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NUR 611 Exam 2 questions with verified solutions graded A+
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NUR 611 Exam 2 questions with verified solutions graded A+
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NUR 611 Exam 2 questions with verifiedsolutions graded A+
What makes up the autonomic nervous system? - correct answer ✔✔Sympathetic and parasympathetic
nervous system
What is the parasympathetic nervous system responsible for? - correct answer ✔✔Conserving energy
and the body's resources
What is the sympathetic nervous system responsible for? - correct answer ✔✔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? - correct answer ✔✔Focal or diffuse
What are focal brain injuries? - correct answer ✔✔Specific, grossly observable lesions that occur in a
precise location
What are examples of focal brain injuries? - correct answer ✔✔Epidural hemorrhage and subdural
hemorrhage
What are examples of diffuse brain injuries? - correct answer ✔✔Hypoxia, meningitis, encephalitis, and
damage to blood vessels
What can happen with increased intracranial pressures? - correct answer ✔✔Collateral dysfunction such
as Diabetes Insipidus
, What are characteristics of autonomic hyperreflexia? - correct answer ✔✔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? - correct answer
✔✔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
What are the onset of delirium and dementia? - correct answer ✔✔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? - correct answer ✔✔UTI, thyroid disorders, hypoxia,
hypoglycemia, toxicity, fluid-electrolyte imbalance, renal insufficiency, trauma, multiple medications
What conditions are associated with dementia? - correct answer ✔✔May have no other conditions
What is the course of delirium? - correct answer ✔✔Fluctuates and remits with treatment
What is the course with dementia? - correct answer ✔✔chronic slow decline
What is the duration of delirium? - correct answer ✔✔Hours to weeks
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