1.
The Environmental Protection Agency (EPA) in each state registers many different types of ________.
Correct Answer
D. Disinfectants
Explanation
The correct answer is disinfectants. The Environmental Protection Agency (EPA) in each state registers many different types of disinfectants. Disinfectants are substances that are used to kill or inactivate microorganisms on surfaces or objects, thus preventing the spread of infectious diseases. The EPA plays a crucial role in ensuring that disinfectants meet safety and efficacy standards before they are made available to the public.
2.
There are thousands of different kinds of bacteria, but they are classified into the following two primary types: _______________.
Correct Answer
C. Pathogenic and nonpathogenic
Explanation
Bacteria can be classified into pathogenic and nonpathogenic types. Pathogenic bacteria are capable of causing disease in their host organisms, while nonpathogenic bacteria do not cause harm or disease. This classification helps in understanding the potential effects of different bacteria on living organisms and aids in developing appropriate strategies for prevention and treatment of bacterial infections.
3.
Nonpathogenic bacteria may perform useful functions and: __________.
Correct Answer
A. Do not causes disease
Explanation
Nonpathogenic bacteria are bacteria that do not cause disease. They may perform useful functions such as aiding in digestion, producing vitamins, or competing with harmful bacteria for resources. These bacteria are generally harmless to humans and can even have beneficial effects on our health. Therefore, the correct answer is "do not cause disease."
4.
Pathogenic bacteria that grow, feed, and shelter on or in another organism are known as ________.
Correct Answer
B. Parasites
Explanation
Pathogenic bacteria that grow, feed, and shelter on or in another organism are known as parasites. These bacteria rely on the host organism for their survival and cause harm or disease to the host. They can invade tissues, release toxins, and disrupt normal bodily functions. Unlike saprophytes, which obtain nutrients from dead organic matter, parasites require a living host to thrive. Cocci and spore forming are not specific terms for bacteria that exhibit pathogenic behavior.
5.
A nonscientific synonym for disease-producing organisms is known as ______.
Correct Answer
C. Germ
Explanation
The correct answer is "germ". A germ is a nonscientific term used to refer to disease-producing organisms. These organisms can include bacteria, viruses, and other microorganisms that can cause infections and diseases in humans and animals. The term "germ" is commonly used in everyday language to describe these disease-causing agents.
6.
One-celled microorganisms having both plant and animal characteristics are _______.
Correct Answer
C. Bacteria
Explanation
Bacteria are one-celled microorganisms that can exhibit both plant and animal characteristics. They can photosynthesize like plants, using sunlight to produce energy, and some can also move and consume organic matter like animals. Bacteria are a diverse group of microorganisms that play important roles in various ecosystems and can have both beneficial and harmful effects on other organisms.
7.
The bacteria responsible for food poisoning and toxic shock syndrome are ________.
Correct Answer
A. StapHylococci
Explanation
Staphylococci are the bacteria responsible for food poisoning and toxic shock syndrome. These bacteria are commonly found on the skin and in the nose of healthy individuals. They can cause food poisoning when they contaminate food and produce toxins that affect the digestive system. Staphylococci can also cause toxic shock syndrome, a rare but serious condition characterized by high fever, rash, low blood pressure, and organ failure. Therefore, staphylococci are the correct answer for the given question.
8.
Submicroscopic particles that infect cells of a biological organism are known as _______.
Correct Answer
B. Viruses
Explanation
Viruses are submicroscopic particles that infect cells of a biological organism. They are not considered as infections themselves, but rather the cause of infections. Fungi and parasites can also cause infections, but they are not specifically referred to as submicroscopic particles. Therefore, the correct answer is viruses.
9.
Pus-forming bacteria that grow in bunches or clusters are _______.
Correct Answer
A. StapHylococci
Explanation
Pus-forming bacteria that grow in bunches or clusters are known as staphylococci.
10.
Nonpathogenic bacteria are ________.
Correct Answer
B. Harmless
Explanation
Nonpathogenic bacteria are harmless. This means that they do not cause harm or disease in humans or other organisms. Unlike pathogenic bacteria, which can cause infections and illnesses, nonpathogenic bacteria are generally beneficial or neutral in their interactions with their hosts. They may even play important roles in maintaining the balance of ecosystems and supporting the health of organisms.
11.
An infectious agent smaller than bacteria and capable of replication through taking over the host cell’s reproduction machinery is known as _______.
Correct Answer
C. A virus
Explanation
A virus is an infectious agent that is smaller than bacteria and is capable of replicating by taking over the host cell's reproduction machinery. It is not considered an infection or a disease, but rather a specific type of infectious agent.
12.
Pathogenic bacteria may produce _______.
Correct Answer
C. Disease
Explanation
Pathogenic bacteria are known for causing diseases in humans and animals. They can produce various toxins and virulence factors that harm the host and lead to the development of diseases. Therefore, the correct answer is "disease".
13.
An example of a local infection is __________.
Correct Answer
D. An abscess
Explanation
An abscess is an example of a local infection because it is a collection of pus that forms within a specific area of the body, such as in a tooth, skin, or organ. The infection is confined to a specific site and does not spread throughout the body. This is in contrast to blood poisoning, food poisoning, and hepatitis B, which are systemic infections that affect the entire body.
14.
The ability of the body to destroy or resist infections is known as ____________.
Correct Answer
D. Immunity
Explanation
The ability of the body to destroy or resist infections is known as immunity. Immunity refers to the body's ability to defend itself against harmful pathogens such as bacteria, viruses, and parasites. It involves the immune system recognizing and neutralizing these foreign invaders, preventing them from causing illness or disease. Immunity can be acquired naturally through exposure to infections or artificially through vaccines. It plays a crucial role in maintaining overall health and preventing the spread of infectious diseases.
15.
The condition that is developed after the body has overcome a disease or has been inoculated for the disease is known as ________.
Correct Answer
B. Acquired immunity
Explanation
Acquired immunity refers to the condition that develops after the body has overcome a disease or has been inoculated for the disease. This type of immunity is acquired through exposure to pathogens or through vaccination, and it involves the production of specific antibodies and memory cells that provide long-term protection against future infections. Natural immunity, on the other hand, refers to the immunity that is present at birth and is not acquired through previous exposure or vaccination. The other options, human disease resistor and acquired immunodeficiency, are not accurate terms to describe this condition.
16.
A contagious skin disease caused by the itch mite is __________.
Correct Answer
A. Scabies
Explanation
Scabies is a contagious skin disease caused by the itch mite. It is characterized by intense itching and a rash that is often worse at night. The mite burrows into the top layer of the skin, causing red, raised bumps and small blisters. Scabies can be spread through close physical contact, such as sexual activity or sharing bedding or clothing. Prompt treatment with medication is necessary to eliminate the mites and prevent the spread of the disease. Blood poisoning, lesions, and HIV/AIDS are unrelated to scabies.
17.
The acquired immunodeficiency syndrome is caused by ________.
Correct Answer
B. The HIV
Explanation
Acquired immunodeficiency syndrome (AIDS) is caused by the human immunodeficiency virus (HIV). HIV is a virus that attacks the immune system, specifically targeting CD4 cells, which are crucial for fighting off infections. As the virus replicates and destroys these cells, the immune system becomes weakened, making individuals more susceptible to various infections and diseases. Therefore, the correct answer is "the HIV."
18.
The HIV is spread mainly through ________.
Correct Answer
D. Sharing needles by intravenous drug users
Explanation
HIV is primarily transmitted through the exchange of certain body fluids, such as blood, semen, vaginal fluids, and breast milk. Sharing needles by intravenous drug users can lead to the transmission of HIV because it allows for the direct exchange of blood between individuals, increasing the risk of infection. Other modes of transmission mentioned in the options, such as holding hands, sharing food, or sharing bathroom facilities, do not typically pose a significant risk for HIV transmission.
19.
________ is the chemical process that uses specific products to destroy organisms on nonporous surfaces.
Correct Answer
B. Disinfection
Explanation
Disinfection is the correct answer because it involves the use of specific products to eliminate or destroy organisms on nonporous surfaces. This process helps to reduce the number of harmful microorganisms and prevent the spread of infections and diseases. Fumigation, on the other hand, typically involves the use of gases or fumes to eliminate pests or insects. Extermination refers to the elimination of pests or organisms, while promoting the growth of bacteria is the opposite of disinfection and would not be used to destroy organisms on surfaces.
20.
Completely destroying all microbial life including bacterial spores is called ________.
Correct Answer
C. Sterilization
Explanation
Sterilization refers to the process of completely eliminating all forms of microbial life, including bacterial spores. It ensures the destruction or removal of all microorganisms and their spores, making the object or area free from any viable organisms. This process is more thorough and extensive than sanitizing, decontamination, or disinfection, which may not necessarily eliminate all types of microorganisms.
21.
Pus-forming bacteria that grow in curved lines resembling a string of beads are known as ________.
Correct Answer
A. Streptococci
Explanation
Pus-forming bacteria that grow in curved lines resembling a string of beads are known as streptococci.
22.
The removal of blood or other potentially infectious materials on an item’s surface and the removal of visible debris or residue such as dust, hair, and skin is known as_________.
Correct Answer
A. Decontamination
Explanation
Decontamination refers to the process of removing blood or other potentially infectious materials from the surface of an item, as well as getting rid of visible debris or residue like dust, hair, and skin. This process aims to eliminate or reduce the risk of infection by cleaning and sanitizing the item. Disinfection, sterilization, and fumigation are different processes that involve killing or eliminating microorganisms, but they do not specifically address the removal of visible debris or residue.
23.
Proper ______________will completely eliminate any contamination risks.
Correct Answer
C. Disinfection
Explanation
Disinfection refers to the process of eliminating or reducing harmful microorganisms, such as bacteria and viruses, from surfaces, objects, or the environment. Proper disinfection ensures that all potential sources of contamination are effectively neutralized, minimizing the risk of spreading infections or diseases. This implies that if disinfection is done correctly, there will be no remaining contaminants, making it the ideal choice for completely eliminating any contamination risks.
24.
________ are not for use on human skin, hair, or nails.
Correct Answer
A. Disinfectants
Explanation
Disinfectants are not for use on human skin, hair, or nails because they are designed to kill or inactivate microorganisms on surfaces or objects, not on living tissues. They are typically used to clean and sanitize inanimate objects such as floors, countertops, or medical equipment. In contrast, antiseptics are specifically formulated to kill or inhibit the growth of microorganisms on living tissues, making them suitable for use on human skin, hair, or nails. Styptics are substances used to stop bleeding by causing blood vessels to contract, and virucides are agents that are effective against viruses.
25.
The effectiveness with which a disinfecting solution kills specific organisms when used according to label instructions is known as _________.
Correct Answer
B. Efficacy
Explanation
The effectiveness with which a disinfecting solution kills specific organisms when used according to label instructions is known as efficacy. Efficacy refers to the ability of a disinfectant to achieve the desired result, in this case, killing specific organisms. It is a measure of how well the disinfectant performs its intended function. Disinfection, sterilization, and decontamination are related terms but do not specifically refer to the effectiveness of a disinfecting solution in killing organisms.
26.
OSHA stands for ___________.
Correct Answer
C. Occupational Safety and Health Administration
Explanation
OSHA stands for Occupational Safety and Health Administration. This agency is responsible for ensuring safe and healthy working conditions for employees in the United States. They develop and enforce standards and regulations to protect workers from workplace hazards, provide training and education programs, and conduct inspections to ensure compliance with safety guidelines. OSHA plays a crucial role in promoting occupational safety and health in various industries across the country.
27.
The OSHA Act of 1970 established the Hazard Communication Act, which requires that chemical manufacturers _________ and importers assess the hazards associated with their products.
Correct Answer
D. Publish MSDS or SDS
Explanation
The OSHA Act of 1970 established the Hazard Communication Act, which requires that chemical manufacturers and importers assess the hazards associated with their products. In order to comply with this requirement, they are obligated to publish Material Safety Data Sheets (MSDS) or Safety Data Sheets (SDS). These documents provide detailed information about the potential hazards, safe handling procedures, and emergency response measures for the chemicals. By making these sheets available to workers and other relevant parties, the manufacturers and importers ensure that the necessary information is accessible for safe use and handling of their products.
28.
_________ disinfectants are effective in cleaning blood and body fluids from nonporous surfaces in the salon, thus controlling the spread of disease.
Correct Answer
B. Hospital
Explanation
Hospital disinfectants are effective in cleaning blood and body fluids from nonporous surfaces in the salon, thus controlling the spread of disease. Hospital disinfectants are specifically designed to kill a wide range of pathogens, including bacteria, viruses, and fungi. They are formulated to be highly effective in healthcare settings, where the risk of disease transmission is high. Therefore, using hospital disinfectants in the salon can help ensure a clean and safe environment for both clients and staff, minimizing the risk of infections and diseases.
29.
All disinfectants are _________ in the presence of oils, lotions, creams, and dust.
Correct Answer
A. Inactivated
Explanation
Disinfectants are substances used to kill or remove microorganisms from surfaces. In the presence of oils, lotions, creams, and dust, these substances are rendered ineffective or "inactivated". This is because these substances create a barrier that prevents the disinfectant from coming into direct contact with the microorganisms, reducing its ability to kill or remove them. Therefore, the correct answer is "inactivated".
30.
Quats is a short term for the salon disinfectant known as ________________.
Correct Answer
C. Quaternary ammonium compounds
Explanation
The correct answer is "quaternary ammonium compounds." Quats is a shortened term for quaternary ammonium compounds, which are commonly used as disinfectants in salons. These compounds have antimicrobial properties and are effective in killing various types of bacteria, viruses, and fungi. They are commonly used to sanitize surfaces, tools, and equipment in salons to prevent the spread of infections and diseases.
31.
Phenols may _________ certain rubber and plastic materials.
Correct Answer
B. Damage
Explanation
Phenols have the potential to cause harm or deterioration to rubber and plastic materials. This suggests that they can negatively affect the integrity and performance of these materials, leading to their damage.
32.
Sodium hypochlorite is also known as ______________________.
Correct Answer
C. Household bleach
Explanation
Sodium hypochlorite is commonly known as household bleach. It is a chemical compound often used as a disinfectant and cleaning agent in households. It is effective in killing bacteria, viruses, and other germs, making it a popular choice for cleaning and sanitizing various surfaces.
33.
The division of a bacterial cell into two new cells is called ____________.
Correct Answer
C. Binary fission
Explanation
Binary fission is the correct answer because it refers to the process of a bacterial cell dividing into two new cells. During binary fission, the genetic material of the bacterial cell is replicated, and the cell membrane and cytoplasm divide, resulting in the formation of two identical daughter cells. This is the primary method of reproduction for bacteria and allows for rapid population growth. Spore growth, decomposing, and fertilizing are not accurate terms to describe the division of a bacterial cell.
34.
The number of viable organisms in or on the object or surface or organic material on a surface or object prior to decontamination or sterilization is known as____________.
Correct Answer
A. Bioburden
Explanation
Bioburden refers to the number of viable organisms present on a surface or object before it undergoes decontamination or sterilization. This term is commonly used in healthcare settings to assess the cleanliness and effectiveness of disinfection processes. It is important to measure and reduce bioburden to prevent the spread of infections and ensure a safe environment for patients and healthcare workers.
35.
____________ is a higher level of decontamination that is second only to sterilization.
Correct Answer
C. Disinfection
Explanation
Disinfection is a higher level of decontamination that is second only to sterilization. While cleaning removes visible dirt and debris, disinfection involves the use of chemicals or other agents to kill or inactivate microorganisms on surfaces. Disinfection reduces the number of pathogens to a level that is considered safe for public health. It is an important process in preventing the spread of infectious diseases and maintaining a clean and safe environment. Fumigation, extermination, and sterilization are not considered higher levels of decontamination compared to disinfection.
36.
Substances used to kill microbes on contaminated tools and other nonliving surfaces are ____________.
Correct Answer
A. Disinfectants
Explanation
Disinfectants are substances that are used to kill microbes on contaminated tools and other nonliving surfaces. They are specifically designed to eliminate or reduce the number of microorganisms present on surfaces, preventing the spread of infections. Antiseptics, on the other hand, are used to kill microbes on living tissues, such as skin. Styptics are substances that help stop bleeding, and virucides are specifically designed to kill viruses. Therefore, the correct answer is disinfectants.
37.
To use a disinfectant properly, read and follow the manufacturer’s directions and ____________________ implements for proper disinfection.
Correct Answer
B. Completely submerge
Explanation
To effectively use a disinfectant, it is important to read and follow the manufacturer's directions. In this case, the correct answer suggests that the proper way to disinfect is by completely submerging the implements. This means that the implements should be fully immersed in the disinfectant solution for the recommended amount of time to ensure thorough disinfection. Partially drying, partially immersing, or rinsing thoroughly may not provide the same level of disinfection as completely submerging the implements.
38.
____________ precautions were introduced in 1966 to replace Universal Precautions.
Correct Answer
A. Standard
Explanation
Standard precautions were introduced in 1966 to replace Universal Precautions. These precautions are a set of infection control practices that are designed to prevent the transmission of infectious diseases in healthcare settings. They are based on the assumption that all patients could potentially have an infectious disease, and therefore, healthcare workers should take the same precautions with every patient. Standard precautions include hand hygiene, the use of personal protective equipment, safe injection practices, and proper handling and disposal of contaminated materials.
39.
Short, rod-shaped bacteria that produce diseases such as tetanus, typhoid fever, tuberculosis, and diphtheria are called ________________.
Correct Answer
D. Bacilli
Explanation
Bacilli are short, rod-shaped bacteria that are capable of producing diseases such as tetanus, typhoid fever, tuberculosis, and diphtheria. Streptococci are spherical bacteria that typically form chains, while staphylococci are spherical bacteria that form clusters. Diplococci are spherical bacteria that typically occur in pairs. Therefore, the correct answer for the given question is bacilli.
40.
What is a condition, characterized by redness, heat, pain, and redness, in which the body reacts to injury, irritation, or infection?
Correct Answer
A. Inflammation
Explanation
Inflammation is a condition characterized by redness, heat, pain, and swelling in the body as a response to injury, irritation, or infection. It is a natural defense mechanism of the body to protect and heal itself. Inflammation can occur in various parts of the body and can be acute or chronic. It is often accompanied by other symptoms such as fever, loss of function, and fatigue. Treatment for inflammation usually involves addressing the underlying cause and may include medication, rest, and lifestyle changes.
41.
Which statement is true of MRSA?
Correct Answer
A. Clients who appear completely healthy may bring MRSA into the salon, where it can infect others.
42.
Some of the _________ that plague humans are the common cold, respiratory infections,
gastrointestinal tract infections, measles, mumps, chicken pox, smallpox, rabies, yellow fever, hepatitis, polio, influenza and HIV.
Correct Answer
B. Viruses
Explanation
The given list of diseases includes common cold, respiratory infections, gastrointestinal tract infections, measles, mumps, chicken pox, smallpox, rabies, yellow fever, hepatitis, polio, influenza, and HIV. All of these diseases are caused by viruses, not bacteria, fungi, or parasites. Viruses are microscopic infectious agents that can cause a wide range of diseases in humans. They invade host cells and use the host's cellular machinery to replicate and spread. Therefore, the correct answer is viruses.
43.
Colonies of microorganisms that adhere to environmental surfaces are called ___________.
Correct Answer
A. Biofilms
Explanation
Biofilms are colonies of microorganisms that adhere to environmental surfaces. They form when microorganisms attach to a surface and produce a sticky substance that allows them to stick together and to the surface. Biofilms can be found in various environments, such as on rocks, pipes, and even inside the human body. They can be composed of bacteria, fungi, algae, and other microorganisms. Biofilms play important roles in nature, but they can also cause problems, such as in medical settings where they can lead to infections or in industrial settings where they can cause equipment damage.
44.
What are single-cell organisms that grow in irregular masses that include mold, mildews, and yeasts?
Correct Answer
C. Fungi
Explanation
Fungi are single-cell organisms that grow in irregular masses and include mold, mildews, and yeasts. They are distinct from bacteria and viruses, as they have their own kingdom in the classification of living organisms. Fungi obtain nutrients by absorbing them from their surroundings and play important roles in decomposing organic matter and recycling nutrients in ecosystems. They can also cause diseases in plants, animals, and humans.
45.
The presence of visible debris such as dirt, hair, or microbes on an item’s surface is known as ________________.
Correct Answer
B. Contamination
Explanation
Contamination refers to the presence of visible debris such as dirt, hair, or microbes on an item's surface. Sterilization, on the other hand, is the process of completely eliminating all forms of microbial life, including bacteria, viruses, and fungi. Sterile means free from any living microorganisms, while disinfection is the process of reducing the number of microorganisms on a surface. Therefore, contamination is the correct term to describe the presence of visible debris on an item's surface.
46.
The two steps of infection control are ________________ then disinfecting.
Correct Answer
D. Cleaning
Explanation
The two steps of infection control are cleaning, which involves removing dirt, debris, and germs from surfaces, followed by disinfecting, which involves using chemicals to kill any remaining germs. Cleaning is necessary to physically remove the germs from surfaces before disinfection can effectively kill them.
47.
The methods of sterilization that incorporates the use of heat and pressure is a(n) ________________.
Correct Answer
A. Autoclave
Explanation
An autoclave is a device that uses heat and pressure to sterilize objects. It is commonly used in medical and laboratory settings to kill bacteria, viruses, and other microorganisms. The high temperature and pressure created inside the autoclave create an environment that is inhospitable to these pathogens, ensuring that the objects being sterilized are safe to use. Therefore, the correct answer for the given question is autoclave.
48.
Disinfectants must be registered with the ________________.
Correct Answer
B. EPA
Explanation
Disinfectants must be registered with the EPA (Environmental Protection Agency). The EPA is responsible for regulating and approving disinfectants to ensure they meet the necessary safety and efficacy standards. This registration process helps to protect public health and the environment by ensuring that disinfectants are properly tested and labeled before they are sold and used.
49.
As of 2015, federal and state law requires manufacturers to provide product information on the ________________.
Correct Answer
A. SDS
Explanation
As of 2015, federal and state law requires manufacturers to provide product information on the SDS. The SDS stands for Safety Data Sheet, which is a document that contains information about the potential hazards of a product, as well as instructions for safe handling, storage, and disposal. This requirement ensures that consumers and workers have access to important safety information regarding the products they use or are exposed to.
50.
The Occupational Safety and Health Administration (OSHA) was created as part of the ________________.
Correct Answer
C. DOL
Explanation
The correct answer is DOL, which stands for the Department of Labor. The Occupational Safety and Health Administration (OSHA) was created as part of the Department of Labor. OSHA is responsible for ensuring safe and healthy working conditions for employees by setting and enforcing standards and providing training, outreach, education, and assistance.