Take Home Quiz Chapter 12

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Questions and Answers
  • 1. 

    A mnemonic is a:

    • A.

      Memory aid.

    • B.

      Number code.

    • C.

      Program icon.

    • D.

      Secret phrase.

    Correct Answer
    A. Memory aid.
    Explanation
    A mnemonic is a memory aid that helps individuals remember information or concepts by associating them with easily recallable cues or patterns. Mnemonics can take the form of acronyms, rhymes, or visual imagery, among others. They are designed to enhance memory retention and make information easier to retrieve when needed.

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  • 2. 

    A barcode is a:

    • A.

      Coded instruction needed to control computer hardware.

    • B.

      Confidential computer code that is required by the HIPAA

    • C.

      Series of bars and spaces representing numbers or letters.

    • D.

      Unique number given to each test request for ID purposes.

    Correct Answer
    C. Series of bars and spaces representing numbers or letters.
    Explanation
    A barcode is a series of bars and spaces representing numbers or letters. Barcodes are used to store and retrieve information about products, such as price, stock levels, and product details. They are scanned using a barcode reader, which translates the bars and spaces into the corresponding numbers or letters. This allows for quick and accurate identification and tracking of products in various industries, including retail, logistics, and healthcare.

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  • 3. 

    A pneumatic tube is a:

    • A.

      Pressurized air transportation system.

    • B.

      Temporary computer data storage unit.

    • C.

      Tube connection between two computers.

    • D.

      Type of collection tube for blood gases.

    Correct Answer
    A. Pressurized air transportation system.
    Explanation
    A pneumatic tube is a pressurized air transportation system that uses compressed air to transport objects or documents through a network of tubes. This system is commonly used in places like hospitals, banks, or offices to quickly and efficiently send items from one location to another. The pressurized air creates a flow that propels the objects through the tubes, allowing for fast and secure transportation.

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  • 4. 

    This is permanent computer memory that instructs the computer to carry out user-requested operations.

    • A.

      CPU

    • B.

      LIS

    • C.

      RAM

    • D.

      ROM

    Correct Answer
    D. ROM
    Explanation
    ROM stands for Read-Only Memory. It is a type of permanent computer memory that contains instructions or data that cannot be modified or erased by normal computer operations. ROM stores firmware or software instructions that are essential for the computer to start up and perform basic operations. It is non-volatile memory, meaning the data stored in ROM remains even when the computer is powered off. Therefore, ROM is responsible for instructing the computer to carry out user-requested operations.

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  • 5. 

    What is output?

    • A.

      Coded instruction used in computer processing

    • B.

      Information collected for analysis or computation

    • C.

      Processed information generated by the computer

    • D.

      Storage units for sharing information and resources

    Correct Answer
    C. Processed information generated by the computer
    Explanation
    The correct answer is "Processed information generated by the computer." This option accurately describes the output in computer processing. When a computer processes data or performs calculations, it generates a result or output. This output can be in the form of text, numbers, images, or any other type of information that the computer produces based on the input and the instructions given to it. Therefore, this option is the most appropriate explanation for the given question.

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  • 6. 

    Which one of the following methods should never be used to prevent exposure to aerosols generated when the stopper is removed from a specimen tube?

    • A.

      Covering the stopper with a 4 X 4-inch gauze while removing it

    • B.

      Removing the stopper with the tube held behind a shield

    • C.

      Using a specially designed safety stopper removal device

    • D.

      Withdrawing the specimen through the stopper by syringe

    Correct Answer
    D. Withdrawing the specimen through the stopper by syringe
    Explanation
    Withdrawing the specimen through the stopper by syringe should never be used to prevent exposure to aerosols generated when the stopper is removed from a specimen tube. This method involves pulling the specimen through the stopper, which can create a vacuum and potentially aerosolize any infectious material present in the tube. This increases the risk of exposure to the healthcare worker. Therefore, it is not a recommended method for preventing exposure to aerosols.

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  • 7. 

    Which one of the following describes proper aliquot preparation?

    • A.

      Immediately covering aliquot tubes after transferring the specimen

    • B.

      Labeling tubes after pipetting the sample into the aliquot tube

    • C.

      Pouring plasma from different additive tubes into one aliquot tube

    • D.

      Pouring samples into aliquot tubes instead of using transfer pipettes

    Correct Answer
    A. Immediately covering aliquot tubes after transferring the specimen
    Explanation
    Proper aliquot preparation involves immediately covering the aliquot tubes after transferring the specimen. This is important to prevent contamination or evaporation of the specimen, ensuring its integrity and accuracy for further testing or analysis. By covering the tubes promptly, the risk of external factors affecting the specimen is minimized, maintaining its quality until it is used or stored for future use.

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  • 8. 

    This organization developes standards for specimen handling and processing.

    • A.

      CDC

    • B.

      CLIA

    • C.

      CLSI

    • D.

      FDA

    Correct Answer
    C. CLSI
    Explanation
    CLSI stands for Clinical and Laboratory Standards Institute. It is an organization that develops standards for specimen handling and processing. These standards are important in ensuring the accuracy, reliability, and quality of laboratory testing. CLSI's guidelines help healthcare professionals and laboratories in implementing best practices for specimen collection, transportation, storage, and processing. By following these standards, healthcare providers can ensure that test results are accurate and reliable, leading to better patient care and outcomes.

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  • 9. 

    Interlace means:

    • A.

      Checking quality control results on instrumentation.

    • B.

      Entering data into a laboratory information system.

    • C.

      Interaction through the connection of computers.

    • D.

      Standardizing all laboratory ordering and testing.

    Correct Answer
    C. Interaction through the connection of computers.
    Explanation
    The term "interlace" refers to the process of connecting computers and enabling them to interact with each other. This can involve sharing information, exchanging data, or collaborating on tasks. It is a way to establish communication and facilitate the exchange of information between different computer systems.

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  • 10. 

    ESR determinations on specimens held at room temperature must be made within:

    • A.

      1 hour.

    • B.

      4 hours.

    • C.

      12 hours.

    • D.

      24 hours.

    Correct Answer
    B. 4 hours.
    Explanation
    ESR (Erythrocyte Sedimentation Rate) determinations measure the rate at which red blood cells settle in a tube over a period of time. This test is commonly used to detect inflammation or infection in the body. The correct answer is 4 hours because after this time, the accuracy of the test may be compromised. ESR values can change over time due to factors such as temperature, clotting, or degradation of the blood sample. Therefore, it is crucial to perform the ESR determination within 4 hours of specimen collection to obtain reliable results.

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  • 11. 

    Which of the following is the best way to prepare routine blood specimen tubes for transportation to the lab?

    • A.

      Place the tubes in ice slurry.

    • B.

      Seal the tubes in plastic bags.

    • C.

      Wipe each tube with alcohol.

    • D.

      Wrap the tubes in the requisitions.

    Correct Answer
    B. Seal the tubes in plastic bags.
    Explanation
    Sealing the tubes in plastic bags is the best way to prepare routine blood specimen tubes for transportation to the lab because it helps to prevent leakage and contamination. Plastic bags provide a secure and protective barrier, ensuring that the tubes remain intact during transportation. This method also helps to maintain the integrity of the specimens, reducing the risk of any external factors affecting the accuracy of the test results.

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  • 12. 

    Which of the following specimens are least likely to require special handling?

    • A.

      Bilirubin and serum folate

    • B.

      Cholesterol and uric acid

    • C.

      Gastrin and lactic acid

    • D.

      Homocysteine and renin

    Correct Answer
    B. Cholesterol and uric acid
    Explanation
    Cholesterol and uric acid are least likely to require special handling because they are stable and do not require any special precautions during collection, transportation, or storage. They can be easily measured in routine laboratory tests without the need for any specific handling instructions. On the other hand, specimens like bilirubin and serum folate, gastrin and lactic acid, and homocysteine and renin may require special handling due to their instability or sensitivity to light, temperature, or other factors.

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  • 13. 

    This is an example of a preanalytical error made at the time of collection.

    • A.

      Delay in transporting

    • B.

      Failing to mix tubes

    • C.

      Incomplete requisition

    • D.

      Waiting to centrifuge

    Correct Answer
    B. Failing to mix tubes
    Explanation
    Failing to mix tubes is an example of a preanalytical error made at the time of collection. This error occurs when the tubes containing the patient's sample are not properly mixed or inverted after collection. Mixing the tubes ensures that the anticoagulant or additive present in the tube is evenly distributed with the blood sample. Failing to mix the tubes can lead to inaccurate test results as the sample may not be properly mixed with the additive, affecting the stability and integrity of the sample.

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  • 14. 

    Transferring specimens into aliquot tubes has inherent risks.  Which of the following involves the least amount of risk?

    • A.

      Aerosols created during transfer

    • B.

      Aliquot tubes that are prelabeled

    • C.

      Serum and plasma's similar color

    • D.

      Specimens that are biohazardous

    Correct Answer
    B. Aliquot tubes that are prelabeled
    Explanation
    Transferring specimens into aliquot tubes can be risky due to potential contamination or mislabeling. However, using prelabeled aliquot tubes reduces these risks as they are already labeled correctly, minimizing the chances of misidentification. This eliminates the need for manual labeling, reducing the potential for errors. Therefore, using prelabeled aliquot tubes involves the least amount of risk compared to the other options mentioned.

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  • 15. 

    This is a source of preanalytical error that occurs before specimen collection.

    • A.

      Dehydrated patient

    • B.

      Misidentified patient

    • C.

      Mislabeled ETS tube

    • D.

      Wrong collection time

    Correct Answer
    A. Dehydrated patient
    Explanation
    A dehydrated patient can lead to preanalytical errors before specimen collection because dehydration can affect the composition of the blood and other bodily fluids. Dehydration can cause an increase in the concentration of certain substances in the blood, such as electrolytes and proteins, which can affect the accuracy of laboratory test results. Therefore, it is important to consider the hydration status of the patient before collecting a specimen to ensure accurate test results.

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  • 16. 

    HIPAA was enacted to:

    • A.

      Examine all patient healthcare records.

    • B.

      Protect HCW from malpractice issues.

    • C.

      Provide guidelines for sharing of PHI.

    • D.

      Standardize patient electronic records.

    Correct Answer
    C. Provide guidelines for sharing of PHI.
    Explanation
    HIPAA, or the Health Insurance Portability and Accountability Act, was enacted to provide guidelines for the sharing of Protected Health Information (PHI). This legislation ensures that patient information is kept confidential and secure when it is shared between healthcare providers, insurance companies, and other entities involved in the healthcare system. HIPAA sets standards for how PHI should be protected, including the use of encryption and secure electronic systems. By providing guidelines for sharing PHI, HIPAA aims to safeguard patient privacy and maintain the confidentiality of their healthcare records.

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  • 17. 

    Special hand-held computer systems used in laboratory medicine are capable of:

    • A.

      Displaying what tubes to collect.

    • B.

      Generating labels for specimens.

    • C.

      Reading barcodes on ID bracelets.

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    Special hand-held computer systems used in laboratory medicine are capable of displaying what tubes to collect, generating labels for specimens, and reading barcodes on ID bracelets. This means that these computer systems provide comprehensive functionality for laboratory medicine tasks, including guiding the user on which tubes to collect, generating labels for the collected specimens, and scanning and reading barcode information from ID bracelets. Therefore, the correct answer is "All of the above".

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  • 18. 

    Critical values (test values that are considered life threatening) are also called:

    • A.

      Alarm values.

    • B.

      At-risk values.

    • C.

      Panic values.

    • D.

      Unstable values.

    Correct Answer
    C. Panic values.
    Explanation
    Critical values are test results that indicate a life-threatening condition. These values require immediate medical attention. The term "panic values" accurately describes the urgency and seriousness associated with these test results. It signifies the need for immediate action and intervention to prevent further harm or potential fatality. Therefore, panic values are the correct term for critical test values.

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  • 19. 

    Which of the following would be a preanalytical error related to specimen storage

    • A.

      Exposure to light

    • B.

      Faulty technique

    • C.

      Inadequate fast

    • D.

      Underfilled tube

    Correct Answer
    A. Exposure to light
    Explanation
    Exposure to light can be considered a preanalytical error related to specimen storage because light can degrade certain analytes, leading to inaccurate test results. Light-sensitive substances, such as bilirubin and vitamin B12, can be affected by exposure to light, causing them to break down or become altered. This can result in incorrect measurements and potentially impact patient diagnosis and treatment. Therefore, proper specimen storage should include protection from light to ensure the integrity of the sample and accurate test results.

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  • 20. 

    Which of the following would be a preanalytical error related to specimen transport?

    • A.

      Agitation-induced hemolysis

    • B.

      Contamination caused by dust

    • C.

      Incorrect collection tube

    • D.

      Strenuous, recent excercise

    Correct Answer
    A. Agitation-induced hemolysis
    Explanation
    Agitation-induced hemolysis refers to the breaking down of red blood cells due to excessive shaking or mixing of the specimen during transport. This can result in the release of intracellular components, such as potassium and enzymes, which may affect the accuracy of test results. It is considered a preanalytical error because it occurs before the specimen is analyzed in the laboratory. Contamination caused by dust, incorrect collection tube, and strenuous recent exercise are not directly related to specimen transport and are therefore not preanalytical errors in this context.

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  • 21. 

    A USB drive is:

    • A.

      Network connection device.

    • B.

      Secondary storage device.

    • C.

      Terminal linking device.

    • D.

      Word processing device.

    Correct Answer
    B. Secondary storage device.
    Explanation
    A USB drive is a secondary storage device. It is used to store and transfer data, acting as a portable storage solution. It is commonly used to backup files, transfer data between computers, and store files for easy access. USB drives are typically small in size and can be easily plugged into a computer's USB port. They offer a convenient and portable way to carry and access data, making them a popular choice for individuals and businesses alike.

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  • 22. 

    Cellular metabolism in specimens that have not been separated from the cells will affect which of the following analytes?

    • A.

      Amylase

    • B.

      Calcitonin

    • C.

      Hemoglobin

    • D.

      Triglycerides

    Correct Answer
    B. Calcitonin
    Explanation
    Cellular metabolism refers to the chemical processes that occur within cells to produce energy and maintain cellular functions. Calcitonin is a hormone produced by the thyroid gland that helps regulate calcium levels in the blood. Since cellular metabolism affects the production and breakdown of hormones, it is likely to have an impact on the levels of calcitonin. Therefore, cellular metabolism in specimens that have not been separated from the cells will affect the levels of calcitonin.

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  • 23. 

    Glycolysis by the cells in blood specimens can falsely lower glucode vlaues at a rate of up to:

    • A.

      50 mg/L per hour.

    • B.

      100 mg/L per hour.

    • C.

      200 mg/L per hour.

    • D.

      250 mg/L per hour.

    Correct Answer
    C. 200 mg/L per hour.
    Explanation
    Glycolysis is a metabolic process that occurs in cells, including those in blood specimens. It involves the breakdown of glucose to produce energy. In this case, glycolysis can lead to a decrease in glucose levels in the blood specimens, resulting in falsely lower glucose values. The rate at which this can occur is up to 200 mg/L per hour. This means that if a blood specimen is left at room temperature for an hour, the glucose level in the sample may decrease by up to 200 mg/L due to glycolysis.

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  • 24. 

    Which of the following samples are time-sensitive?

    • A.

      Calcium collected in sodium heparin tubes

    • B.

      ESR determinations collected in EDTA tubes

    • C.

      PTT's that are stored at refrigerated temperature

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    All of the samples mentioned in the options are time-sensitive. Calcium collected in sodium heparin tubes needs to be analyzed within a specific time frame because calcium levels can change over time. ESR determinations collected in EDTA tubes are also time-sensitive as the sedimentation rate can alter if the sample is not tested promptly. PTT's stored at refrigerated temperature are time-sensitive as well because prolonged storage can affect the accuracy of the test results.

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  • 25. 

    Which of the following temperatures is acceptable for a specimen that rquires transportation and handling at room temperature?

    • A.

      -20C

    • B.

      8C

    • C.

      25C

    • D.

      37C

    Correct Answer
    C. 25C
    Explanation
    A temperature of 25C is acceptable for a specimen that requires transportation and handling at room temperature because room temperature typically ranges between 20-25C. This temperature range ensures that the specimen remains stable and does not get too cold or too hot during transportation and handling.

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  • 26. 

    Some blood specimens require cooling to:

    • A.

      Avoid hemolysis of RBC's.

    • B.

      Prevent premature clotting.

    • C.

      Promote serum separation.

    • D.

      Slow metabolic processes.

    Correct Answer
    D. Slow metabolic processes.
  • 27. 

    Which one of the following activities is least likely to take place in central processing or triage?

    • A.

      Accessioning or logging

    • B.

      Analysis and reporting

    • C.

      Evaluation for suitability

    • D.

      Sorting by department

    Correct Answer
    B. Analysis and reporting
    Explanation
    Analysis and reporting is least likely to take place in central processing or triage because central processing or triage is primarily focused on initial assessment and sorting of incoming data or materials. Analysis and reporting typically occur after the initial processing and triage stages, where data or materials are evaluated and sorted for further analysis and reporting.

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  • 28. 

    It is unlikely that removing the stopper from a specimen will cause:

    • A.

      Contamination.

    • B.

      Evaporation.

    • C.

      Increase in pH.

    • D.

      Loss of iCa2+.

    Correct Answer
    D. Loss of iCa2+.
    Explanation
    Removing the stopper from a specimen is unlikely to cause a loss of iCa2+ because iCa2+ refers to ionized calcium, which is a dissolved form of calcium in the specimen. Removing the stopper would not affect the presence or concentration of iCa2+ in the specimen as it is already dissolved in the liquid. The other options, such as contamination, evaporation, and an increase in pH, may occur if the stopper is removed, but not a loss of iCa2+.

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  • 29. 

    If a specimen has inadequate identification, the specimen processor may:

    • A.

      Add the missing information to the label.

    • B.

      Ask the phlebotomist to get a new sample.

    • C.

      Contact the patient for correct information.

    • D.

      Refer the tube to the laboratory supervisor.

    Correct Answer
    B. Ask the phlebotomist to get a new sample.
    Explanation
    If a specimen has inadequate identification, asking the phlebotomist to get a new sample would be the most appropriate course of action. Adding missing information to the label may lead to confusion or errors in the identification process. Contacting the patient for correct information may not be feasible or timely. Referring the tube to the laboratory supervisor may not address the issue of inadequate identification. Therefore, asking for a new sample ensures that the specimen is properly identified from the beginning.

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  • 30. 

    Use of one of the newest technologies, RFID, is emerging in healthcare.  RFID is a:

    • A.

      Method of specimen identification.

    • B.

      Mnemonic for a strong disinfectant.

    • C.

      Secret code for AIDS patient serum.

    • D.

      Test code for chemistry analyzers.

    Correct Answer
    A. Method of specimen identification.
    Explanation
    RFID stands for Radio Frequency Identification, which is a technology that uses radio waves to identify and track objects. In the context of healthcare, RFID can be used as a method of specimen identification. It involves attaching a small RFID tag to a specimen container, which can then be scanned using an RFID reader to retrieve information about the specimen, such as its type, location, and collection date. This technology helps improve the accuracy and efficiency of specimen tracking and reduces the risk of errors in healthcare settings.

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  • 31. 

    An example of a preanalytical error happening during specimen processing is:

    • A.

      Faulty collection technique

    • B.

      Inadequate centrifugation.

    • C.

      Insufficient specimen.

    • D.

      Patient stress and anxiety.

    Correct Answer
    B. Inadequate centrifugation.
    Explanation
    Inadequate centrifugation refers to the process of not spinning the specimen at the correct speed or duration, resulting in incomplete separation of the components. This can lead to inaccurate test results as the desired analytes may not be properly isolated from the specimen. It is a preanalytical error because it occurs before the actual analysis of the specimen takes place. Other options such as faulty collection technique, insufficient specimen, and patient stress and anxiety may also contribute to preanalytical errors, but inadequate centrifugation specifically relates to the centrifugation step during specimen processing.

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  • 32. 

    To be considered computer literate, an individual must be able to:

    • A.

      Explain how POCT instruments are connected to LIS.

    • B.

      Design programs for job-specific problems in your area.

    • C.

      Perform daily QA documentation in database software.

    • D.

      Understand the computer and the functions it performs.

    Correct Answer
    D. Understand the computer and the functions it performs.
    Explanation
    To be considered computer literate, it is crucial for an individual to have a comprehensive understanding of the computer and the various functions it performs. This includes being familiar with the hardware components, software applications, and the basic operations of a computer system. Being computer literate also involves being able to navigate through different software programs, use various tools and features, and troubleshoot common issues that may arise. Understanding the computer and its functions is a fundamental requirement for effectively utilizing technology and being able to adapt to new advancements in the field.

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  • 33. 

    This is a term for a gorup of computers linked togehter for the purpose of sharing information.

    • A.

      Junction

    • B.

      Network

    • C.

      Node unit

    • D.

      Terminal

    Correct Answer
    B. Network
    Explanation
    A network is a term used to describe a group of computers that are connected to each other in order to share information. This allows for the transfer of data, files, and resources between the computers within the network. Networks can be wired or wireless, and they can be used in various settings such as homes, offices, or schools. The purpose of a network is to facilitate communication and collaboration between the connected computers, allowing users to access shared resources and communicate with each other.

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  • 34. 

    Data can be entered or input into a computer from:

    • A.

      Applications.

    • B.

      Printers.

    • C.

      Scanners.

    • D.

      All of the above

    Correct Answer
    C. Scanners.
    Explanation
    Data can be entered or input into a computer from applications, printers, and scanners. Applications allow users to input data directly into the computer through various software programs. Printers can also be used to input data by scanning physical documents and converting them into digital form. However, scanners are specifically designed to input data into a computer by converting physical documents or images into digital format. Therefore, the correct answer is scanners.

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  • 35. 

    Computer memory bytes are:

    • A.

      Handheld PC assistants.

    • B.

      Individual data characters.

    • C.

      Local area network systems.

    • D.

      Secondary storage drives.

    Correct Answer
    B. Individual data characters.
    Explanation
    Computer memory bytes are units of measurement used to represent individual data characters. A byte is a sequence of 8 bits, and each bit can represent a 0 or a 1, which in turn can be used to represent individual characters such as letters, numbers, or symbols. Therefore, computer memory bytes are used to store and process individual data characters in a computer system.

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  • 36. 

    Which of the following is a function of a computer monitor?

    • A.

      Instructs the computer to carry out user-requested operations

    • B.

      Manages the processing and completion of user-required tasks

    • C.

      Performs mathematical processes and comparisons of data

    • D.

      Provides visible display of all the information being processed

    Correct Answer
    D. Provides visible display of all the information being processed
    Explanation
    A computer monitor is a device that provides a visible display of all the information being processed by the computer. It allows users to view and interact with the data, programs, and applications running on the computer. The monitor acts as an output device, presenting the processed information in a visual format for the user to see. It does not instruct the computer to carry out user-requested operations, manage processing and completion of tasks, or perform mathematical processes and comparisons of data. Its primary function is to provide a visual display of the information being processed.

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  • 37. 

    Random access memory (RAM):

    • A.

      Can be lost when the computer program is closed.

    • B.

      Includes data, software, hardware, and peripherals,.

    • C.

      Instructs the computer to carry out user operations.

    • D.

      Is permanent memory installed by manufacturers.

    Correct Answer
    A. Can be lost when the computer program is closed.
    Explanation
    RAM stands for Random Access Memory, which is a type of computer memory that is volatile, meaning its contents are lost when the computer is powered off or restarted. Unlike permanent memory, such as hard drives or solid-state drives, RAM is temporary and is used to store data and instructions that the computer needs to access quickly while running programs. Therefore, the statement "Can be lost when the computer program is closed" accurately describes the nature of RAM.

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  • 38. 

    Which one of the following should be excluded from a list of computer peripherals?

    • A.

      Keyboard

    • B.

      Modem

    • C.

      Programs

    • D.

      Scanner

    Correct Answer
    C. Programs
    Explanation
    Programs should be excluded from a list of computer peripherals because computer peripherals are physical devices that connect to a computer and enhance its functionality. Examples of computer peripherals include keyboards, modems, and scanners, which are all physical devices. Programs, on the other hand, are software that run on a computer and are not physical devices. Therefore, programs do not fall under the category of computer peripherals.

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  • 39. 

    Systems software includes:

    • A.

      Coded instructions that control processing of data.

    • B.

      Programs from software companies sold as a unit.

    • C.

      The central processing unit and all hardware additions.

    • D.

      Word processing, spreadsheet, and graphic programs.

    Correct Answer
    A. Coded instructions that control processing of data.
    Explanation
    The answer is "Coded instructions that control processing of data" because systems software refers to the software that manages and controls the computer hardware and provides a platform for running application software. This includes operating systems, device drivers, and utility programs that help manage and maintain the computer system. These coded instructions are responsible for controlling how data is processed and ensuring that the hardware components work together efficiently.

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  • 40. 

    The laboratory has a computerized laboratory information system (US).  Once an inpatient speciemn has been collected by a phlebotomist and returned to the laboritory, what occurs next?

    • A.

      A collection list is generated.

    • B.

      All lab test orders are retrieved.

    • C.

      Collection labels are printed.

    • D.

      Specimen collection is verified.

    Correct Answer
    D. Specimen collection is verified.
    Explanation
    After the inpatient specimen is collected and returned to the laboratory, the next step is to verify the specimen collection. This involves checking the specimen for any discrepancies or errors, ensuring that it is properly labeled and documented, and confirming that it meets the required standards for testing. This verification process is important to ensure the accuracy and reliability of the test results.

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  • 41. 

    A computer terminal is a:

    • A.

      Keyboard and computer screen workstation.

    • B.

      Last computer in a series of matching terminals

    • C.

      Printer where information can be displayed.

    • D.

      Screen that visually displays data to the user.

    Correct Answer
    A. Keyboard and computer screen workstation.
    Explanation
    A computer terminal refers to a workstation that consists of a keyboard and a computer screen. It is a user interface device that allows users to input data through the keyboard and receive output through the screen. This setup enables users to interact with the computer system and perform various tasks such as typing, accessing files, running programs, and viewing information on the screen.

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  • 42. 

    Which of the following is a characteristic of an intranet?

    • A.

      Accumulates lab statistics for network workload

    • B.

      Connects computer networks within a company

    • C.

      Connects types of lab systems and multiple vendors

    • D.

      Links lab systems with networks outside the company

    Correct Answer
    B. Connects computer networks within a company
    Explanation
    An intranet is a private network that connects computer networks within a company. It is a secure and internal network that allows employees to access and share information, resources, and tools within the organization. It is not accessible to the public or external networks. Therefore, the characteristic of an intranet is that it connects computer networks within a company.

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  • 43. 

    Which of the following would be described as logging on?

    • A.

      Accessing the Internet from a computer

    • B.

      Entering a password to access the LIS

    • C.

      Turning the computer terminal to "on"

    • D.

      Using menus to navigate the program

    Correct Answer
    B. Entering a password to access the LIS
    Explanation
    Logging on typically refers to the process of entering a username and password to gain access to a computer system or network. In this case, entering a password to access the LIS (Library Information System) would be described as logging on.

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  • 44. 

    To process input data a computer user must:

    • A.

      Logoff the web

    • B.

      Move the cursor

    • C.

      Press the enter key

    • D.

      Select an icon

    Correct Answer
    C. Press the enter key
    Explanation
    To process input data, a computer user must press the enter key. Pressing the enter key is a common action used to confirm or submit information entered by the user. It is often used to execute commands or initiate a process based on the input provided. The other options listed, such as logging off the web, moving the cursor, or selecting an icon, are not necessarily required to process input data.

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  • 45. 

    Computer verification of test orders is best described as a process that allows a user to:

    • A.

      Access the system to view the patient's diagnosis.

    • B.

      Confirm that the test was ordered by a physician.

    • C.

      Establish that the appropriate test was ordered.

    • D.

      Modify, delete, or accept test orders after review of data.

    Correct Answer
    D. Modify, delete, or accept test orders after review of data.
    Explanation
    Computer verification of test orders allows a user to modify, delete, or accept test orders after reviewing the data. This means that the user can make changes to the test orders if necessary, remove any incorrect or unnecessary orders, or approve the test orders if everything is in order. This process ensures that the test orders are accurate and appropriate before they are carried out.

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  • 46. 

    The "order inquiry" fuction allows the user to:

    • A.

      Check the physician's diagnosis.

    • B.

      Edit or delete duplicate test orders.

    • C.

      Find errors in patient identification.

    • D.

      Retrieve all test orders on a patient.

    Correct Answer
    D. Retrieve all test orders on a patient.
    Explanation
    The "order inquiry" function allows the user to retrieve all test orders on a patient. This means that the user can access and view all the test orders that have been placed for a specific patient. The function does not involve checking the physician's diagnosis, editing or deleting duplicate test orders, or finding errors in patient identification. It solely focuses on retrieving and accessing all the test orders related to a particular patient.

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  • 47. 

    Which of the following is confidential nd unique to a single computer user?

    • A.

      Entry icon

    • B.

      ID code

    • C.

      LIS menus

    • D.

      Password

    Correct Answer
    D. Password
    Explanation
    A password is a confidential and unique piece of information that is specific to an individual computer user. It is used as a security measure to authenticate the user's identity and grant access to a computer system or account. Unlike other options listed, such as an entry icon, ID code, or LIS menus, a password is personal and should not be shared with others. It ensures that only the authorized user can access their computer or protected information, making it an essential component of user authentication and data security.

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  • 48. 

    Typical functions an LIS can perform include:

    • A.

      Entering lab test results.

    • B.

      Ordering laboratory tests.

    • C.

      Printing specimen labels.

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    The correct answer is "All of the above" because an LIS (Laboratory Information System) is a computer system that is used in laboratories to manage and store laboratory data. It can perform various functions such as entering lab test results, ordering laboratory tests, and printing specimen labels. Therefore, all of the given options are typical functions that an LIS can perform.

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  • 49. 

    What does the laboratory use to identify a specimen throughout the testing process?

    • A.

      Accession number

    • B.

      Hospital number

    • C.

      LIS menu icon

    • D.

      Mnemonic code

    Correct Answer
    A. Accession number
    Explanation
    The laboratory uses an accession number to identify a specimen throughout the testing process. This unique identifier allows the laboratory to track and manage the specimen from the time it is received until the test results are reported. The accession number helps to ensure accurate and efficient handling of specimens and helps to prevent mix-ups or errors in the testing process. It is an essential component of laboratory workflow and helps to maintain the integrity and traceability of specimens.

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  • 50. 

    When using computer-generated specimen labels, what information must typically be added to the label after a specimen is collected?

    • A.

      Medical record number

    • B.

      Patient's complete name

    • C.

      Patient's date of birth

    • D.

      Phlebotomist's initials

    Correct Answer
    D. Phlebotomist's initials
    Explanation
    After a specimen is collected using computer-generated specimen labels, the phlebotomist's initials must typically be added to the label. This is done to ensure proper identification and tracking of the specimen, as the phlebotomist's initials serve as a unique identifier for the person who collected the sample. The medical record number, patient's complete name, and patient's date of birth are usually already included in the computer-generated label.

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Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jul 10, 2012
    Quiz Created by
    Phbmuststudy
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