IAHCSMM CRCST Practice Test Question & Answers
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Are you studying to be a service technician and think you are well prepared for the exam? Attempt these IAHCSMM CRCST practice test questions & answers and check your preparation level. Service technicians ensure that all the materials used in the hospital are properly sterilized. The practice test below is designed to help you pass and refresh your memory before appearing for the Certified Registered Central Service Technician exams.
Central service technicians play a crucial role in healthcare facilities by ensuring that medical instruments and equipment are properly cleaned, sterilized, and maintained to prevent infections and promote patient safety. Read moreThe CRCST certification is recognized as a standard of excellence in the field, indicating proficiency in various aspects of sterile processing, including decontamination techniques, infection control principles, and instrument assembly and packaging procedures. This practice test serves as a comprehensive preparatory tool designed to assess and enhance the knowledge and skills required for the CRCST certification exam. Test yourself now!
IAHCSMM CRCST Questions and Answers
- 1.
________are often pathogenic to humans because they grow best at body temperatures.
- A.
Gram-Stain
- B.
Spores
- C.
Bacillus
- D.
Mesophiles
Correct Answer
D. MesophilesExplanation
Mesophiles are often pathogenic to humans because they grow best at body temperatures. Mesophiles are organisms that thrive at moderate temperatures, typically between 20-45 degrees Celsius. Since the human body temperature is around 37 degrees Celsius, mesophiles find the conditions inside the human body to be ideal for growth and reproduction. This makes them more likely to cause infections and diseases in humans.Rate this question:
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- 2.
Used to visualize the entire large intestine.
- A.
Sigmoidoscope
- B.
Colonoscope
Correct Answer
B. ColonoscopeExplanation
A colonoscope is used to visualize the entire large intestine. It is a long, flexible tube with a light and camera at the end that allows doctors to examine the colon and rectum for any abnormalities or signs of disease. The colonoscope can be inserted through the anus and guided through the entire length of the colon, providing a detailed view of the intestinal lining. This procedure, known as a colonoscopy, is commonly used for screening and diagnosing conditions such as colon cancer, polyps, and inflammatory bowel disease.Rate this question:
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- 3.
Herpes Simplex is a BLANK disease.
- A.
Ziehl-Nielson Stain
- B.
Viral
- C.
Fungus
- D.
Susceptible host
Correct Answer
B. ViralExplanation
Herpes Simplex is a viral disease.Rate this question:
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- 4.
Recommended air exchanges for the clean/sterile storage area of CS Dept
- A.
4 per hour
- B.
5 per hour
- C.
6 per hour
- D.
10 per hour
Correct Answer
A. 4 per hourExplanation
The recommended air exchanges for the clean/sterile storage area of the CS Department is 4. This means that the air in the storage area should be completely exchanged with fresh air four times per hour. This is important to maintain a clean and sterile environment, as it helps to remove any contaminants or particles that may be present in the air. A higher number of air exchanges can help to ensure a higher level of cleanliness and reduce the risk of contamination.Rate this question:
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- 5.
Bacteria that require free oxygen to grow are called BLANK bacteria.
- A.
Anaerobic
- B.
Aerobic
- C.
Viral
- D.
Vegetative
Correct Answer
B. AerobicExplanation
Bacteria that require free oxygen to grow are called aerobic bacteria. These bacteria rely on oxygen for their metabolic processes and energy production. They use oxygen as a final electron acceptor in their respiration, allowing them to efficiently convert nutrients into usable energy. This adaptation enables aerobic bacteria to thrive in oxygen-rich environments, such as the human body or aerobic wastewater treatment systems.Rate this question:
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- 6.
Leak testing should be performed on each flexible endoscope annually.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Leak testing should be performed on each flexible endoscope regularly, not just annually. Regular leak testing helps to ensure the safety and effectiveness of the endoscope by detecting any leaks or damage that may affect its performance or potentially harm the patient. Annual testing may not be sufficient to catch any issues that may arise throughout the year. Therefore, the statement that leak testing should be performed annually is false.Rate this question:
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- 7.
Microorganisms that are capable of forming a thick wall around themselves to survive in adverse conditions are called:
- A.
Spores
- B.
Flagella
- C.
Bacillus
- D.
Airborne
Correct Answer
A. SporesExplanation
Microorganisms that are capable of forming a thick wall around themselves to survive in adverse conditions are called spores. Spores are a dormant form of microorganisms that can withstand extreme temperatures, lack of nutrients, and other harsh environmental conditions. They have a protective outer layer that allows them to remain viable for extended periods until conditions become favorable for growth and reproduction. Spores are commonly produced by bacteria, fungi, and some protozoa as a survival strategy.Rate this question:
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- 8.
Loaner instruments trays that are received sterile from other facilities do not need to be decontaminated and resterilized before use.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Loaner instrument trays that are received sterile from other facilities still need to be decontaminated and resterilized before use. This is because even though the trays may have been sterilized at the sending facility, there is still a possibility of contamination during transportation or storage. To ensure patient safety, it is necessary to follow proper decontamination and sterilization protocols before using loaner instrument trays.Rate this question:
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- 9.
An organism, typically a biting insect or tick, that transmits a disease or parasite from one animal or plant to another
- A.
Droplet
- B.
Common Vehicle
- C.
Fomite
- D.
Vector
Correct Answer
D. VectorExplanation
A vector is an organism, such as a biting insect or tick, that can transmit diseases or parasites from one animal or plant to another. This means that it acts as a carrier for the disease or parasite, allowing it to be spread to different hosts. Vectors are important in the transmission of many diseases, such as malaria, dengue fever, and Lyme disease. They play a crucial role in the spread and persistence of these diseases in populations.Rate this question:
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- 10.
Endoscope channels should be cleaned and then left moist for storage.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Endoscope channels should be cleaned and then left dry for storage. Moisture left in the channels can promote the growth of bacteria and other microorganisms, increasing the risk of infection during subsequent use. Therefore, it is important to ensure that the channels are thoroughly dried after cleaning before storing the endoscope.Rate this question:
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- 11.
Powered surgical instruments have one of three power sources; electricity, air, or battery.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Powered surgical instruments can indeed have one of three power sources: electricity, air, or battery. These power sources provide the necessary energy to operate the instruments effectively during surgical procedures. Electricity-powered instruments are commonly used in operating rooms, while air-powered instruments, also known as pneumatic instruments, use compressed air to generate the required power. Battery-powered instruments offer the advantage of portability and can be used in situations where access to electricity or compressed air is limited. Therefore, the statement "Powered surgical instruments have one of three power sources; electricity, air, or battery" is true.Rate this question:
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- 12.
The desired flow of materials in a CS Dept; from soiled to clean to sterile.
- A.
Two-Way Workflow
- B.
Backwards
- C.
One-Way Workflow
- D.
Sideways
Correct Answer
C. One-Way WorkflowExplanation
The correct answer is "One-Way Workflow". This means that the desired flow of materials in a CS Dept goes from soiled to clean to sterile in a linear, sequential manner. It suggests that there is a specific direction and order in which materials should move, without any backtracking or sidetracking. This ensures efficiency and prevents cross-contamination or errors in the sterilization process.Rate this question:
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- 13.
Tetanus and botulism do not require free oxygen to grow, so they are classified as BLANK bacteria
- A.
Aerobic
- B.
Vegetative
- C.
Anaerobic
- D.
Cytoplasm
Correct Answer
C. AnaerobicExplanation
Tetanus and botulism are caused by bacteria that can grow and thrive in the absence of free oxygen. These bacteria are classified as anaerobic because they do not require oxygen for their growth and survival.Rate this question:
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- 14.
Modern powered surgical instruments are immersible.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Modern powered surgical instruments are not immersible. Immersible instruments are those that can be submerged in liquid for cleaning and sterilization purposes. However, powered surgical instruments contain electrical components and motors, which can be damaged if submerged in liquid. Therefore, they are typically designed to be cleaned and sterilized using other methods such as wiping or using chemical solutions.Rate this question:
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- 15.
_________ is the first step in the sterilization process.
- A.
Autoclaving
- B.
Disinfection
- C.
Decontamination
- D.
Inspection
Correct Answer
C. DecontaminationExplanation
Decontamination is the initial step in sterilization, involving the removal of contaminants from surfaces and instruments to minimize microbial presence. This preparatory phase ensures that subsequent sterilization methods, such as autoclaving or disinfection, can effectively eliminate any remaining microorganisms, ensuring the thorough sterilization of equipment and surfaces.Rate this question:
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- 16.
Using Gram-Stain classifications, Staphylococcus, Enterococcus, and Streptococcus are examples of Gram-BLANK bacteria.
- A.
Negative
- B.
Positive
Correct Answer
B. PositiveExplanation
Staphylococcus, Enterococcus, and Streptococcus are examples of Gram-Positive bacteria because they retain the violet crystal stain used in the Gram-Stain classification. Gram-Positive bacteria have a thick peptidoglycan layer in their cell wall, which traps the violet stain and gives them a purple color under the microscope. Gram-Negative bacteria, on the other hand, have a thinner peptidoglycan layer and an outer membrane that can be easily decolorized, causing them to take up the counterstain and appear pink.Rate this question:
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- 17.
Laparoscopic instrument insulation failure can cause burns.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Laparoscopic instrument insulation failure can cause burns because during laparoscopic procedures, instruments with electrical components are used. If the insulation on these instruments fails, it can lead to the direct contact of the electrical current with the patient's tissues, resulting in burns. This can be a serious complication during laparoscopic surgery and highlights the importance of ensuring proper insulation of instruments to prevent harm to the patient.Rate this question:
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- 18.
Central Service Technicians must wear special attire referred to as ____ to minimize their exposure to blood-borne pathogens and other contaminants.
- A.
PPE
- B.
OSHA
- C.
SCRUBS
- D.
CDC
Correct Answer
A. PPEExplanation
Central Service Technicians must wear special attire referred to as PPE (Personal Protective Equipment) to minimize their exposure to blood-borne pathogens and other contaminants. PPE includes gloves, gowns, masks, and other protective clothing that create a barrier between the technician and potentially infectious materials. Wearing PPE is essential in preventing the transmission of diseases and ensuring the safety of both the technician and the patients.Rate this question:
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- 19.
The bacterial reproductive process that takes place when a mother cell divides into two daughter cells is called:
- A.
Reproduction
- B.
Binary Fission
- C.
Binary Fusion
- D.
Division
Correct Answer
B. Binary FissionExplanation
Binary fission is the correct answer because it is the bacterial reproductive process in which a mother cell divides into two daughter cells. During binary fission, the DNA of the mother cell is replicated and then the cell divides into two genetically identical daughter cells. This process is common in bacteria and is essential for their growth and multiplication.Rate this question:
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- 20.
The purpose of a decontamination battery is to protect PSIs from fluid invasion.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The purpose of a decontamination battery is not to protect PSIs from fluid invasion. Instead, decontamination batteries are used to remove contaminants or impurities from surfaces, equipment, or environments, typically in industrial or hazardous settings. They are designed to sanitize or cleanse areas to ensure safety and prevent contamination, but their primary function is not to protect PSIs (pressure-sensitive indicators) from fluid invasion.Rate this question:
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- 21.
The healthcare dept. responsible for researching, ordering, receiving, and managing inventory (conumable supplies).
- A.
Bio-med
- B.
OR
- C.
Material Management Dept.
- D.
Nursery
Correct Answer
C. Material Management Dept.Explanation
The correct answer is Material Management Dept. because this department is typically responsible for researching, ordering, receiving, and managing inventory of consumable supplies in healthcare settings. Bio-med department is more focused on the maintenance and repair of medical equipment, while the nursery department is specifically related to the care of newborns. Therefore, Material Management Dept. is the most appropriate choice for the given responsibilities.Rate this question:
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- 22.
BLANK is defined as the state of being soiled or infected by contact with infectious organisms or other material.
- A.
Decontaminate
- B.
Viral
- C.
Contamination
- D.
Airborne
Correct Answer
C. ContaminationExplanation
Contamination is the correct answer because it refers to the state of being soiled or infected by contact with infectious organisms or other material. It implies that something has been contaminated with harmful substances or pathogens, which can pose a risk to health and safety.Rate this question:
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- 23.
Dental Drills are used to remove cement.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Dental drills are not used to remove cement. Instead, dental drills are primarily used for removing decayed or damaged parts of the tooth, preparing the tooth for fillings or crowns, and shaping or polishing the tooth surface. Cement removal is typically done using other dental instruments or techniques, such as chisels or ultrasonic scalers. Therefore, the correct answer is False.Rate this question:
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- 24.
What type of a pressure is required for decontamination areas?
- A.
Negative
- B.
Neutral
- C.
Forced air
- D.
Positive
Correct Answer
A. NegativeExplanation
Negative pressure is required for decontamination areas to prevent the spread of contaminants. This means that the air pressure inside the area is lower than the surrounding areas, causing air to flow into the decontamination area rather than out of it. This helps to contain any hazardous substances or contaminants within the decontamination area and minimize the risk of contamination spreading to other areas.Rate this question:
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- 25.
Most bacteria are approximately BLANK microns in size.
- A.
1 to 2
- B.
2 to 3
- C.
1 to 3
- D.
1
Correct Answer
A. 1 to 2Explanation
Most bacteria are approximately 1 to 2 microns in size. This range is commonly observed in bacterial species and is supported by scientific research and observations. Bacteria come in various shapes and sizes, but the majority fall within this size range. The size of bacteria is an important characteristic as it affects their ability to move, interact with their environment, and cause infections.Rate this question:
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- 26.
Automatic endoscope reprocessors are not recommended for flexible endoscopes.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Automatic endoscope reprocessors are recommended for flexible endoscopes. These reprocessors are designed to automate the cleaning, disinfection, and sterilization processes for endoscopes, including flexible ones. They provide a standardized and consistent approach to ensure proper cleaning and disinfection, reducing the risk of infection transmission. By using automatic reprocessors, healthcare facilities can improve efficiency, save time, and enhance patient safety. Therefore, the statement that automatic endoscope reprocessors are not recommended for flexible endoscopes is false.Rate this question:
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- 27.
Consistent delivery of products and services according to established standards; it "integrates" the concerns for the customers with those of the department and facility
- A.
Validation
- B.
Sterility Assurance Level (SAL)
- C.
Quality
- D.
ISO 9000
Correct Answer
C. QualityExplanation
Quality refers to the consistent delivery of products and services according to established standards. It involves integrating the concerns for the customers with those of the department and facility. This means that quality ensures that the products and services meet the expectations and requirements of the customers while also considering the internal processes and systems within the organization. It involves implementing processes and procedures to ensure that the products and services are of high quality and meet the desired standards.Rate this question:
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- 28.
The use of analytical skills to solve problems and make decisions is a component of which of the following knowledge and skills dimensions?
- A.
Communication abilities
- B.
Facility system responsabilities
- C.
Employability skills
- D.
Safety practices
Correct Answer
C. Employability skillsExplanation
The use of analytical skills to solve problems and make decisions is a component of employability skills. Employability skills refer to a set of skills, knowledge, and attitudes that enable individuals to be successful in the workplace. Analytical skills are highly valued by employers as they demonstrate the ability to think critically, analyze information, and make informed decisions. By utilizing analytical skills, individuals can effectively solve problems and contribute to the success of an organization.Rate this question:
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- 29.
Sunlight is lethal to the BLANK stage of pathogens.
- A.
Growth
- B.
Viral
- C.
Reproduction
- D.
Vegetative
Correct Answer
D. VegetativeExplanation
Sunlight is lethal to the vegetative stage of pathogens. Pathogens have different stages in their life cycle, including the vegetative stage, which is characterized by active growth and reproduction. Sunlight can have a detrimental effect on the vegetative stage of pathogens due to its ability to damage the DNA and cell structures of these microorganisms. This can lead to the inhibition or destruction of their growth and reproduction, making sunlight an effective natural disinfectant against pathogens in certain environments.Rate this question:
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- 30.
The first step to inspect the insulation of a laparoscopic instrument is to:
- A.
Check the collar at the distal tip
- B.
Try to slide the insulation back
- C.
Check the handle for chipping or cracking
- D.
Visually check the instrument's shaft
Correct Answer
A. Check the collar at the distal tipExplanation
To inspect the insulation of a laparoscopic instrument, the first step is to check the collar at the distal tip. This is because the collar is the part of the instrument that connects the shaft and the tip, and it is where the insulation is most likely to be damaged or worn out. By checking the collar, one can identify any signs of damage or wear in the insulation, which is crucial for ensuring the safety and effectiveness of the instrument during laparoscopic procedures.Rate this question:
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- 31.
Probability of a viable microorganism being present on a product unit after sterilization
- A.
Validation
- B.
Sterility Assurance Level (SAL)
- C.
Quality
- D.
ISO 9000
Correct Answer
B. Sterility Assurance Level (SAL)Explanation
The Sterility Assurance Level (SAL) refers to the probability of a viable microorganism being present on a product unit after sterilization. It is a measure of the effectiveness of the sterilization process in eliminating microorganisms. A lower SAL indicates a higher level of sterility assurance, meaning that there is a lower probability of viable microorganisms remaining on the product after sterilization. Therefore, the SAL is directly related to the probability of a viable microorganism being present on a product unit after sterilization.Rate this question:
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- 32.
Nosocomial infections are:
- A.
Most likely to accur during international travel
- B.
Caused by drug resistant organisms
- C.
Those without known cures
- D.
Those which occur in the course of being treated in the hospital
Correct Answer
D. Those which occur in the course of being treated in the hospitalExplanation
Nosocomial infections are infections that occur in the course of being treated in the hospital. These infections are acquired during a hospital stay and are not present or incubating at the time of admission. They can be caused by a variety of organisms, including drug-resistant ones. Nosocomial infections are not necessarily related to international travel and may have known cures or treatments available.Rate this question:
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- 33.
Healthy people do not harbor or transmit bacteria.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
This statement is false. Healthy people can indeed harbor and transmit bacteria. Bacteria can be present in various parts of the body, such as the skin, mouth, and intestines, without causing any harm or symptoms. However, they can still be transmitted through contact with bodily fluids, surfaces, or contaminated objects. Additionally, some bacteria are considered commensal, meaning they live in harmony with the host and provide benefits, while others may be pathogenic and cause infections. Therefore, it is incorrect to say that healthy people do not harbor or transmit bacteria.Rate this question:
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- 34.
Which of the following steps happens first when processing flexible endoscopes?
- A.
Leak-testing
- B.
High-level disinfecting/sterilizing
- C.
Manual cleaning
- D.
Drying
Correct Answer
C. Manual cleaningExplanation
The first step in processing flexible endoscopes is manual cleaning. This involves the removal of visible debris and organic material from the endoscope. Following manual cleaning, a leak test is performed to check for any leaks in the endoscope's channels or components. After passing the leak test, the endoscope undergoes high-level disinfection or sterilization to eliminate any remaining microorganisms. Finally, the endoscope is thoroughly dried to prevent microbial growth and prepare it for future medical procedures.Rate this question:
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- 35.
The human resources tool that identifies major tasks performed by persons in specific positions is called a:
- A.
Job duty list
- B.
Job specification
- C.
Task summary review
- D.
Job description
Correct Answer
D. Job descriptionExplanation
A job description is a human resources tool that identifies the major tasks performed by individuals in specific positions. It provides a detailed overview of the responsibilities, duties, qualifications, and requirements of a particular job. This document helps in attracting suitable candidates, setting performance expectations, and evaluating employee performance. It serves as a valuable resource for both managers and employees by providing clarity about job roles and responsibilities.Rate this question:
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- 36.
Anaerobic bacteria require free oxygen to live.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
Anaerobic bacteria do not require free oxygen to live. In fact, they are unable to survive in the presence of oxygen. These bacteria obtain their energy through processes that do not require oxygen, such as fermentation or anaerobic respiration. They are able to survive and thrive in environments where oxygen is absent or in low concentrations, such as deep-sea sediments, the human gut, or in certain types of infections. Therefore, the statement that anaerobic bacteria require free oxygen to live is false.Rate this question:
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- 37.
Which of the following should be used to thoroughly rinse (remove) all traces of disinfectant from an endoscope's channels?
- A.
Forced air
- B.
Water containing approved sterilant
- C.
Filtered water
- D.
A heated glutaraldehyde
Correct Answer
C. Filtered waterExplanation
Filtered water should be used to thoroughly rinse all traces of disinfectant from an endoscope's channels. This is because filtered water has been processed to remove impurities and contaminants, ensuring a clean and safe rinse. Using forced air, water containing approved sterilant, or a heated glutaraldehyde would not be as effective in removing all traces of disinfectant from the endoscope's channels.Rate this question:
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- 38.
A succession of progressively more responsible professional positions that serves as the foundation of a professional development plan.
- A.
Overcome
- B.
Career Ladder
- C.
Standing up
- D.
Succession Career
Correct Answer
B. Career LadderExplanation
A career ladder refers to a series of increasingly responsible positions that an individual can move up in their professional journey. It serves as the foundation for a professional development plan as it allows individuals to gradually progress in their careers, gaining more skills, experience, and responsibility along the way. This concept emphasizes the importance of continuous growth and advancement in one's professional life.Rate this question:
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- 39.
Viruses are larger than bacteria.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
This statement is incorrect. Viruses are actually smaller than bacteria. While bacteria are single-celled organisms that can be seen under a microscope, viruses are much smaller and can only be seen using an electron microscope. Viruses are composed of genetic material (DNA or RNA) surrounded by a protein coat, while bacteria are complete cells with their own genetic material, cell membrane, and other structures.Rate this question:
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- 40.
The purpose of using a decontamination battery or cord when cleaning powered surgical powered surgical instruments is:
- A.
To keep fluid from entering the unit
- B.
To keep functioning batteries and cords clean
- C.
To prevent electrial shock
- D.
To test the unit while cleaning
Correct Answer
A. To keep fluid from entering the unitExplanation
The decontamination battery or cord serves as a protective barrier, preventing fluids from entering the powered surgical instrument during the cleaning process. This helps maintain the integrity of the instrument and ensures its safe and effective operation.Rate this question:
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- 41.
Procedures used by equipment manufacturers to obtain, record, and interpret test results required to establish that a process consistently produces a sterile product
- A.
Validation
- B.
Sterility Assurance Level (SAL)
- C.
Quality
- D.
ISO 9000
Correct Answer
A. ValidationExplanation
Validation is the correct answer because it refers to the procedures used by equipment manufacturers to obtain, record, and interpret test results required to establish that a process consistently produces a sterile product. Validation is an essential step in ensuring the quality and safety of products, as it verifies that the manufacturing process is capable of consistently producing sterile products. It involves conducting tests and collecting data to demonstrate that the equipment and processes meet predetermined specifications and requirements.Rate this question:
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- 42.
Which of the following is the most popular title for the central service department head?
- A.
Coordinator
- B.
Director
- C.
Manager
- D.
Supervisor
Correct Answer
B. DirectorExplanation
The most popular title for the central service department head is "director." This title is commonly used to designate the individual who oversees and manages the central service department. Directors are typically responsible for setting the department's goals and objectives, making strategic decisions, and ensuring the smooth operation of the department. They often have a higher level of authority and responsibility compared to coordinators, managers, and supervisors.Rate this question:
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- 43.
The spore is the functional center of a cell.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The statement is incorrect. The spore is not the functional center of a cell. Spores are reproductive structures that are produced by some organisms, such as fungi and bacteria, as a means of reproduction and survival in unfavorable conditions. They are dormant structures that can remain inactive for long periods of time until conditions become favorable for growth and development. The functional center of a cell is typically the nucleus, which contains the genetic material and controls the cell's activities.Rate this question:
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- 44.
Endoscopes are often processed in a mechanical unit called:
- A.
An ultrasonic cleaner
- B.
A washer-decontaminator
- C.
A flush-pulse endoscope reprocessor
- D.
An automatic endoscope reprocessor
Correct Answer
D. An automatic endoscope reprocessorExplanation
An automatic endoscope reprocessor is a mechanical unit used for processing endoscopes. It is designed to clean, disinfect, and dry the endoscopes automatically, ensuring thorough and efficient processing. This unit helps to minimize the risk of contamination and infection by providing a standardized and controlled cleaning process. It is an essential tool in healthcare settings where endoscopes are used frequently, as it helps to maintain the safety and effectiveness of the equipment.Rate this question:
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- 45.
"-oscopy" is :
- A.
Inflammation of a joint
- B.
Skin disease
- C.
Visual examination of an organ or joint.
- D.
Fluid-filled sack
Correct Answer
C. Visual examination of an organ or joint.Explanation
The suffix "-oscopy" is commonly used in medical terminology to refer to visual examination procedures. In this case, "-oscopy" indicates the visual examination of an organ or joint. It is important to note that the other options, such as inflammation of a joint, skin disease, and fluid-filled sack, do not accurately describe the meaning of the suffix "-oscopy" in medical terminology.Rate this question:
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- 46.
Staphylococcus is classified as a gram-positive bacteria.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Staphylococcus is classified as a gram-positive bacteria because it retains the crystal violet stain during the Gram staining procedure. This indicates that its cell wall is composed of a thick layer of peptidoglycan, which is a characteristic feature of gram-positive bacteria. Gram-positive bacteria also lack an outer membrane, making them more susceptible to certain antibiotics.Rate this question:
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- 47.
The endoscope that would be dispensed for a procedure that required visualization of the lower part of the large intestine would be a:
- A.
Colonoscope
- B.
Sigmoidoscope
- C.
Gastroscope
- D.
Ureteroscope
Correct Answer
B. SigmoidoscopeExplanation
The sigmoidoscope would be the correct endoscope to use for a procedure that requires visualization of the lower part of the large intestine. The sigmoidoscope is specifically designed to examine the sigmoid colon, which is the S-shaped portion of the large intestine located just above the rectum. It allows for direct visualization of this area and can help diagnose conditions such as colorectal cancer, diverticulosis, and inflammatory bowel disease. The other options, such as the colonoscope, gastroscope, and ureteroscope, are used for different parts of the gastrointestinal or urinary tract and would not be appropriate for visualizing the lower part of the large intestine.Rate this question:
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- 48.
All microorganisms are harmful to humans.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The statement "All microorganisms are harmful to humans" is not true. While some microorganisms can cause diseases and harm humans, not all microorganisms are harmful. In fact, many microorganisms are beneficial to humans, such as those found in the human gut that aid in digestion. Additionally, microorganisms are used in various industries such as food production, medicine, and biotechnology. Therefore, the correct answer is False.Rate this question:
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- 49.
Loaner instruments should:
- A.
Be decontaminated if they appear soiled upon arrival
- B.
Be sterilized using a low temperature process
- C.
Be decontaminated before use
- D.
Not be used
Correct Answer
C. Be decontaminated before useExplanation
Loaner instruments should be decontaminated before use to ensure the safety and hygiene of the patients. This is important because loaner instruments may have been previously used by other patients and could potentially carry infectious agents or contaminants. By decontaminating the instruments before use, any potential risks of cross-contamination or infection can be minimized, providing a safer environment for both the healthcare provider and the patient. Sterilization using a low temperature process may not be sufficient to eliminate all contaminants, so decontamination is necessary as a preliminary step.Rate this question:
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- 50.
Central Service Technicians can protect patients by breaking the chain of infection.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Central Service Technicians can protect patients by breaking the chain of infection. This is true because Central Service Technicians are responsible for cleaning, disinfecting, and sterilizing medical instruments and equipment. By properly cleaning and sterilizing these items, they can eliminate or reduce the risk of infection transmission. Additionally, Central Service Technicians ensure that instruments are stored and transported correctly, minimizing the chances of contamination. Their diligent work in maintaining a clean and safe environment helps protect patients from potential infections and contributes to overall patient safety.Rate this question:
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Apr 15, 2024Quiz Edited by
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Aug 25, 2016Quiz Created by
Bob
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