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Mock Exam
Chapter 18, 19, 20, 21, 22, 23, 24
| Question | Answer |
|---|---|
| Some Types of Herpesvirus are ? | Herpes simplex virus (HSV) – type 1 or 2, Herpes zoster virus (HZV), Cytomegalovirus (CMV), Epstein-Barr virus (EBV) |
| Type 1 and Type 2 causes what ? | causes cold sores on the lips and genital Herpes |
| What Rarely causes disease but can infect a fetus and lead to developmental disabilities after birth? | Cytomegalovirus (CMV) |
| Epstein-Barr virus (EBV) cause what? | Causes mononucleosis, nasopharyngeal cancer, lymphoma, oral hairy leukoplakia |
| Herpes zoster virus (HZV) cause what ? | Causes shingles and chicken pox |
| Which hepatitis is transmitted through fecal oral? | HAV, HEV |
| Which hepatitis is transmitted through blood and body fluids? | HBV, HCV, HDV |
| What contains chlorophyll, from microscopic single-cell organisms to larger multiple-cell organisms ? | Algae |
| Viral diseases are transmitted by? | Direct contact, Insects, Percutaneous injury, Blood transfusions Contaminated food or water, Inhalation of droplets expelled by coughing or sneezing |
| What is much smaller than bacteria and can be fatal? | Viruses |
| What plants, such as mushrooms, yeasts, and molds that lack chlorophyll ? | Fungi |
| Some bacteria change into a highly resistant form | Spores |
| What are the Shapes of Bacteria? | Spherical (coccus, plural cocci), Rod-shaped (bacillus, plural bacilli), Spiral (spirillum, plural spirilla) |
| Hans Christian Gram developed a four-step staining process for separating bacteria into what two groups? | gram- positive, and gram- negative |
| Carried by mosquitoes, commonly found in Africa, West Asia, and the Middle East? | West Nile Virus (WNV) |
| Rare but often deadly virus? | Ebola Virus |
| Can be spread from pregnant woman to fetus, which has been linked to a serious birth defect called microcephaly | Zika Virus |
| Bacterial Diseases are ? | Tuberculosis, Legionnaires’ disease, Tetanus, Syphilis Methicillin-resistant Staphylococcus aureus (MRSA) |
| Which of the following is the most common type of latex allergy? | Type IV allergic reaction |
| What is a statement about reducing microbial flora? | Alcohol-based hand rubs are more effective at reducing microbial flora than plain soap or antimicrobial handwashes. |
| Tuberculosis, botulism, and streptococcal infections can be spread by which of the following? | Food and water transmission |
| Creutzfeldt-Jakob disease ? | It belongs to a group of neurologic disorders |
| What Is recommended by the CDC after administration of the HBV vaccine? | The CDC does not recommend routine blood testing to monitor the HBV antibody level in individuals who have had the vaccine. |
| Regarding the role of the CDC in infection control recommend what? | The CDC issues specific recommendations on health-related matters, based on sound scientific evidence. |
| Infectious waste is defined ? | It is contaminated waste that is capable of transmitting an infectious disease. |
| What term is used to describe disease-causing organisms? | Pathogens |
| The number of pathogenic microorganisms can be directly related to? | Virulence |
| Pathogens transmitted by means of cuts or punctures are an example of what transmission? | Parenteral |
| What is classified as a high-level disinfectant or sterilant? | Glutaraldehyde |
| What items are always single use items? | sterilization pouches, face masks, plastic orthodontic brackets |
| What are surfaces that do not contact the members of the dental team or the contaminated instruments or supplies? | splash, spatter and droplet |
| Which are methods of precleaning instruments? | hand scrubbing |
| What equipment that is used for sterilizing by means of moist heat under pressure? | chemical vapor sterilizer |
| How do you rinse instruments that have been processed in a liquid chemical sterilant? | With sterile water |
| The high-level disinfectant that does not require activation or mixing and has little odor is? | ortho-phthalaldehyde (OPA) |
| The purpose of an instrument holding solution is ? | prevent the drying of blood and debris on instruments |
| What chemicals used to create vapor for sterilizing with chemical vapor sterilization ? | sodium hypochlorite |
| Why is it important for packages to dry inside the steam sterilizer before storage? | Wicking of bacteria can occur through wet packaging material |
| Which of the following is true regarding the use of spore testing to monitor sterilization? | A positive culture indicates a sterilization failure has occurred |
| An ultrasonic cleaner cleans dirty instruments using sound waves, which causes what? | cavitation and implosion |
| In the sterilization process, a process indicator is an example of what? | external chemical monitoring |
| What is the primary role of the CDC in dentistry? | research |
| Following each use, the nitrous oxide rubber tubing and mask must be? | sterilized |
| Some products require as few as ____ to disinfect. | 10 minutes |
| Pasteurization is achieved by which of the following processes? | Heating a fluid to 63°C (145.4F for °) for 30 minutes |
| Coming into contact with which of the following is most likely to cause the spread of herpes simplex virus in the dental office? | Respiratory secretions |
| Viruses that infect bacteria are called? | prions |
| The only way to verify the time requirement for a particular product is by? | Reading the label |
| One of the best ways to prevent the spread of microorganisms from one person to another is? | Handwashing with water and an antimicrobial soap |
| Inflammation of the tissue in the root canal of a tooth is? | pulpitis |
| Dry heat and ethylene oxide sterilizers utilize biological indicators that contain spores of what ? | bacillus subtilis |
| Chlamydial trachomatis is responsible for which of the following? | Various lymph node infections |
| What bacterium in dental unit water has been shown to cause oral disease in immunocompromised patients? | Pseudomonas aeruginosa |
| After people have had a disease, they develop what kind of immunity to that disease? | Natural acquired |
| Which of the following bacteria is the most important in causing the progression of a carious lesion after the lesion has been initiated? | Latobacillus acidophilus |
| The disinfection level that kills some viruses and fungi and most bacterial microorganisms is what level? | Low |
| Antimicrobial means what? | Growth inhibitor |
| A virus that is hidden during the latency period is? | Prions |
| What types of microorganisms are known as obligate intracellular parasites, meaning that they can live and multiply only inside an appropriate host cell? | Viruses |
| Which disease is caused by a spore-forming bacillus found in soil? | Tetanus |
| HIV infects cells known as CD4 cells, and hepatitis virus infects only liver cells because of what? | specificity. |
| Which of the following was an French chemist who disproved the theory of spontaneous generation of life? | Louis Pasteur |
| Which disease is the leading cause of death worldwide? | Tuberculosis |
| General antibiotics are ineffective in preventing or curtailing are ? | viral infections. |
| What is the primary role of the CDC in dentistry? | Research |
| The only federal institute responsible for conducting research and making recommendations for the prevention of work-related disease and injury is ? | National Institute for Occupational Safety and Health (NIOSH). |
| The federal regulatory agency responsible for ensuring the safety and health of America’s workers and for setting and enforcing protective standards is? | OSHA. |
| Infection-control procedures practiced in dentistry today are based on the Guidelines for Infection Control in Dental Healthcare Settings—2003 issued by? | Centers for Disease Control and Prevention (CDC) |
| The governmental regulatory agency that ensures the safety and effectiveness of disinfectants associated with dentistry is ? | Environmental Protection Agency (EPA) |
| The Environmental Protection Agency (EPA) is responsible for ? | reviewing the manufacturers’ antimicrobial claims to ensure that they are supported by scientific evidence |
| In the National Fire Protection Association (NFPA) labeling system the color yellow indicates ? | reactivity |
| Used radiographic fixer are? | can be managed on site with the installation of a silver recovery system |
| Should the SDS be organized in binders so that employees can locate a particular SDS ? | True |
| Chronic Chemical toxicity is what levels of the chemical? | Lower |
| An example of regulated waste that requires special disposal is? | Human Tissue |
| DUWL is ? | Dental Unit Waterlines |
| CFU | Commercial Fueling Network |
| What type of personal protective equipment (PPE) is especially critical when aerosol is being generated? | eyewear, mask |
| Dental healthcare workers are exposed to ______________ at a higher rate than the general public. This bacteria is found in water and moist places and are harmful. | Legionella |
| What is the use of membrane filters to trap microorganisms suspended in water? | microfiltration |
| Will the use of a rubber dam totally eliminate the dental assistant’s exposure to microorganisms? | No |
| Are waterborne diseases limited to dentistry? | No |
| What is a mechanism that prevents entry of fluids and microorganisms into waterlines as a result of negative water pressure, also referred to as “suck back.”? | antiretraction device |
| Should water be heated in the dental units to kill the bacteria? | No |
| Which of the following is the first link in the chain of infection? | Infectious agent |
| A person who is unable to resist infection by a particular pathogen is known as ? | a susceptible host |
| Who issue specific standards to protect the health of employees in the United States? | OSHA |
| The primary federal agency that is part of the U.S. Department of Health and Human Services and that conducts and supports medical research is what? | NIH |
| The nonregulatory agency that issues recommendations based on strong scientific evidence that form the standard of care for dentistry is ? | CDC |
| The agency that approves medical and dental devices for marketing in the United States is? | FDA |
| The premier infection-control education organization in dentistry is? | OSAP |
| The government agency responsible for enforcing rules regarding the disposal of regulated waste is? | EPA |
| What is made of small-bore plastic tubing and are used to deliver dental treatment water through a dental unit? | dental unit waterlines |
| What bacteria cause the disease legionellosis? | Legionella bacteria |
| According to CDC guidelines, what type of water must be used as an irrigant for surgery involving bone? | sterile water |
| The minimum number of separable cells on the surface of a semisolid agar medium that creates a visible colony is? | colony-forming units |
| When was the presence of bacteria first reported in dental unit waterlines? | 30 years ago |
| Bacteria that are floating in water are? | planktonic bacteria |
| How are metal and glass canisters placed in the autoclave? | at an angle |
| What is the most serious type of latex allergy and can even result in death? | Type I allergic reaction |
| The basic rule of the workflow pattern in an instrument-processing area is ? | Single loop |
Created by:
Cedes415