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PN 103 Test 4 -Questions and Answers 100% Pass/Verified
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PN 103 Test 4 -Questions and Answers 100% Pass/Verified
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PN 103 Test 4 -Questions and Answers 100% Pass/VerifiedDirect contact - ✔✔(kissing, sex, oral secretions, body lesions)
Indirect contact - ✔✔(contaminated surface called fomites such as door knobs, handles,
handrails, tables, chairs, bathroom surfaces, dishes, pens, pencils, toys)
Droplet - ✔✔cough, sneeze, talk; large and quickly settle out of the air - face masks and
goggles
Airborne - ✔✔droplet nuclei or dust particles remain suspended for longer periods of time
(TB, Chickenpox, Measles)
Fecal-oral - ✔✔ingest contaminant, multiply in GI tract, shed in feces (food storage, cooking,
handwashing, sewage, surfaces)
Vector-borne - ✔✔animals; examples: flies, mites, fleas, mosquito thru bite or feces.
Tuberculosis - ✔✔Infectious disease caused by the bacteria Mycobacterium tuberculosis.
TB is a leading killer of - ✔✔people who are HIV infected.
TB exposure - ✔✔droplet transmitted by cough or sneeze and inhaled
TB incubation - ✔✔from infection to symptoms (positive skin reaction) is 2 to 12 weeks
TB Quarantine/isolation - ✔✔AFB isolation until 3 consecutive negative sputum smears
collected in 8 to 24 hour interval; receive treatment; demonstrate clinical improvement
TB Latent Disease - ✔✔may remain inactive for decades
, TB Active Disease - ✔✔have signs and symptoms
Chronic TB - ✔✔Inhalation of tubercle bacillus (Mycobacterium tuberculosis)
Macrophages - ✔✔engulf bacterium and wall off forming tubercles.
Diagnosing Tb 1 - ✔✔Mantoux tuberculin skin test (2-3 days waiting period)
Diagnosing Tb 2 - ✔✔QuantiFERON-TB Gold Test (greater specificity; 24 hour waiting
period);
"gold standard"; tests latent disease
Diagnosing Tb 3 - ✔✔Chest x-ray film
Acid-fast bacilli smear 3 of sputum
Drug resistant TB - ✔✔All cases must be reported to:
Local health department
OSHA
Data to be Collected - ✔✔Close contact with someone with the disease
Poorly ventilated, crowded living quarters
Recent travel to areas with high TB incidence
Family members of those with TB should be screened
Signs and Symptoms of Tuberculosis - ✔✔Fever
Weight loss; weakness
Productive cough; hemoptysis
Chills; night sweats
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