Maryville Patho NURS 611 Exam 2 2022 questions and answers all correct
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Maryville Patho NURS 611
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Maryville Patho NURS 611
Maryville Patho NURS 611 Exam 2Maryville Patho NURS 611 Exam 2
Which body system is responsible for conserving energy and body resources
Correct Answer: Parasympathetic nervous system
which system responds to stress by preparing the body to defend itself
Correct Answer: Sympathetic nerv...
which body system is responsible for conserving energy and body resources
which system responds to stress by preparing the body to defend itself
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Maryville Patho NURS 611 Exam 2
Which body system is responsible for conserving energy and body resources
Correct Answer: Parasympathetic nervous system
which system responds to stress by preparing the body to defend itself
Correct Answer: Sympathetic nervous system (SNS)
how is blood flow redistributed by the sympathetic nervous system (SNS)
Correct Answer: blood flow to the muscles is increased while blood flow to GI and integumentary is decreased
how are primary brain injuries classified
Correct Answer: focal or diffuse (aka multifocal)
focal brain injuries
Correct Answer: specific, grossly observable brain lesions that occur in a precise location
Epidural and subdural hemorrhages
diffuse brain injuries Correct Answer: include brain injury due to hypoxia, meningitis, encephalitis, and damage to
blood vessels
The brain is confined in a limited space so increased pressure can cause collateral dysfunction: Diabetes Insipidus
(ADH not secreted thus polyuria)
autonomic hyperreflexia
Correct Answer: characterized by paroxysmal HTN (up to 300 mmHg systolic), a pounding headache, blurred vision,
sweating above the level of the lesion with flushing of the skin, nasal congestion, nausea, piloerection caused by
pilomotor spasm, and bradycardia (30-40 beats/min)
location of lesions in cases of autonomic hyperreflexia
Correct Answer: individual most likely to be affected have lesions at the T5-T6 level or above
sequence of events that lead to hyperreflexia induced bradycardia
Correct Answer: bradycardia (30-40bpm) is a sx of hyperreflexia
Stimulation of the carotid sinus -->vagus nerve -->sinoatrial (SA) node. The intact ANS reflexively responds with an
arteriolar spasm that increases blood pressure. Baroreceptors in the cerebral vessels, the carotid sinus, and the
aorta sense the HTN and stimulate the PNS. The heart rate decreases, but the visceral and peripheral vessels do
not dilate because efferent impulses cannot pass through the cord
Alzheimer's disease
Correct Answer: leading cause of dementia and one of the most common causes of severe cognitive dysfunction in
older adults
what are the greatest risk factors for Alzheimer's disease
Correct Answer: age, family history
what are the proposed protective factors for Alzheimer's disease
Correct Answer: low calorie diets, estrogen replacement at time of menopause, NSAIDs, physical activity,
antioxidants, the presence of apoE2
what genetic susceptibility tests are used to screen for early-onset AD
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