Maryville Patho NURS 611 Exam 2
QUESTIONS AND VERIFIED ANSWERS (COMPLETE SOLUTIONS)
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1. Body system responsible for conserving energy and Parasympathetic nervous
body resources system
2. Body system that responds to stress by preparing the Sympathetic nervous sys-
body to defend itself tem (SNS)
3. blood flow to the muscles is increased while blood how is blood flow re-
flow to GI and integumentary is decreased distributed by the sym-
pathetic nervous system
(SNS)
4. Focal or diffuse (aka multifocal) how are primary brain in-
juries classified
5. specific, grossly observable brain lesions that occur in focal brain injuries
a precise location
Epidural and subdural hemorrhages
6. include brain injury due to hypoxia, meningitis, en- diffuse brain injuries
cephalitis, 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)
7. affected at the t5-t6 level or above; characterized by autonomic hyperreflexia
paroxysmal HTN (up to 300 mmHg systolic), a pound-
ing headache, blurred vision, sweating above the level
of the lesion with flushing of the skin, nasal conges-
tion, nausea, piloerection caused by pilomotor spasm,
and bradycardia (30-40 beats/min)
8. individual most likely to be affected have lesions at the
T5-T6 level or above
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location of lesions in cases
of autonomic hyperreflex-
ia
9. bradycardia (30-40bpm) is a sx of hyperreflexia sequence of events that
Stimulation of the carotid sinus -->vagus nerve lead to hyperreflexia in-
-->sinoatrial (SA) node. The intact ANS reflexively re- duced bradycardia
sponds with an arteriolar spasm that increases blood
pressure. Baroreceptors in the cerebral vessels, the
carotid sinus, and the aorta sense the HTN and stimu-
late the PNS. The heart rate decreases, but the visceral
and peripheral vessels do not dilate because efferent
impulses cannot pass through the cord
10. leading cause of dementia and one of the most com- Alzheimer's disease
mon causes of severe cognitive dysfunction in older
adults
11. age, family history what are the greatest risk
factors for Alzheimer's dis-
ease
12. low calorie diets, estrogen replacement at time of what are the proposed
menopause, NSAIDs, physical activity, antioxidants, protective factors for
the presence of apoE2 Alzheimer's disease
13. PSEN 1 (presenilin) on chromosome 14, PSEN 2, and what genetic susceptibility
APP (amyloid precursor protein) on chromosome 21 tests are used to screen for
early-onset AD
14. postmortem examination When can a specific diag-
nosis of AD be given
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15. hypertension (87% of occurrences) what is the single greatest
risk factor for stroke
16. arterial HTN, insulin resistance and DM, elevated cho- what are common risk fac-
lesterol or low high density lipoprotein (HDL), elevat- tors for stroke
ed lipoprotein- A level, hyperhomocysteinemia, con-
gestive heart disease and PVD, asymptomatic carotid
stenosis, polycythemia and thrombocythemia, a-fib,
postmenopausal hormone therapy, high sodium in-
take above 2300mg, low potassium intake less than
4700mg, smoking, lack of physical activity, obesity,
chronic sleep deprivation
17. Guillain-Barre syndrome which autoimmune dis-
ease typically presents 2-4
weeks following a bacte-
rial/viral infection such as
respiratory or GI illness
(ex: flu)
18. typical first manifestations are numbness, pain, pares- Describe the progression
thesias, or weakness in the limbs. Paresis/paralysis of Guillain-Barre symp-
may present in an ascending pattern toms
19. weakness usually plateaus or improves by the 4th when can improvement
week in 90% of cases be expected with Guil-
lain-Barre
20. a chronic autoimmune disease that is mediated by Myasthenia Gravis
Ach receptor antibodies that act at the neuromuscular
junction. The antibodies prevent normal reception for
muscle contraction