DAT 100 Final Exam Questions with Answers 100% correct | 2024 update

DAT 100 Final Exam Questions with Answers 100% correct | 2024 update DAT 100 Final Exam Questions with Answers 100% correct | 2024 update Which of the following forms of hepatitis is transmitted through contaminated food or water? A. Hepatitis A B. Hepatitis B C. Hepatitis C D. Hepatitis D - Answer Hepatitis A The greatest occupational risks for exposure to hepatitis B virus are: (1) blood and saliva contamination of cuts and cracks on the skin or ungloved hands or hands with torn gloves; (2) spraying of blood and saliva onto open lesions on the skin or onto mucous membranes; (3) and: A. by ingesting contaminated water B. through injuries with contaminated sharps C. through inhalation D. by shaking hands with patients - Answer through injuries with contaminated sharps What bloodborne disease has the greatest potential for occupational transmission risk to dental professionals? A. Hepatitis B B. HIV C. Hepatitis C D. Hepatitis A - Answer Hepatitis B The best way for you to avoid contracting a bloodborne disease in the office is to: A. not shake hands with patients B. wear a mask all day long even between patients. C. handle sharps carefully D. disinfected operatory surfaces with undiluted bleach. - Answer C. handle sharps carefully How does HIV cause AIDS? A. it destroys the liver B. it destroys the body defenses against diseases C. it destroys the ability to control muscle action D. it paralyzes the body - Answer B. it destroys the body defenses against diseases Which of the following hepatitis diseases seldom, if ever, establishes a chronic infection? A. Hepatitis A B. Hepatitis B C. Hepatitis C D. Hepatitis D - Answer A. Hepatitis A Which of the following hepatitis diseases does not have a chronic carrier state? A. Hepatitis A B. Hepatitis B C. Hepatitis C D. Hepatitis D - Answer A. Hepatitis A HIV makes people sick by: A. damaging the liver B. causing a respiratory infection C. causing food poisoning D. by destroying their immune system - Answer D. by destroying their immune system HIV disease is not spread: A. to a developing fetus from the infected mother B. by inhalation C. through percutaneous exposure D. from sexual actions - Answer B. by inhalation A vaccine is available for which of the following types of hepatitis? A. Hepatitis A and Hepatitis C B. Hepatitis B and Hepatitis A C. Hepatitis C and Hepatitis B D. Hepatitis C and Hepatitis D - Answer B. Hepatitis B and Hepatitis A A Hepatitis B carrier is: A. HIV positive B. HBsAg- positive C. Anti HBsAg positive D. HBs-Ag negative - Answer B. HBsAg positive What is the main ingredient in the hepatitis B vaccine? A. Antibodies to the HBsAg B. HBsAg C. HIV-Ag D. HBeAg - Answer B. HBsAg A person who is positive for HBsAg and is highly infectious for Hepatitis B (can more easily spread the disease). A. HBcAg B. anti- HBc C. HBeAg D. anti-HBe - Answer C. HBeAg Which antibody is formed after a person responds to the hepatitis B vaccine? A. Anti-HBc B. Anti-HBe C. Anti-HAV D. Anti-HBs - Answer D. Anti-HBs Which of the following forms of hepatitis is not bloodborne? A. A B. B C. C D. D - Answer A. A Which of the hepatitis viruses cause disease only in persons who are simultaneously or previously infected with the hepatitis B virus? A. Type A B. Type B C. Type E D. Type D - Answer D. Type D The vaccine for hepatitis B also protects against: A. hepatitis A B. hepatitis C C. hepatitis E D. hepatitis D - Answer D. hepatitis D Which of the following AIDS exposure categories has had the highest number of AIDS cases in the US? A. Men who have sex with men B. Injection drug abusers C. Men who have sex with men and who are injection drug abusers D. Heterosexual contact - Answer A. Men who have sex with men A percutaneous route of exposure to an infectious agent means that exposure occurred: A. through the nose B. through the skin C. through the mouth D. through the eye - Answer B. through the skin Most of the healthcare workers who have occupationally acquired HIV infection from infected patients had what type of exposure? A. through the mouth B. through the eye C. through the skin D. through the nose - Answer C. through the skin As of 2015 how many documented cases of occupationally related HIV transmissions have been reported in dental personnel? A. 0 B. 6 C. 57 D. 143 - Answer A. 0 What present of those infected with hepatitis C virus develop chronic liver disease? A. 5% to 10% B. 20% to 30% C. 60% to 70% D. 90% to 100% - Answer C. 60% to 70% When were hepatitis C infection rates the highest? A. 1950s to 1960s B. 1960s to 1970s C. 1970s to 1980s D. 1980s to 1990s - Answer C. 1970s to 1980s What is the most likely route to hepatitis B transmission from an infected patient to an unvaccinated dental assistant wearing, exam gloves, protective eyewear and a long- sleeved gown but no face mask? A. Inhalation of salivary aerosols B. Needlestick C. Swallowing salivary droplets D. Touching a blood contaminated instrument - Answer A. inhalation of salivary aerosols How long can the hepatitis C virus in blood dried in an inanimate surface remain infectious? A. up to 2 days B. up to 1 week C. up to 3 weeks D. up to 6 weeks - Answer D. up to 6 weeks What is the least important way a dental assistant can prevent the chairside spread of HIV from a dental patient? A. Prevent sharps injuries B. Wear examination gloves C. Wear protective eyewear D. Have the patient use a preprocedure mouthrinse - Answer D. Have the patient use a preprocedure mouthrinse