PN 103 Test 4 EXAM with complete
solutions 2024/2025
Direct contact - ANSWER✓✓-(kissing, sex, oral secretions, body
lesions)
Indirect contact - ANSWER✓✓-(contaminated surface called fomites
such as door knobs, handles, handrails, tables, chairs, bathroom
surfaces, dishes, pens, pencils, toys)
Droplet - ANSWER✓✓-cough, sneeze, talk; large and quickly settle
out of the air - face masks and goggles
Airborne - ANSWER✓✓-droplet nuclei or dust particles remain
suspended for longer periods of time (TB, Chickenpox, Measles)
Fecal-oral - ANSWER✓✓-ingest contaminant, multiply in GI tract,
shed in feces (food storage, cooking, handwashing, sewage,
surfaces)
Vector-borne - ANSWER✓✓-animals; examples: flies, mites, fleas,
mosquito thru bite or feces.
Tuberculosis - ANSWER✓✓-Infectious disease caused by the bacteria
Mycobacterium tuberculosis.
TB is a leading killer of - ANSWER✓✓-people who are HIV infected.
TB exposure - ANSWER✓✓-droplet transmitted by cough or sneeze
and inhaled
, TB incubation - ANSWER✓✓-from infection to symptoms (positive
skin reaction) is 2 to 12 weeks
TB Quarantine/isolation - ANSWER✓✓-AFB isolation until 3
consecutive negative sputum smears collected in 8 to 24 hour
interval; receive treatment; demonstrate clinical improvement
TB Latent Disease - ANSWER✓✓-may remain inactive for decades
TB Active Disease - ANSWER✓✓-have signs and symptoms
Chronic TB - ANSWER✓✓-Inhalation of tubercle bacillus
(Mycobacterium tuberculosis)
Macrophages - ANSWER✓✓-engulf bacterium and wall off forming
tubercles.
Diagnosing Tb 1 - ANSWER✓✓-Mantoux tuberculin skin test (2-3
days waiting period)
Diagnosing Tb 2 - ANSWER✓✓-QuantiFERON-TB Gold Test (greater
specificity; 24 hour waiting period);
"gold standard"; tests latent disease
Diagnosing Tb 3 - ANSWER✓✓-Chest x-ray film
Acid-fast bacilli smear 3 of sputum
Drug resistant TB - ANSWER✓✓-All cases must be reported to:
Local health department
OSHA
Data to be Collected - ANSWER✓✓-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 - ANSWER✓✓-Fever
Weight loss; weakness
Productive cough; hemoptysis
solutions 2024/2025
Direct contact - ANSWER✓✓-(kissing, sex, oral secretions, body
lesions)
Indirect contact - ANSWER✓✓-(contaminated surface called fomites
such as door knobs, handles, handrails, tables, chairs, bathroom
surfaces, dishes, pens, pencils, toys)
Droplet - ANSWER✓✓-cough, sneeze, talk; large and quickly settle
out of the air - face masks and goggles
Airborne - ANSWER✓✓-droplet nuclei or dust particles remain
suspended for longer periods of time (TB, Chickenpox, Measles)
Fecal-oral - ANSWER✓✓-ingest contaminant, multiply in GI tract,
shed in feces (food storage, cooking, handwashing, sewage,
surfaces)
Vector-borne - ANSWER✓✓-animals; examples: flies, mites, fleas,
mosquito thru bite or feces.
Tuberculosis - ANSWER✓✓-Infectious disease caused by the bacteria
Mycobacterium tuberculosis.
TB is a leading killer of - ANSWER✓✓-people who are HIV infected.
TB exposure - ANSWER✓✓-droplet transmitted by cough or sneeze
and inhaled
, TB incubation - ANSWER✓✓-from infection to symptoms (positive
skin reaction) is 2 to 12 weeks
TB Quarantine/isolation - ANSWER✓✓-AFB isolation until 3
consecutive negative sputum smears collected in 8 to 24 hour
interval; receive treatment; demonstrate clinical improvement
TB Latent Disease - ANSWER✓✓-may remain inactive for decades
TB Active Disease - ANSWER✓✓-have signs and symptoms
Chronic TB - ANSWER✓✓-Inhalation of tubercle bacillus
(Mycobacterium tuberculosis)
Macrophages - ANSWER✓✓-engulf bacterium and wall off forming
tubercles.
Diagnosing Tb 1 - ANSWER✓✓-Mantoux tuberculin skin test (2-3
days waiting period)
Diagnosing Tb 2 - ANSWER✓✓-QuantiFERON-TB Gold Test (greater
specificity; 24 hour waiting period);
"gold standard"; tests latent disease
Diagnosing Tb 3 - ANSWER✓✓-Chest x-ray film
Acid-fast bacilli smear 3 of sputum
Drug resistant TB - ANSWER✓✓-All cases must be reported to:
Local health department
OSHA
Data to be Collected - ANSWER✓✓-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 - ANSWER✓✓-Fever
Weight loss; weakness
Productive cough; hemoptysis
