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Bloodborne Pathogens Practice Exams (Hard) - Part 1
Which of the following situation occurs when a person has AIDS?
Exposure to HIV
HIV antibodies are found in the blood
The CD4+ count is lower than 200, or opportunistic infections develop in an HIV-infected person
A person has had HIV for 5 years
Which cells in the immune system do HIV attack?
Red blood cells
White blood cells called T cells
What is the CD4 T-cell count at which AIDS is considered to have developed?
Below 1,000 per cubic milliliter
Below 500 per cubic milliliter
Below 200 per cubic milliliter
Below 50 per cubic milliliter
What is transient elastography?
The replication of hepatitis B includes which of the following stages?
Movement of the intact virus to the cellular cytoplasm for replication
Conversion of relaxed circular viral DNA into covalently closed circular (CCC) DNA in the nucleus
Virions produced in the cytoplasm by cellular DNA polymerase
Oncogenic activity to transform liver cells
A 35-year-old man has been diagnosed with HIV and chronic hepatitis B (HBV) infection. Which of the following best describes the interaction between HIV and HBV in persons with HIV-HBV coinfection without treatment?
In persons with chronic HBV, coinfection with HIV increases liver-related mortality
In persons with chronic HBV, coinfection with HIV does not impact progression to cirrhosis or liver-related mortality
In persons with HIV, coinfection with HBV markedly accelerates the progression to AIDS
In persons with chronic HBV, coinfection with HIV delays progression to cirrhosis and decreases the likelihood of developing end-stage liver disease
Which of the following statements is TRUE about hepatitis C?
Sexual exposure is the most common hepatitis C virus (HCV) transmission
HCV infections are decreasing among women with live births
Injection drug use is the primary risk factor for HCV infection
Surveillance data reveal a decrease in reported cases of acute HCV infection from 2009 through 2017
What initial test is most commonly used for HCV screening?
HCV RNA by PCR
Liver function tests
All of the following statements are true about individuals screened for HCV infections EXCEPT:
You should offer hepatitis A and hepatitis B vaccination if the patient is not current on these vaccinations
Repeat testing is recommended every 5 years if individuals have ongoing HCV risk factors and test negative
You should offer these patients risk assessment and testing for human immunodeficiency virus (HIV) and sexually transmitted infections
These patients should also be screened for alcohol or drug use
Which of the following classes of FDA-approved HCV drugs has a high intrinsic barrier to developing resistance?
NS5B non-nucleoside polymerase inhibitors
NS3/4A protease inhibitors
NS5B nucleoside polymerase inhibitors
When do you need to replace sharps containers?
What is a neutral zone?
A place to store OPIM
A designated location to place sharps during a surgical procedure
Where PPE is stored
A safe blood drawing site
Which of the following is not one of the four primary microbe categories?
What is the body fluid found in tissues around the lungs?
What is the body fluid found in tissues around the heart?
What is the body fluid found in tissues around the abdomen?
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