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NR 602 Midterm Exam Study Guide / NR602 Midterm Exam Study Guide(V2)_Template (NEWEST, 2021) : Chamberlain College of Nursing (Download to score A)$16.49
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nr 602 midterm exam study guide nr602 midterm exam study guidev2template newest
2021 chamberlain college of nursing
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Chamberlain College Of Nursing
NR 602 / NR602 (NR602/NR602)
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NR 602 Midterm Exam Study Guide
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1. Asthma – all levels of severity
What are s/s of asthma?
Wheezing
Continuous/persistent cough
Long expir. phase
Diminished breath sounds
Signs of resp. distress
Tachypnea
Retractions
Nasal flaring
Accessory muscles
Apprehension
Drowsiness
Tachycardia
Cyanosis of lips
How is asthma dx'd?
O2 sat
PFT:
-Spirometry
-FEV1: normal >75%, mild 60-75%, mod 50-59%, severe <49%.
-FVC: normal 80-120%, mild 70-79%, mod 50-69%, severe <50%.
What are mild asthma s/s?
Wheezing @ end of expiration or no wheezing
No/min intercostal retraction along post. axil. line
Slight prolongation of exp. phase
Normal aeration in all lung fields
Can talk in sentences
What are moderate asthma s/s?
Wheezing throughout expiration
Intercostal retractions
Prolonged expiratory phase
Decreased breath sounds at base
What are severe asthma s/s?
Use of accessory muscles plus lower rib/suprasternal retractions
Nasal flaring
Inspir/expir. wheezing or no wheezing heard w/poor air exchange
Blepharitis
What is blepharitis?
Inflammation/infection of the lid margins (chronic problem)
,2
What are the two types of blepharitis?
Seborrheic (non-ulcerative)
Ulcerative
What can cause seborrheic blepharitis?
Irritants (smoke, makeup, chemicals)
What are s/s of seborrheic blepharitis?
Chronic inflammation of eyelid
Erythema
Greasy scaling of anterior eyelid
Loss of eyelashes
Seborrheic dermatitis of eyebrows/scalp
What usually causes ulcerative blepharitis?
Infection w/staph or strep
What are s/s of ulcerative blepharitis?
Itching
Tearing
Recurrent styes
Chalazia
Photophobia
Small ulceration at eyelid margin
Broken/absent eyelashes
Most frequent complaint: ongoing eye irritation, conjunctiva redness
What is the treatment for blepharitis?
Clean w/baby shampoo 2-4 times/day
Warm compresses
Lid massage (right after warm massage)
How are infected eyelids with blepharitis treated?
Antistaph abx: bacitracin, erythromycin 0.05% x1 wk and quinolone ointments
How is blepharitis infection resistant to topical abx treated?
Tetracycline 250mg PO x4
Doxy 100mg PO x2
Café au lait spot
What are cafe au lait spots?
Smooth, regular borders of darkened patch
If a child has >5 cafe au lait spots that are >1.5cm, what should be suspected?
Possible Von Recklinghausen's dz (90-100%)
LEOPARD syndrome:
-Lentigines
-Electrographic abnormalities
-Ocular hypertelorism
-Pulmonary stenosis
-Abnormalities of genitalia
-Retardation of growth
-Deafness
In kids <5yo with 5 or more cafe au lait spots of at least 0.5cm, what should be suspected?
Neurofibromatosis
,3
What is a rare but diagnostic sign of neurofibromatosis?
Smaller 1-4cm diameter cafe au lait spots in axillae (axillary freckling or Crow's sign)
Celiac Disease
Malabsorption syndromes can be caused by many different genetic, congenital, and
acquired conditions and usually lead to an initial decrease in weight followed by a
deceleration in height velocity.
Celiac disease is an immune-mediated systemic disorder triggered by dietary exposure
to wheat gluten and related proteins in barley and rye.
It is characterized by the presence of a variable combination of gluten-dependent
clinical manifestations, celiac disease–specific antibodies, HLA-DQ2.5 or HLA-DQ8
haplotypes, and enteropathy.
Celiac disease has a worldwide distribution with overall prevalence of 1%
Risk factors
o Demographic changes
o Increased gluten exposure
o infants born by cesarean section;
o The most typical presentation occurs between 6 months and 2 years old.
Parent reported gastroenteritis occurring at the time gluten was introduced into the child's diet
does not appear to be associated with celiac disease.
Clinical Findings
• Chronic or intermittent diarrhea, persistent or unexplained GI symptoms (e.g., nausea and
vomiting), sudden or unexpected weight loss, and prolonged fatigue.
• Delayed puberty can coexist with malabsorption, Impaired growth, FTT, unexplained
iron deficiency anemia, abdominal distention, bloating or cramping pain
• May have no symptoms at all despite evidence of small bowel changes;
maintain a high suspicion for celiac disease in children with metabolic bone disease (such
as rickets or osteomalacia), low-trauma fractures, or those with dental enamel defects.
An estimated 85% to 90% of individuals with celiac disease are undiagnosed
• Pallor, fatigue, hair and dermatologic abnormalities, digital clubbing, dizziness, cheilosis,
glossitis, peripheral neuropathy (symptoms of vitamin deficiency seen with
malabsorption), Skinfold thickness and lean body mass
Diagnostic Studies
• See chronic diarrhea tests
Specific Tests for Celiac Disease
• Serologic testing should be done if there is clinical suspicion of celiac disease, the child
has an associated disorder, or there is a first-degree relative with celiac disease.
• Gluten should be eaten in more than one meal every day for 6 weeks prior to testing.
• Recommended serologic tests include IgA tissue transglutaminase antibody (tTGA) and
IgA endomysial antibody (EMA) because of their high sensitivity and specificity
• EMA is more expensive and less accurate in children younger than 2 years old
• Home blood testing is not recommended
• If serologic testing is positive, refer for endoscopy with biopsy for a definitive diagnosis,
although colonoscopy may not be necessary if the tTGA level is greater than 100
units/mL
• Careful follow-up of growth parameters, tTGA testing after 6 months of gluten-free diet
(GFD), and then yearly
, 4
• Bone density testing (bone problems may be first symptom of celiac disease).
Management
Celiac Disease
• A strict GFD for life is currently the only effective treatment for celiac disease.
• The standard for being gluten-free is a limit of 20 ppm of gluten
• Adding pure oats to a GFD can improve palatability and increase fiber and vitamin B
intake without causing a systemic or autoantibody response
Complications and Prognosis
• Growth failure is the primary complication of celiac disease.
• risk for fractures and osteoporosis (due to reduced bone mineral density), lymphoma,
autoimmune diseases (e.g., type 1 diabetes, thyroid disorders), primary biliary
cirrhosis, and primary sclerosing cholangitis.
• Sensory peripheral neuropathy may be related to gluten
• Celiac crisis consisting of abdominal distention, explosive watery diarrhea,
dehydration with hypoproteinemia, electrolyte imbalance, hypotensive shock, and
lethargy, although rare, can be the first indication of celiac disease.
Chalazions
What is a chalazion? Benign, chronic lipogranulomatous inflammation of the eyelid
What causes a chalazion? Blockage of the meibomian gland
What puts a person at risk for a chalazion?
Hordeolum or any condition which may impede flow through the meibomian
gland.
Mite species that reside in lash follicles.
What are physical exam findings for a chalazion?
Painless
Does NOT involve lashes
Lid edema or palpable mass
Red or grey mass on inner aspect of lid margin
What is prevention for chalazion? Good eye hygiene
What is treatment for chalazion? Warm, moist compresses 3x a day
If secondarily infected: sulfacetamide or erythromycin
What is the follow-up for chalazion?
In 2-4 weeks
If still present after 6wks, follow up w/ophthalmologist
Clostridium difficile
Incubation UNKNOWN
S/S
• Variety of symptoms and severity are seen: mild to explosive diarrhea, bloody stools,
abdominal pain, fever, nausea, vomiting
• Mild to moderate illness is characterized by watery diarrhea, low-grade fever, and mild
abdominal pain
DURATION
• During or after several weeks of antibiotic use; can occur without being associated with
such treatment
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