Term
How long can TB live in a dark, humid environment? |
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Definition
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Term
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Definition
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Term
How long does TB live in soap or alcohol solutions? |
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Definition
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Term
How long does TB live in the direct sunlight? |
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Definition
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Term
What is TBs transmission? |
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Definition
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Term
What generates 3,000 droplet nuclei? |
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Definition
coughing, talking for 5 minutes, singing for one minute. |
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Term
What is TB's portal of exit and entry? |
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Definition
Respiratory tract (TB case coughs, sneezes, speaks, or sings for exit, direct or indirect for entry) |
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Term
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Definition
Agent is in a non replicating, non-infectious state, but is still viable. |
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Term
What percentage of the world has latent tb? |
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Definition
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Term
What is the risk of progressing from latent to active TB? |
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Definition
5% in the first two years after date of infection, 5% in the years following. |
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Term
What percentage of people develop pulmonary TB? |
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Definition
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Term
Symptoms of active TB (6)? |
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Definition
Unexplained weight loss Loss of appetite Night sweats Fever Fatigue Chills |
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Term
Symptoms of pulmonary TB? |
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Definition
Coughing for 3 weeks or longer Hemoptysis (coughing up blood) Chest pain |
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Term
What are the parts of the epedimiologic triad? |
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Definition
Host, agent, environment. |
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Term
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Definition
Exposure, virulence of TB strain. |
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Term
Environmental factors (3)? |
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Definition
Air quality, housing, occupational setting |
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Term
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Definition
Infection with HIV Chest x-ray findings suggestive of previous TB Substance abuse Recent TB infection Prolonged therapy with corticosteroids and other immunosuppressive therapy, such as prednisone and tumor necrosis factor-alpha [TNF-α] antagonists Organ transplant Silicosis Diabetes mellitus Severe kidney disease Certain types of cancer Certain intestinal conditions Low body weight |
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Term
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Definition
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Term
What is the origin of TB? |
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Definition
Possibly came from buffalo. Was spread when advent of agriculture created new niches for increased transmission. |
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Term
When were TB hospital established. |
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Definition
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Term
What percentage of deaths did TB account for in the industrial revolution? Why (4)? |
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Definition
25, d/t urbanization, lack of medical care, crowding, malnutrition |
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Term
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Definition
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Term
When did TB drugs come out? BCG vaccine? |
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Definition
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Term
How many new cases of tb are there a year? |
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Definition
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Term
How many people die of TB a year |
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Definition
2 million/ 1 person every 17 seconds |
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Term
What percentage of TB cases occur in the developing world? |
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Definition
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Term
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Definition
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Term
Percentage of TB cases have MDR TB |
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Definition
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Term
What 5 countries have the greatest burden of TB? |
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Definition
India, china, russian federation, bangladesh, south africa |
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Term
What number of countries have experienced cases of XDR TB |
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Definition
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Term
What region has the highest number of TB cases? |
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Definition
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Term
What burden of world TB cases do Asia and Africa shoulder |
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Definition
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Term
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Definition
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Term
What percentage of HIV infected TB cases are in Africa? |
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Definition
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Term
What is the affect of HIV on TB incidence |
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Definition
It increases it greatly, as in the case of Africa. TB has remained stable in other areas. |
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Term
How many women of reproductive age die of TB each year? |
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Definition
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Term
Are women more or less likely to progress from latent to active tb? |
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Definition
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Term
What percentage of tb cases occur between ages 15-54? |
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Definition
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Term
How many months of lost work does TB cause on average? |
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Definition
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Term
How many years of economic productivity is lost in a family with a member that dies of TB? |
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Definition
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Term
When did TB cases in the US spike again? Why? |
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Definition
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Term
What contributed to the resurgence of TB (5) |
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Definition
Lack of funding, HIV, immigration, increase in MDR TB, increase in shelters and prisons. |
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Term
What percent decrease in Tb occurred between 1993 and 2008? |
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Definition
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Term
What is the national average rate of TB |
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Definition
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Term
What are the two high risk TB groups? |
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Definition
High risk for becoming infected, for developing TB disease post infection |
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Term
Who is at high risk for TB infection (8). |
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Definition
Close contacts Foreign-born persons Low-income groups and homeless persons Correctional Facilities Healthworkers Children and adolescents Racial and ethnic minorities Individuals who live and/or work in special settings Health care workers who serve high-risk groups Racial and ethnic minorities Infants, children, and adolescents People who inject drugs |
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Term
What percentage of close contacts of TB cases become infected? |
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Definition
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Term
High risk groups for TB infection? |
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Definition
Close contacts, foreign born immigrants, low-income and homeless people. |
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Term
What percentage of US TB patients are homeless? |
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Definition
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Term
What are factors that increase risk of TB in correctional facilities |
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Definition
Inmates who already have tb have a higher chance of developing infection, overcrowding, increased rates of HIV |
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Term
Risk of healthcare professionals infection depends on... |
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Definition
Number of persons with TB in facility. Job duties. Infection control procedures. |
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Term
Risk in adolescents and children depends on... |
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Definition
high risk if exposed to adults in high risk groups |
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Term
If a child had TB, what does it suggest? |
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Definition
TB was transmitted recently. Person who transmitted TB to child may still be infectious. Others may have been exposed. |
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Term
What percentage of TB cases occur in racial and ethnic minorities? |
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Definition
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Term
What groups are at increased risk of progressing to active TB? (5) |
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Definition
People living with HIV People with medical conditions known to increase the risk for TB People infected with M. tuberculosis within past 2 years Infants and children younger than 4 years old People who inject drugs |
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Term
What is the strongest risk factor for Tb? |
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Definition
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Term
What is the leading cause of death for people with HIV/AIDS? |
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Definition
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Term
What is the risk of developing TB each year for people with HIV? |
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Definition
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Term
Medical conditions that lead to increased risk of TB (5)? |
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Definition
Prolonged therapy with corticosterods, and other immunosuppressive therapy. Silicosis. Diabetes. Severe kidney disease. Certain types of cancer. |
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Term
Why do infants and children under 4 have an increased risk of Tb? |
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Definition
underdeveloped immune system |
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Term
Why do injectable drug users have an increased risk? |
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Definition
greater chance of HIV, injecting drugs may weaken immune system |
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Term
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Definition
Tuberculin Skin Test (PPD), and Quantiferon blood test |
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Term
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Definition
Chest X ray Clinical exam Sputum smear microscopy Sputum culture Molecular detection |
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Term
What are the molecular tests for Tb |
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Definition
GeneXpert, nucleic acid amplification |
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Term
Sputum smear microscopy issues? |
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Definition
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Term
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Definition
slow/difficult to implement in resource poor settings. |
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Term
Central challenges to treating TB? |
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Definition
prolonged therapy, 4 drugs, resistance |
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Term
What is the treatment regimen |
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Definition
Isoniazid, Rifampin, Ethambutol, Pyrazinamide x 2 months
Isoniazid, Rifampin x 4 months |
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Term
What type of diagnosis does DOTS employ |
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Definition
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Term
What is the objective incidence rate in the US |
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Definition
1 case in 1 million, elimination |
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Term
What are the two foci of the TB control program in the US? |
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Definition
Preventing re-activation of latent TB Preventing TB among foreign born-persons |
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Term
Challenges to global TB control |
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Definition
Persistent inequalities in health, disparities in wealth. Inadequate political commitment. Incomplete DOTS coverage MDR-TB and XDR-TB. Impact of the TB/HIV syndemic. Slow development of new diagnostic tools and new drugs for TB. |
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Term
Average cost per MDR TB case in US |
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Definition
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Term
What is treatment for MDR tb |
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Definition
often times with toxic IVs, 18-24 months |
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Term
Issues with treating MDR tb |
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Definition
Long periods of isolation may be necessary Depression is common Disease may be incurable (chronic) Higher rate of death |
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Term
What causes resistence to TB? |
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Definition
treating with a single drug |
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Term
What broader factors lead to TB resistance ? |
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Definition
Non compliance, health care errors, health system errors (no clinics, no drugs, poor drug quality, no lab capacity) |
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Term
Definition of mono-resistant tB |
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Definition
resistance to a single drug |
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Term
MDR TB is resistant to what drugs? |
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Definition
at least rifampin and isoniazid |
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Term
What drugs are XDR TB resistant to ? |
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Definition
rifampin, isoniazid, floroquinolones, and at least one of the three injectible drugs (amikacin, kanamycin, capreomycin) |
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Term
Estimated number of cases and deaths of MDR TB |
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Definition
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Term
Estimated number of cases/death of XDR TB |
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Definition
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