration of delirium?


→ Hours to weeks



What is the duration of dementia?



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