NCCT Prep-ma-medical Procedures A-d
THIS SECTION IS TIMED. THIS IS TO GIVE YOU SOME PRACTICE FOR THE REAL NCCT TEST THAT IS TIMED THIS IS BASIC KNOWLEDGE FOR MA'S AND JUST BE SURE TO READ THE QUESTIONS CAREFULLY! ncct prep questions for 2011 book
Questions and Answers
- 1.
Every medical facility is required by OSHA to have an exposure control plan.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
According to OSHA (Occupational Safety and Health Administration) regulations, every medical facility is mandated to have an exposure control plan. This plan ensures the safety and protection of healthcare workers from potential exposure to bloodborne pathogens or other hazardous materials. It outlines procedures, training, and equipment necessary to prevent and respond to such exposures. Therefore, it is true that every medical facility must have an exposure control plan as per OSHA requirements.Rate this question:
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- 2.
The exposure control plan shall be made available to Assistant Secretary and the Director OSHA upon request for examination and copying
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The exposure control plan is a document that outlines the measures and procedures implemented by an organization to minimize employee exposure to hazardous substances. It is a crucial component of workplace safety and compliance with OSHA regulations. As such, it is necessary for the plan to be readily accessible to the Assistant Secretary and the Director of OSHA for examination and copying upon request. This ensures that the organization is transparent and accountable for their safety practices. Therefore, the statement is true.Rate this question:
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- 3.
"HIV' means_______
- A.
Hepatitis B virus
- B.
Hepatitis C virus
- C.
Human immunodeficiency virus
- D.
Human infectious virus
Correct Answer
C. Human immunodeficiency virusExplanation
The correct answer is "human immunodeficiency virus." HIV stands for human immunodeficiency virus, which is a virus that attacks the immune system, specifically the CD4 cells (T cells), and weakens the body's ability to fight off infections and diseases.Rate this question:
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- 4.
_______ means any contaminated objects that can penetrate the skkin including, but not limited to needles, scalpels, broken glass, broken capillary tube, and exposed ends of dental wires.
- A.
"Contaminated Devices"
- B.
"Disposable Devices"
- C.
"Contaminated Sharps"
- D.
"Dangerous Incisor"
Correct Answer
C. "Contaminated Sharps"Explanation
The term "Contaminated Sharps" refers to any objects that are contaminated and can penetrate the skin, such as needles, scalpels, broken glass, broken capillary tubes, and exposed ends of dental wires. These objects pose a risk of transmitting infectious agents if they come into contact with a person's skin. It is important to handle and dispose of contaminated sharps properly to prevent injuries and the spread of infections.Rate this question:
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- 5.
Reasonable anticipated skin,eye, mucous membrane, or parenteral contact with blood, or other potentially infectious materials that may result from the performance of an employee's duties is called_______
- A.
Occupational exposure
- B.
Daily risk
- C.
Occupational risk
- D.
Professional threat
Correct Answer
A. Occupational exposureExplanation
Occupational exposure refers to the potential contact with blood or other infectious materials that an employee may encounter while performing their duties. This can include skin, eye, mucous membrane, or parenteral contact. It is important for employers to take measures to minimize occupational exposure and ensure the safety of their employees. The term "occupational exposure" accurately describes the situation described in the question.Rate this question:
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- 6.
Any individual, living or dead, whose blood, or other potentially infectious materials may be a source of occupational exposure to the employee is called a(n)_______
- A.
Hazardous individual
- B.
Source individual
- C.
Infected specimen
- D.
Quarantined source
Correct Answer
B. Source individualExplanation
A source individual refers to any individual, living or dead, whose blood or other potentially infectious materials may pose a risk of occupational exposure to an employee. This term is used in the context of ensuring workplace safety and preventing the transmission of infections or diseases. It encompasses individuals who may carry infectious agents, such as HIV or hepatitis, and could potentially expose others to these pathogens. The term "source individual" highlights the importance of identifying and managing individuals who may pose a risk in occupational settings.Rate this question:
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- 7.
To use a physical chemical procedure to destroy all microbial life including highly resistant bacterial enospores is to______.
- A.
Eradicate
- B.
Detoxify
- C.
Sterilize
- D.
Acid wash
Correct Answer
C. SterilizeExplanation
To use a physical chemical procedure to destroy all microbial life including highly resistant bacterial endospores is to sterilize. Sterilization refers to the process of eliminating or killing all forms of microbial life, including bacteria, viruses, and spores. This procedure ensures complete eradication of any potential pathogens and renders the object or area free from any microbial contamination.Rate this question:
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- 8.
_______ is the single most important source of HIV and HBV in the workplace.
- A.
Semen
- B.
Saliva in dental procedures
- C.
Pleural fluid
- D.
Blood
Correct Answer
D. BloodExplanation
Blood is the single most important source of HIV and HBV in the workplace because these viruses are primarily transmitted through blood-to-blood contact. HIV and HBV can be present in the blood of infected individuals, and if proper precautions are not taken, such as the use of personal protective equipment, healthcare workers and others who come into contact with blood can be at risk of contracting these viruses. Therefore, blood poses the highest risk for transmitting HIV and HBV in the workplace.Rate this question:
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- 9.
The risk of infection with HIV following one needle-stick exposure to blood from a patient known to be infected with HIV is approximately___________
- A.
0.01%
- B.
0.50%
- C.
1.00%
- D.
5.00%
Correct Answer
B. 0.50%Explanation
The risk of infection with HIV following one needle-stick exposure to blood from a patient known to be infected with HIV is approximately 0.50%. This means that there is a 0.50% chance of contracting HIV after being exposed to the infected blood through a needle-stick. It is important for healthcare workers to take proper precautions to minimize the risk of exposure and follow appropriate protocols in case of such incidents.Rate this question:
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- 10.
General infection-control procedures are designed to prevent transmission of a wide range of_________and to provide a wide margin of safety in the caried situations encountered in the health-care environment.
- A.
Diseases
- B.
Conditions
- C.
Microbiological agents
- D.
Sickness
Correct Answer
C. Microbiological agentsExplanation
General infection-control procedures are designed to prevent the transmission of a wide range of microbiological agents in the healthcare environment. These procedures aim to provide a wide margin of safety by implementing measures such as hand hygiene, proper use of personal protective equipment, disinfection, and sterilization. By targeting microbiological agents, which include bacteria, viruses, fungi, and parasites, these procedures help reduce the risk of infection and ensure the safety of both healthcare workers and patients.Rate this question:
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- 11.
"Contact with blood, or other body fluids to which universal precautions apply through percutaneous inoculation, or contact with an open wound, non-intat skin, or mucous membrane during the performance of normal duties" this definition (found in the Federal Register) applies to __________
- A.
Human exposure
- B.
Exposed worker
- C.
Worker stress
- D.
Stressed worker
Correct Answer
A. Human exposureExplanation
The definition provided in the Federal Register states that "Contact with blood, or other body fluids to which universal precautions apply through percutaneous inoculation, or contact with an open wound, non-intact skin, or mucous membrane during the performance of normal duties" applies to human exposure. This means that the definition is specifically referring to situations where individuals come into contact with blood or body fluids in a way that could potentially lead to exposure to infectious diseases or pathogens.Rate this question:
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- 12.
All workers whose jobs involve participation in tasks, or activities with exposure to blood, or other body fluids to which universal precautions apply, should be vaccinated with _______ vaccine.
- A.
Human immunodeficiency
- B.
Hepatitis C
- C.
Small pox
- D.
Hepatitis B
Correct Answer
D. Hepatitis BExplanation
All workers who are exposed to blood or other body fluids that may contain infectious diseases should be vaccinated with the hepatitis B vaccine. This vaccine provides protection against hepatitis B, a viral infection that can be transmitted through contact with infected blood or bodily fluids. Hepatitis B is a serious disease that can cause liver damage and even death, so it is important for workers in high-risk occupations to be vaccinated to prevent infection.Rate this question:
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- 13.
________testing should be made available by the employer to all workers who maybe concerned they have been infected with HIV through an occupational eposure.
- A.
Serologic
- B.
Blood
- C.
Immediate
- D.
Bacterial
Correct Answer
A. SerologicExplanation
Serologic testing should be made available by the employer to all workers who may be concerned they have been infected with HIV through an occupational exposure. Serologic testing refers to the examination of blood serum to detect the presence of antibodies or antigens related to a particular infection or disease, in this case, HIV. This type of testing is important for early detection and diagnosis of HIV infection, allowing for prompt medical intervention and prevention of further transmission. By offering serologic testing, employers can ensure the health and safety of their workers and prevent the spread of HIV in the workplace.Rate this question:
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- 14.
Studies suggest that the potential for salivary transmission of HIV is______
- A.
Frequent
- B.
25%
- C.
Remote
- D.
As frequent as blood transmission
Correct Answer
C. RemoteExplanation
The correct answer is "remote". This suggests that the potential for salivary transmission of HIV is very low or unlikely. It implies that the chances of transmitting HIV through saliva are minimal compared to other modes of transmission, such as blood transmission.Rate this question:
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- 15.
After they are used, disposable syringes and needles, scalpel blades, and other sharp items should be placed in_____containers for disposal.
- A.
Biodegradable
- B.
Puncture-resistant
- C.
OSHA
- D.
Sanitized
Correct Answer
B. Puncture-resistantExplanation
After they are used, disposable syringes and needles, scalpel blades, and other sharp items should be placed in puncture-resistant containers for disposal. This is because these items can cause injuries if not handled properly, and puncture-resistant containers are designed to prevent accidental needle sticks or cuts. By using puncture-resistant containers, healthcare workers can safely dispose of these sharp items without risking harm to themselves or others.Rate this question:
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- 16.
Broken glassware which may be contaminated shall not be picked up directly with the hands, but by mechanical means, such as_______
- A.
By a lab technician
- B.
An evacuated tube
- C.
A brush and dust pan
- D.
Gloved hands
Correct Answer
C. A brush and dust panExplanation
Broken glassware that may be contaminated should not be picked up directly with the hands to avoid the risk of injury or contamination. Instead, it should be picked up using mechanical means such as a brush and dust pan. This method ensures that the glass fragments are safely collected without any direct contact with the hands, reducing the risk of cuts or exposure to harmful substances.Rate this question:
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- 17.
Contaminated laundry shall be_______ where it was soiled.
- A.
Destroyed at the location
- B.
Transprted away from the location
- C.
Disinfected or discarded at the location
- D.
Bagged or containerized at the location
Correct Answer
D. Bagged or containerized at the locationExplanation
Contaminated laundry should be bagged or containerized at the location where it was soiled. This is important to prevent the spread of any potential contaminants or pathogens present in the laundry. By bagging or containerizing the contaminated laundry, it can be safely transported to the appropriate area for further processing, such as disinfection or discarding. This practice helps to maintain a clean and safe environment, minimizing the risk of contamination to individuals handling the laundry or coming into contact with it.Rate this question:
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- 18.
All spills of lood-contaminated fluids should be promptly cleaned up using_____approved germicide, or a 1:10 solution of household bleach.
- A.
An OSHA
- B.
An EPA
- C.
A hospital or clinic
- D.
A consumer
Correct Answer
B. An EPAExplanation
The correct answer is an EPA. The EPA (Environmental Protection Agency) is responsible for protecting human health and the environment. They provide guidelines and regulations for the proper handling and cleanup of hazardous materials, including blood-contaminated fluids. Using an EPA-approved germicide or a solution of household bleach is in accordance with their recommendations to ensure the safe and effective cleanup of spills.Rate this question:
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- 19.
In cases of blood contamination shoe coverings and gloves should be disposed of in ________biohazard plastic bags.
- A.
Black
- B.
Clearly marked
- C.
Orange-red
- D.
Transparent
Correct Answer
C. Orange-redExplanation
In cases of blood contamination, it is important to dispose of shoe coverings and gloves in orange-red biohazard plastic bags. The color orange-red is commonly associated with biohazard materials, indicating that the contents inside the bag are potentially infectious or hazardous. Using orange-red bags helps to clearly identify and separate contaminated items, ensuring proper disposal and minimizing the risk of spreading infections or contaminants.Rate this question:
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- 20.
It is recommended that protective masks and eye wear, or face shields, be worn by laboratory technicians, or housekeeping personnel ______
- A.
When cleaning up blood or body fluids
- B.
At all times in the laboratory
- C.
When routinely cleaning equipment
- D.
When scrubbing laboratory floors
Correct Answer
A. When cleaning up blood or body fluidsExplanation
Protective masks and eye wear, or face shields, should be worn by laboratory technicians or housekeeping personnel when cleaning up blood or body fluids to prevent the spread of infectious diseases and protect themselves from potential contamination.Rate this question:
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- 21.
Blood from all individuals should be considered______.
- A.
Decontaminated
- B.
Infective or infectious
- C.
Biodegradable
- D.
Chemically hazardous
Correct Answer
B. Infective or infectiousExplanation
Blood from all individuals should be considered infective or infectious because it may contain pathogens such as bacteria or viruses that can cause infections or diseases. Proper handling and disposal of blood is necessary to prevent the spread of these pathogens to others.Rate this question:
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- 22.
When taking vital signs, a medical assistant must wear gloves, gowns, and eye wear.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The statement is false because when taking vital signs, a medical assistant is not required to wear gloves, gowns, and eye wear. Vital signs such as measuring blood pressure, heart rate, temperature, and respiratory rate can be taken without the need for personal protective equipment. However, it is important for the medical assistant to practice proper hand hygiene before and after taking vital signs to prevent the spread of infection.Rate this question:
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- 23.
A specific eye, maouth, other mucous membrane, non-intact skin, or parenteral contact with blood, or other potentially infectious materials that results from the performance of an employees duties is called_____
- A.
Unfortunate incident
- B.
Hazardous exposure
- C.
Occupational hazard
- D.
Expsure incident
Correct Answer
D. Expsure incidentExplanation
An exposure incident refers to a specific contact with potentially infectious materials that occurs while performing work duties. This can include contact with the eyes, mouth, mucous membranes, non-intact skin, or through parenteral contact with blood or other infectious substances. It is considered an occupational hazard because it poses a risk to the employee's health and safety.Rate this question:
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- 24.
The term " Universal Precautions" is an ______.
- A.
Organization to promote infection control
- B.
Overall approach to infection control
- C.
Organizational approach to following EPA guidelines
- D.
Abbreviation for Wold Health Organization standards
Correct Answer
B. Overall approach to infection controlExplanation
The term "Universal Precautions" refers to an overall approach to infection control. It is a set of guidelines and practices that are designed to prevent the transmission of infectious diseases in healthcare settings. These precautions involve treating all patients as if they are potentially infectious, regardless of their actual diagnosis. By following universal precautions, healthcare workers can minimize the risk of spreading infections and ensure the safety of both themselves and their patients.Rate this question:
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- 25.
Vaccinations against HBV infection provide 90% protection against hepatitis B for ______ or more years following vaccination.
- A.
Seven
- B.
Ten
- C.
Four
- D.
Twelve
Correct Answer
A. SevenExplanation
Vaccinations against HBV infection provide 90% protection against hepatitis B for seven or more years following vaccination. This means that after receiving the vaccine, individuals are protected from hepatitis B for at least seven years. It is important to note that the protection may last even longer than seven years, but the minimum duration of protection is seven years.Rate this question:
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- 26.
The first line of defense in preventing disease is ________
- A.
Wearing a mask
- B.
The medical hand wash
- C.
Wearing gloves
- D.
Wearing a gown
Correct Answer
B. The medical hand washExplanation
The first line of defense in preventing disease is the medical hand wash. Washing hands with soap and water is a simple and effective way to remove germs and prevent the spread of infections. It helps to eliminate harmful bacteria and viruses that may be present on the hands, reducing the risk of getting sick or transmitting diseases to others. Regular hand washing is especially important before eating, after using the restroom, and after being in public places to maintain good hygiene and protect against various illnesses.Rate this question:
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- 27.
Biohazard labels must be colored______
- A.
Blue
- B.
Orange-red
- C.
Green
- D.
Grey-black
Correct Answer
B. Orange-redExplanation
Biohazard labels must be colored orange-red because this color is universally recognized as a warning color for hazardous materials. It is easily distinguishable and stands out, ensuring that people can quickly identify and take necessary precautions when encountering biohazardous substances. The orange-red color also signifies danger and alerts individuals to the potential risks associated with handling or being exposed to biohazards. This helps to prevent accidents, protect the health and safety of individuals, and ensure proper handling and disposal of biohazardous materials.Rate this question:
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- 28.
What federal agency requires the use of Sharps Containers?
- A.
Occupational Safety and Health Administration
- B.
Drug Enforcement Agency
- C.
Department of Defense
- D.
Law Enforcement Agency
Correct Answer
A. Occupational Safety and Health AdministrationExplanation
The correct answer is Occupational Safety and Health Administration. This federal agency is responsible for ensuring safe and healthy working conditions for employees in the United States. They require the use of Sharps Containers to prevent injuries and the spread of diseases in workplaces where sharps, such as needles or blades, are used. Sharps containers are designed to safely dispose of these hazardous materials and minimize the risk of accidental injuries.Rate this question:
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- 29.
Viruses can reproduce only in______
- A.
Dead cells
- B.
Living cells
- C.
Both dead and living cells
- D.
No correct answer
Correct Answer
B. Living cellsExplanation
Viruses are obligate intracellular parasites, meaning they require a host cell to reproduce and carry out their life cycle. They cannot replicate on their own and lack the necessary cellular machinery for reproduction. Therefore, they can only reproduce within living cells, where they hijack the host cell's machinery to replicate their genetic material and produce new virus particles. Dead cells do not possess the necessary cellular machinery for viral replication, so viruses cannot reproduce in them.Rate this question:
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- 30.
The process of killing all microorganisms in a certain area is called________
- A.
Disinfection
- B.
Washing
- C.
Sterilization
- D.
Dusting
Correct Answer
C. SterilizationExplanation
Sterilization is the correct answer because it refers to the process of killing all microorganisms, including bacteria, viruses, and fungi, in a certain area. This process is commonly used in medical settings, laboratories, and food preparation to ensure the complete elimination of any potential pathogens. Disinfection, on the other hand, refers to the reduction of microorganisms to a safe level, while washing and dusting are not specifically focused on killing microorganisms.Rate this question:
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- 31.
The autoclave sterilizes or completely destroys microorganism by combining________
- A.
Bleach and water under pressure
- B.
Acid with steam
- C.
Heat with steam under pressure
- D.
Hot water and soap
Correct Answer
C. Heat with steam under pressureExplanation
The autoclave sterilizes or completely destroys microorganisms by combining heat with steam under pressure. This process effectively kills bacteria, viruses, and other microorganisms by subjecting them to high temperatures and pressure. The heat helps to denature proteins and disrupt the cellular structures of the microorganisms, while the steam ensures that the heat is evenly distributed throughout the autoclave chamber. This combination of heat and steam under pressure is a highly effective method for sterilization in many industries, including healthcare and laboratory settings.Rate this question:
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- 32.
What kind of environment do microorganisms grow best in?
- A.
Cool and light
- B.
Warm and light
- C.
Cool and dark
- D.
Dark and warm
Correct Answer
D. Dark and warmExplanation
Microorganisms are best suited to grow in a dark and warm environment. Darkness allows them to thrive without competition from light-dependent organisms, while warmth provides an optimal temperature for their metabolic processes. This combination creates favorable conditions for their growth and reproduction.Rate this question:
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- 33.
A disease state that results from the invasion and growth of microorganisms in the body is
- A.
A syndrome
- B.
An infection
- C.
A laceration
- D.
An asepsis
Correct Answer
B. An infectionExplanation
An infection is a disease state that occurs when microorganisms invade and multiply in the body. This can be caused by bacteria, viruses, fungi, or parasites. Infections can range from mild to severe and can affect various parts of the body. Symptoms of an infection may include fever, inflammation, pain, and general malaise. Treatment for infections typically involves the use of antibiotics or antiviral medications, depending on the type of microorganism causing the infection.Rate this question:
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- 34.
Practices to achieve asepsis are known as _________
- A.
Medical asepsis
- B.
Contamination
- C.
Clean technique
- D.
Both a and c
Correct Answer
D. Both a and cExplanation
The correct answer is "both a and c" because practices to achieve asepsis can be referred to as medical asepsis and clean technique. Medical asepsis involves measures to prevent the spread of microorganisms in medical settings, such as hand hygiene, disinfection, and sterilization. Clean technique, on the other hand, focuses on maintaining a clean environment and using clean equipment to minimize the risk of infection. Both approaches aim to reduce the presence of pathogens and maintain a sterile or clean environment.Rate this question:
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- 35.
The process by which an object or area becomes unclean is
- A.
Contamination
- B.
Disinfection
- C.
Sterilization
- D.
Heat
Correct Answer
A. ContaminationExplanation
Contamination refers to the process in which an object or area becomes unclean. It involves the introduction of harmful or unwanted substances, such as dirt, bacteria, or pollutants, into the object or area. This can occur through direct contact, airborne particles, or other means. Contamination can pose a risk to health and safety, as it can lead to the spread of disease or the degradation of materials. Therefore, it is important to prevent and control contamination through proper cleaning, hygiene practices, and maintenance.Rate this question:
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- 36.
You should wash your hands for approximately_______
- A.
15 seconds
- B.
1 to 2 minutes
- C.
10 minutes
- D.
5 minutes
Correct Answer
B. 1 to 2 minutes -
- 37.
When you wash your hands you should stand _____
- A.
Up against the sink
- B.
Five inches from the sink
- C.
So your clothes do not touch the sink
- D.
No correct answer
Correct Answer
C. So your clothes do not touch the sinkExplanation
When washing hands, it is recommended to stand so that your clothes do not touch the sink. This helps to prevent any potential contamination or transfer of germs from the sink to your clothes. Standing in this manner ensures proper hygiene and cleanliness while washing hands.Rate this question:
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- 38.
The faucet is turned off with ______
- A.
Your arm
- B.
A paper towel
- C.
Your hand
- D.
No correct answer
Correct Answer
B. A paper towelExplanation
Using a paper towel to turn off the faucet can be a hygienic practice, especially in public spaces. By using a paper towel, you can avoid direct contact with potentially dirty surfaces, reducing the risk of spreading germs. Additionally, paper towels can provide a better grip on the faucet handle, making it easier to turn off the water without using excessive force. Overall, using a paper towel as a barrier between your hand and the faucet can help maintain cleanliness and prevent the transmission of germs.Rate this question:
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- 39.
A health care worker who unconsciously transports harmful bacteria but is not ill is called a(n)___________
- A.
Pre-infected
- B.
Carrier
- C.
Infectious
- D.
Immune
Correct Answer
B. CarrierExplanation
A health care worker who unconsciously transports harmful bacteria but is not ill is called a carrier. This means that the person is carrying the bacteria and can potentially transmit it to others, even though they themselves do not show any symptoms or signs of being infected. This is concerning because carriers can unknowingly spread infections to vulnerable individuals, such as patients or other healthcare workers. It is important to identify carriers and take appropriate measures to prevent the spread of infection.Rate this question:
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- 40.
Groups or clusters of bacteria taken for laboratory study are called_________
- A.
Families
- B.
Fungi
- C.
Cultures
- D.
Viruses (viri)
Correct Answer
C. CulturesExplanation
In laboratory studies, groups or clusters of bacteria are referred to as "cultures". This term is used to describe the collection of bacteria that are grown and maintained in a controlled environment for research or diagnostic purposes. Cultures allow scientists to study the characteristics, behavior, and growth patterns of specific bacteria strains.Rate this question:
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- 41.
The patient with an infection may have_______
- A.
Loss of appetite and fatigue
- B.
Fever, nausea, rash and vomiting
- C.
Pain, redness or swelling
- D.
All answers are correct
Correct Answer
D. All answers are correctExplanation
The patient with an infection may experience various symptoms such as loss of appetite and fatigue, fever, nausea, rash and vomiting, as well as pain, redness or swelling. These symptoms can vary depending on the type and severity of the infection. Therefore, all the given answers are correct as they describe possible symptoms that can be present in a patient with an infection.Rate this question:
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- 42.
Diseases that can be communicated from one person to another are called ________
- A.
Catching
- B.
Contagious
- C.
Germicides
- D.
Decontaminated
Correct Answer
B. ContagiousExplanation
The correct answer is "contagious". Diseases that can be communicated from one person to another are referred to as contagious. This means that the disease can spread through direct or indirect contact with an infected individual, such as through respiratory droplets, bodily fluids, or contaminated surfaces. It is important to take necessary precautions to prevent the transmission of contagious diseases, such as practicing good hygiene, wearing masks, and maintaining social distancing.Rate this question:
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- 43.
When using a fire extinguisher the hose should be directed to the ______
- A.
Middle of the fire
- B.
Top of the fire
- C.
Around the fire
- D.
Base of the fire
Correct Answer
D. Base of the fireExplanation
When using a fire extinguisher, the hose should be directed to the base of the fire. This is because the base of the fire is where the fuel source is located. By aiming the hose at the base, the extinguishing agent can effectively smother the fire and cut off its oxygen supply, thus helping to extinguish the flames. Aiming the hose at the middle, top, or around the fire would not be as effective in suppressing the fire, as it would not target the source of the flames.Rate this question:
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- 44.
Aerobic bacteria prefer which of these environmental conditions to grow well?
- A.
Increased nitrogen concentration
- B.
An extremely dry environment
- C.
Oxygen
- D.
Temperature
Correct Answer
C. OxygenExplanation
Aerobic bacteria require oxygen to grow and thrive. They have the ability to use oxygen as a final electron acceptor in their metabolic processes, which allows them to generate energy efficiently. Without oxygen, these bacteria cannot carry out aerobic respiration and their growth is severely limited. Therefore, oxygen is the preferred environmental condition for aerobic bacteria to grow well.Rate this question:
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- 45.
How quickly will an electronic thermometer measure body temperature?
- A.
7 to 8 minutes
- B.
3 minutes
- C.
2 to 60 seconds
- D.
5 minutes
Correct Answer
C. 2 to 60 secondsExplanation
An electronic thermometer is designed to measure body temperature quickly and accurately. It uses advanced technology to provide a reading within a short time frame. The range of 2 to 60 seconds indicates that the thermometer can give a temperature reading in as little as 2 seconds or take up to 60 seconds, depending on factors such as the specific model and the individual's body temperature. Therefore, the correct answer is 2 to 60 seconds.Rate this question:
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- 46.
Which of the following locations is usually used for taking a pulse?
- A.
Apical pulse
- B.
Radial pulse
- C.
Brachial pulse
- D.
Apical-radial pulse
Correct Answer
B. Radial pulseExplanation
The radial pulse is usually used for taking a pulse. The radial artery is located on the wrist, on the thumb side. It is easily accessible and commonly used to measure the heart rate by feeling the pulsations of the artery. The pulse can be easily felt by placing two fingers (usually the index and middle finger) on the radial artery and applying slight pressure. This location is commonly used because it provides an accurate and convenient way to assess the heart rate.Rate this question:
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- 47.
What is considered a normal adult pulse rate?
- A.
70-170
- B.
90-130
- C.
70-80
- D.
60-100
Correct Answer
D. 60-100Explanation
A normal adult pulse rate refers to the average number of times the heart beats per minute in a resting state. The range of 60-100 beats per minute is considered normal for most adults. This range indicates that the heart is functioning properly and efficiently, pumping an adequate amount of blood throughout the body. A pulse rate below or above this range may indicate an underlying health condition that requires further evaluation and medical attention.Rate this question:
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- 48.
The radial pulse is located in the _______
- A.
Chest
- B.
Neck
- C.
Wrist
- D.
Head
Correct Answer
C. WristExplanation
The radial pulse is located in the wrist. It is the pulse that can be felt on the thumb side of the wrist, just below the base of the thumb. This pulse is an important indicator of the heart rate and rhythm, as it corresponds to the pulsations of the radial artery. Monitoring the radial pulse can provide valuable information about a person's cardiovascular health and can be used to assess the effectiveness of certain medical treatments or interventions.Rate this question:
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- 49.
The least reliable measurement of body temperature is_____
- A.
Rectal
- B.
Oral
- C.
Axillary
- D.
All are equally reliable
Correct Answer
C. AxillaryExplanation
The axillary measurement is considered the least reliable measurement of body temperature. This is because it is taken in the armpit, which is further away from the body's core and can be influenced by external factors such as clothing or ambient temperature. Rectal and oral measurements are generally more accurate as they are closer to the body's core temperature.Rate this question:
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- 50.
The most accurate and reliable measurement of body temperature is_______
- A.
Rectal
- B.
Oral
- C.
Axillary
- D.
Nasal
Correct Answer
A. RectalExplanation
Rectal temperature measurement is considered the most accurate and reliable method for measuring body temperature. This is because the rectum is closer to the body's core, providing a more accurate reflection of internal body temperature. Additionally, the rectal method eliminates the potential for external factors, such as environmental temperature, to influence the reading. While oral, axillary, and nasal methods can also provide temperature readings, they are generally considered less accurate and reliable compared to the rectal method.Rate this question:
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Apr 09, 2024Quiz Edited by
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Dec 08, 2012Quiz Created by
Mjhernandez99
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