MLS 220 Exam 1 Questions
Two professional organizations that regulate, promote, and advocate for the betterment of the medical laboratory science profession include: a. ASCP and ASCLS b. CAP and CMS c. TJC and COLA d. AABB and AACC
a. ASCP and ASCLS
The range of values provided by the manufacturer, which correlates to what concentrations of analytes are found within a quality control material is known as the QC's: a. Acceptable Range b. Concentration c. Reference Range d. Known Range
a. Acceptable Range
In the UND MLS Biohazard lab, all gloves are disposed of in which disposal container? a. Biohazard Container b. Regular Trash c. Sharps Container d. All of the above; it does not matter which container they are disposed in.
a. Biohazard Container
The most commonly used type of glass for laboratory grade glassware is: a. Borosilicate Glass b. Alumina-Silicate Glass c. Low-Actinic Glass d. Flint/Soda Lime Glass
a. Borosilicate Glass
Which of the following laws was put in place to ensure that laboratory testing results that are reported are of high quality regardless of where the testing is performed? a. CLIA-88 b. HIPAA c. OSHA d. Article-5
a. CLIA-88
A piece of laboratory glassware is marked with a "TC" on its stem. This means that the piece of glassware is: a. Calibrated to hold a specific volume of liquid b. Calibrated to hold and disperse a specific volume of liquid c. Calibrated to disperse a specific volume of liquid d. Not calibrated
a. Calibrated to hold a specific volume of liquid
A purchased material with known quantitative or qualitative values that is used to correlate the results of an analyzer to check the analyzer's accuracy is known as (a) _____: a. Calibrator b. Quality Control c. Patient Sample d. Proficiency Test
a. Calibrator
A chemical inventory, safety data sheets, labeling requirements, engineering controls, and waste removal and disposal are all a part of what OSHA mandate? a. Chemical Hygiene Plan b. Blood Borne Pathogen Plan c. Core Standards d. Hazard Communication Standards
a. Chemical Hygiene Plan
The component of the brightfield microscope that directs and focuses the beam of light from the light source onto the material under examination is called the: a. Condenser b. Rheostat c. Objective Lens d. Aperature Iris Diaphragm
a. Condenser
The most important aspect of a disinfecting solution is its required____________: a. Contact Time b. Method of Delivery c. Brand d. Color
a. Contact Time
Which of the following microscopes produces a 3D image? a. Differential Interference Contrast (DIC) Microscopy b. Bright Field Microscopy c. Dark Field Microscopy d. Fluorescent Microscopy
a. Differential Interference Contrast (DIC) Microscopy
The majority of common use fire extinguishers are which type? a. Dry Powder b. Water c. Halon d. CO2
a. Dry Powder
A class C fire is a fire caused by: a. Electrical equipment b. Flammable liquid and gases c. Ordinary combustibles d. A class C fire cannot be extinguished
a. Electrical equipment
Personal Protective Equipment (PPE), Proper Sharps Disposal, Biohazardous Exposure Procedure, and Standard Precautions are all components of which of the following: a. Exposure Control Plan (ECP) b. Hazard Communication Standard (HCS) c. Chemical Hygiene Plan (CHP) e. Chain of Custody
a. Exposure Control Plan (ECP)
You see your grandmas EDTA tube in the lab you are working in and call her after work to see how her appointment went (that you had no prior knowledge of). This is a violation of: a. HIPAA b. Universal Precautions c. CLIA d. Chain of Custody
a. HIPAA
What educational training is the minimal requirement in order to be employed as a phlebotomist? a. High School Diploma and On the Job Training b. Bachelors Degree c. Masters Degree d. PhD
a. High School Diploma and On the Job Training
Which of the following agencies is responsible for the accreditation of the UND Medical Laboratory Science program? a. NAACLS b. ASCP c. ASCLS d. COLA
a. NAACLS
Resistivity, which indicates the ability that water has to effectively resist an electrical current, is expressed using which units: a. Ohms (Ω) b. Ampere (A) c. Volt (V) d. Cfu/ml
a. Ohms (Ω)
Laboratory testing that is performed in patient care settings and at the patient bedside is best known as: a. Point of Care Testing b. Proficiency Testing c. Chemical Testing d. Moderate Complexity Testing
a. Point of Care Testing
The type of microscopy commonly used to identify monosodium urate (gout) crystals by observing their birefringent properties is: a. Polarized Microscopy b. Brightfield Microscopy c. Electron Microscopy d. Phase Contrast Microscopy
a. Polarized Microscopy
A substance or mixture for use as a component in chemical analysis or other reactions is also known as a _______: a. Reagent b. Chemical c. Calibrator d. Control
a. Reagent
Which of the following pipettes should be blown out using a pipette bulb once all liquid has been dispersed: a. Serological Pipette b. MLA Pipette c. Mohr Pipette d. Volumetric Pipette
a. Serological Pipette
The recommended safety policies used for handling all biological patient samples, including treating every specimen as if it were infectious, are known as: a. Standard Precautions b. Biological Safety Procedures c. Exposure Control Plan d. Hazard Communication Standard
a. Standard Precautions
Which of the following is not a plan mandated by OSHA: a. Standard Precautions b. Chemical Hygiene Plan (CHP) c. Exposure Control Plan (ECP) d. Hazard Communication Standard (HCS)
a. Standard Precautions
The liquid (top) portion of a centrifuged tub is known as the: a. Supernatant b. Clot c. Precipitate d. Sediment
a. Supernatant
When using an electronic balance, the first step is to always_____: a. Tare or Zero the empty secondary container b. Ensure the material to be weighed is in an even layer c. Weigh the material directly on the pan of the balance d. Weigh another material first
a. Tare or Zero the empty secondary container
True or False: A clinical laboratory must have a CLIA license that corresponds to the level of testing they are performing. (ie. A laboratory with a CLIA certificate for waived testing, cannot perform COVID-19 testing via PCR) a. True b. False
a. True
A laboratory test that is not performed in-house, but is delivered to a different laboratory to be performed, often due to its complexity, is known as a: a. send out b. reference test c. routine test e. mailed test
a. send out
A 50 mL volume being held in an Erlenmeyer flask with a tolerance of 0.05 mL is actually more accurately described as : a. 45 mL - 55 mL b. 49.95 mL - 50.05 mL c. 50 mL - 50.05 mL d. 49.5 mL - 50.5 mL
b. 49.95 mL - 50.05 mL
In order to properly separate blood sample tubes, the specimen should be spun at what speed and for how long? a. 500g for 5 minutes b. >1,000g for 10 minutes c. 100g for 20 minutes d. 800g for 5 minutes
b. >1,000g for 10 minutes
Which of the following denotes a Biosafety Level 3 laboratory? a. A laboratory that works with moderate hazards to laboratory staff and the environment, including microorganisms associated with disease. b. A laboratory that works with moderate hazards to laboratory staff and the environment, including microorganisms associated with disease that may cause serious or potentially lethal disease through respiratory transmission. c. A laboratory that works with organisms that present minimal potential hazard of disease to humans. d. A laboratory that works with moderate hazards to laboratory staff and the environment, including microorganisms associated with disease that may cause serious or potentially lethal disease through respiratory transmission, of which there is no treatment or vaccine available.
b. A laboratory that works with moderate hazards to laboratory staff and the environment, including microorganisms associated with disease that may cause serious or potentially lethal disease through respiratory transmission.
Which of the following is a disadvantage of using plastic ware in the laboratory? a. Cost b. Absorption of dyes, stains, or proteins c. Size d. Durability
b. Absorption of dyes, stains, or proteins
Which of the following is NOT proper centrifuge use? a. Tubes should be capped b. Allowing a spill to dry prior to future use c. Allowing the centrifuge to stop on its own d. Ensuring that the tubes being centrifuged are properly balanced
b. Allowing a spill to dry prior to future use
The highest grade of chemical, and one that is usually used in the clinical lab, is known as ______? a. Chemically Pure Grade (CP) b. Analytical Reagent Grade (AR) c. US Pharmacopeia (USP) d. Technical or Commercial Grade
b. Analytical Reagent Grade (AR)
A laboratory that handles microorganisms that present moderate hazards to laboratory staff and environment, including Staphylococcus aureus or Zika virus, would be assigned which of the following biosafety levels: a. BSL-1 b. BSL-2 c. BSL-3 d. BLS-4
b. BSL-2
The universal symbol denoting infectious materials or agents that present a risk, or even a potential risk, to the health of human beings or animals in the laboratory is known as the __________? a. Health Hazard Symbol b. Biohazard Symbol c. Risk Symbol d. Chemical Safety Symbol
b. Biohazard Symbol
In the UND MLS Biohazard lab, all gloves should be disposed of in which disposal container: a. Regular Trash b. Biohazard Trash c. Sharps Container d. All of the above
b. Biohazard Trash
A written document developed by an employer which states the policies, procedures, and responsibilities that protect workers from health hazards associated with the hazardous chemicals used in that particular workplace is also known as a: a. Personal Protective Equipment Program b. Chemical Hygiene Plan (CHP) c. Exposure Control Plan (ECP) d. Hazard Communication Standard
b. Chemical Hygiene Plan (CHP)
CAP, an internationally recognized accrediting agency, stands for: a. Corporation of Anatomical Pathologists b. College of American Pathologists c. College of Analytic Professionals d. Collection of Anatomical Professionals
b. College of American Pathologists
The type of centrifuge that takes a small sample volume and spreads a layer of cells across a specialized slide is a _________: a. Refrigerated Centrifuge b. Cytocentrifuge c. Ultracentrifuge d. Table Top Centrifuge
b. Cytocentrifuge
The purification process that passes water through a column containing positively and negatively charged particles, which combine with ions present in the water to remove them is known as______ : a. Purified Water b. Deionized Water c. Distilled Water d. Reverse Osmosis Water
b. Deionized Water
Which type of glassware has a narrow neck and wide base and functions TC? a. Beaker b. Erlenmeyer Flask c. Graduated Cylinder d. Volumetric Flask
b. Erlenmeyer Flask
Point of Care Testing can only be performed by an MLT/MLS. a. True b. False
b. False
True or False: Wearing gloves is a proper substitute for handwashing. a. True b. False
b. False
The area of the lab responsible for studying the components of blood is: a. Chemistry b. Hematology c. Microbiology d. Immunohematology
b. Hematology
What does the exclamation mark pictograph indicate? a. Flammable b. Irritant c. Carcinogen d. Acute Toxicity
b. Irritant
The laboratory staff member that often holds a PhD and is responsible for overseeing all laboratory operations is the: a. Department Supervisor b. Laboratory Director c. Emergency Operations Supervisor d. Medical Laboratory Scientist
b. Laboratory Director
Which of the following departments within the laboratory is responsible for the detection and treatment of bacteria, parasites, fungus, and viruses within the human body? a. Hematology b. Microbiology c. Chemistry d. Immunohematology
b. Microbiology
In the UND MLS Lab, if oil accidentally gets on the 40x objective the next step should be: a. Clean the oil off using lens paper and lens cleaner b. Notify an instructor/lab staff member so that the oil can be cleaned off appropriately c. Clean the oil off using a kim wipe d. There is no next step. Oil can be used on the 40x objective.
b. Notify an instructor/lab staff member so that the oil can be cleaned off appropriately
Place the following steps in the order that they must be completed in: Perform Patient Testing, Perform Calibration, Run Quality Control. a. Perform Patient Testing, Run Quality Control, Perform Calibration b. Perform Calibration, Run Quality Control, Perform Patient Testing c. Run Quality Control, Perform Calibration, Perform Patient Testing d. Run Quality Control, Perform Patient Testing, Perform Calibration
b. Perform Calibration, Run Quality Control, Perform Patient Testing
PPE stands for which of the following: a. Proper Personal Equipment b. Personal Protective Equipment c. Proper Personal Etiquette d. Provider Performed Equipment
b. Personal Protective Equipment
Which type of microscopy consists of attaching a polarizer, an analyzer, and a compensator to a bright field microscope and is useful in identifying monosodium urate (gout) crystals? a. Phase Contrast Microscopy b. Polarized Microscopy c. Scanning Electron Microscopy d. Compensated Microscopy
b. Polarized Microscopy
What is the main role of the American Society of Clinical Laboratory Science (ASCLS)? a. Licensing agency b. Professional organization (profession advocacy, etc.) c. Accrediting agency d. Board of Certification exam distributer
b. Professional organization (profession advocacy, etc.)
Purchased material from an outside organization (ie. CAP) with unknown values - is used to assess the accuracy of the processes and analysis of certain tests is known as (a) _________: a. Quality Control b. Proficiency Test c. Patient Sample d. Control
b. Proficiency Test
Chemical identification, first-aid measures, handling and storage, and transport information are all sections that can be found within a chemicals' __________________. a. Package Insert b. Safety Data Sheet c. Instruction Manual d. Chemical Properties Manual
b. Safety Data Sheet
The procedures, actions, and processes that a healthcare employee is permitted to perform based on their education and professional license is known as their: a. Education b. Scope of Practice c. Job Description d. Professional Opinion
b. Scope of Practice
A graphical representation of known standard or calibrator points is known as a __________? a. Expected Value b. Standard/Calibration Curve c. Reference Range d. Calibration Interval
b. Standard/Calibration Curve
HIPAA stands for: a. The Hospital Insurance Profitability and Accountability Act b. The Health Insurance Portability and Accountability Act c. The Health Inspection Passage and Acceptance Act d. None of the above.
b. The Health Insurance Portability and Accountability Act
Which of the following is the most suitable water to use to reconstitute controls? a. Tap Water b. Type 1 c. Type 2 d. Type 3
b. Type 1
Which of the following pieces of glassware is calibrated for one specific volume: a. Serological Pipette b. Volumetric Flask c. Erlenmeyer Flask d. Graduated Cylinder
b. Volumetric Flask
The process through which an institution (college, hospital, etc.) undergoes to ensure competency, authority, and/or credibility is known as: a. licensure b. accreditation c. certification d. inspection
b. accreditation
Parfocal magnification is: a. microscope objectives that are aligned so that a specimen centered in the field of view for one objective remains centered when the nosepiece is rotated to bring another objective into use b. when a specimen focused in the field of view for one microscope objective remains focused when the nosepiece is rotated to bring another microscope objective into use c. the distance from an object being examined microscopically to the center of the objective lens of the microscope d. distance between the bottom of the objective and the specimen being examined
b. when a specimen focused in the field of view for one microscope objective remains focused when the nosepiece is rotated to bring another microscope objective into use
Rank the following according to their education requirements and responsibilities within the lab, with the highest educated person/person with the most responsibilities first. a. Medical Laboratory Scientist b. Phlebotomist c. Laboratory Director d. Department Supervisor
c, d, a, b
Immersion oil must be used on which of the following objectives on a brightfield microscope: a. 10x b. 40x c. 100x d. Immersion oil does not need to be used on any of the objectives listed above.
c. 100x
The "gold standard" for the board of certification exam is distributed by which organization? a. American Medical Technologists (AMT) b. National Accrediting Agency for Clinical Laboratory Sciences (NAACLS) c. American Society for Clinical Pathology (ASCP) d. College of American Pathologists (CAP)
c. American Society for Clinical Pathology (ASCP)
Which of the following biosafety measures is determined based on organism infectivity, severity of disease, organism transmissibility, the nature of the work, and the origin and route of exposure: a. Hazardous Communication Standard b. Exposure Control Plan c. Biosafety Level d. None of the above
c. Biosafety Level
Which of the following federal laws/regulations was established to ensure that laboratory testing results that are reported are of high quality, regardless of where the testing is performed? a. HIPAA b. Universal Precautions c. CLIA e. Chain of Custody
c. CLIA
The process by which solid material is separated from liquid material using gravitational force via rapid spinning is known as: a. Titration b. Filtration c. Centrifugation d. Emulsion
c. Centrifugation
Which of the following are the two main governing agencies for laboratory safety? a. American Medical Technologists (AMT) and Occupational Safety and Health Administration (OSHA) b. National Accrediting Agency for Clinical Laboratory Sciences (NAACLS) and Center for Disease Control and Prevention (CDC) c. American Society for Clinical Pathology (ASCP) an American Mediation Technologists (AMT) d. Occupational Safety and Health Administration (OSHA) and Center for Disease Control and Prevention (CDC)
d. Occupational Safety and Health Administration (OSHA) and Center for Disease Control and Prevention (CDC)
In the UND MLS student lab, which objective do we use immersion oil with? a. 4x b. 10x c. 40x d. 100x
d. 100x
The disinfectant used in the UND MLS Biohazard Lab is CaviCide®. What is its contact time for HIV, HBV, and HCV? a. 20 minutes b. 5 minutes c. 30 seconds d. 2 minutes
d. 2 minutes
Type I water is almost always produced using which purification mechanism: a. Deionize b. Distill c. Filter d. A combo system (ex. distill and deionize)
d. A combo system (ex. distill and deionize)
According to CLSI guidelines, laboratory reagent grade water is categorized based on which of the following: a. Bacterial contamination (cfu/ml) b. Resistivity c. Organic Impurities d. All of the above
d. All of the above
The Occupational Exposure to Bloodborne Pathogens program has specific requirements for laboratories including which of the following: a. Proper handling and disposal of sharps b. Infectious Disease Prevention c. Training d. All of the above
d. All of the above
Which of the following is true regarding the board of certification exam and licensure: a. Licensure is state regulated. b. If a state does not require licensure, the MLS does not need to take the BOC, unless required by an employer. c. The board of certification exam cannot be taken until the student has graduated from a NAACLS accredited MLS program. d. All of the above
d. All of the above
Which of the following is usually a benefit of using digital microscopy? a. Increased efficiency b. Increased consistency and standardization of cell ID c. Images are saved and can be used for future reference d. All of the above
d. All of the above
Which of the following is NOT required to be documented on an open bottle of reagent, calibrator, or Quality Control material? a. Receive Date b. Open Date c. Expiration Date d. All of these dates are required
d. All of these dates are required
Changing clothing before entering the lab, showering upon exiting the lab, and performing all work within a class 3 biosafety cabinet or while wearing a full body, air-supplied, positive pressure suit, are all requirements of a laboratory assigned which biosafety level: a. BSL-1 b. BSL-2 c. BSL-3 d. BLS-4
d. BLS-4
Ebola is an example of a virus that can only be handled in which Biosafety Level Laboratory? a. BSL-1 b. BSL-2 c. BSL-3 d. BSL-4
d. BSL-4
Sodium (Na), potassium (K), chloride (Cl), carbon dioxide (CO2), blood urea nitrogen (BUN), serum creatinine, serum glucose, and total calcium are all included in which panel: a. Brain Natriuretic Peptide (BNP) b. Comprehensive Metabolic Profile (CMP) c. CBC (Complete Blood Count) d. Basic Metabolic Panel (BMP)
d. Basic Metabolic Panel (BMP)
Which of the following is NOT an example of volumetric glassware? a. Serologic Pipette b. Graduated Cylinder c. Volumetric Pipette d. Beaker
d. Beaker
An example of a waived test is which of the following: a. PCR Test b. CBC c. Throat Culture d. Bedside Glucose
d. Bedside Glucose
The length of time needed for a disinfectant to stay wet on a surface in order to ensure its efficacy based on its concentration is known as the disinfectants': a. Disinfectant Period b. Lethal Period c. Frequency d. Contact Time
d. Contact Time
A new trend in laboratory organization is what is known as the Core Laboratory. This department generally consists of the following departments: a. Hemostasis (Coagulation) and Urinalysis b. Microbiology and Immunohematology c. Hematology, Microbiology, Clinical Chemistry, Immunohematology d. Hematology, Hemostasis (Coagulation), Chemistry, and Urinalysis
d. Hematology, Hemostasis (Coagulation), Chemistry, and Urinalysis
Which of the following is NOT a commonly implicated virus in laboratory-acquired infections: a. Hepatitis B b. Hepatitis C c. Human Immunodeficiency Virus (HIV) d. Influenza
d. Influenza
Which of the following is the distinguishing property of low-actinic glass: a. It is resistant to strong acid or alkaline solutions b. It is very thermally resistant c. It is resistant to radiation d. It is amber colored, reducing the amount of light that can pass through
d. It is amber colored, reducing the amount of light that can pass through
Microscope objectives should be cleaned using which of the following: a. Lens Paper b. Kim Wipes c. Lens Cleaner d. Lens Paper and Lens Cleaner
d. Lens Paper and Lens Cleaner
Which of the following is NOT a component of a Chemical Hygiene Plan? a. Safety Data Sheets (SDS) b. Standard Operating Procedures (SOP) c. Personal Protective Equipment (PPE) d. None of the above
d. None of the above
Which of the following describes a sample? A. The liquid to be analyzed/tested (usually from a patient) B. A substance or mixture used in chemical analysis or other reactions; "an ingredient in the recipe" C. A purchased material with a known quantitative range of values, or qualitative value, that is used to confirm the accuracy of a test D. A purchased material with known quantitative or qualitative values that is used to correlate the results of an analyzer to check the analyzers accuracy
A. The liquid to be analyzed/tested (usually from a patient)
Which of the following describes a reagent? A. The liquid to be analyzed/tested (usually from a patient) B. A substance or mixture used in chemical analysis or other reactions; "an ingredient in the recipe" C. A purchased material with a known quantitative range of values, or qualitative value, that is used to confirm the accuracy of a test D. A purchased material with known quantitative or qualitative values that is used to correlate the results of an analyzer to check the analyzers accuracy
B. A substance or mixture used in chemical analysis or other reactions; "an ingredient in the recipe"
Which of the following describes a quality control? A. The liquid to be analyzed/tested (usually from a patient) B. A substance or mixture used in chemical analysis or other reactions; "an ingredient in the recipe" C. A purchased material with a known quantitative range of values, or qualitative value, that is used to confirm the accuracy of a test D. A purchased material with known quantitative or qualitative values that is used to correlate the results of an analyzer to check the analyzers accuracy
C. A purchased material with a known quantitative range of values, or qualitative value, that is used to confirm the accuracy of a test
Which of the following describes a calibrator? A. The liquid to be analyzed/tested (usually from a patient) B. A substance or mixture used in chemical analysis or other reactions; "an ingredient in the recipe" C. A purchased material with a known quantitative range of values, or qualitative value, that is used to confirm the accuracy of a test D. A purchased material with known quantitative or qualitative values that is used to correlate the results of an analyzer to check the analyzers accuracy
D. A purchased material with known quantitative or qualitative values that is used to correlate the results of an analyzer to check the analyzers accuracy
Which of the following is the ONLY objective on which the course focus should be used? a. 10x b. 40x c. 100x d. The course focus can be used on all three of these objectives
a. 10x
A waived test is: a. A simple test cleared by the FDA that has an extremely low likelihood of an erroneous result b. A test that is so easy a caveman could do it c. A test that, according to CLIA 88, must be performed by a Medical Laboratory Science d. A test that is only performed in a main campus laboratory.
a. A simple test cleared by the FDA that has an extremely low likelihood of an erroneous result
What is the main difference between a Chemical Fume Hood and a Biological Safety Cabinet? a. Chemical Fume Hoods protect the personnel using the fume hood, the product within the fume hood, and the environment outside of the fume hood, whereas a Biological Safety Cabinet only protects the personnel using the BSC from the product inside. b. Chemical Fume Hoods do not vent air outside of the Fume Hood, whereas Biological Safety Cabinets do. c. Chemical Fume Hoods only protect personnel from chemical fumes present in the cabinet, whereas a Biological Safety Cabinet protects the personnel using the BSC, the product within the BSC, and the environment outside of the BSC. d. Chemical Fume Hood and Biological Safety Cabinets refer to the same engineering control and can be used interchangeably.
c. Chemical Fume Hoods only protect personnel from chemical fumes present in the cabinet, whereas a Biological Safety Cabinet protects the personnel using the BSC, the product within the BSC, and the environment outside of the BSC.
The most common microscope used in the clinical laboratory is the: a. Electron Microscope b. DIC Microscope c. Compound/Brightfield Microscope d. Polarized Microscope
c. Compound/Brightfield Microscope
Water which undergoes purification that includes boiling the water and cooling and collecting the resulting steam is known as: a. Deionized Water b. Filtered Water c. Distilled Water d. RO Water
c. Distilled Water
Which of the following test complexities must be performed by an MLT/MLS according to CLIA '88: a. Moderate Complexity b. Waived c. High Complexity d. Provider Performed Microscopy
c. High Complexity
Blood typing, crossmatching, and PCR testing are all examples of: a. Waived Testing b. Moderate Complexity Testing c. High Complexity Testing d. Provider Performed Microscopy
c. High Complexity Testing
Which of the following laboratory positions requires the highest level of education? a. Laboratory Supervisor b. Medical Laboratory Scientist c. Laboratory Director d. Medical Laboratory Technician
c. Laboratory Director
Eleven states in the United States have a requirement for Medical Laboratory Scientists which often includes a licensing fee, minimal educational requirements, taking a board of certification exam, continuing education, and professional competency. This requirement is known as: a. Education b. Certification c. Licensure d. Examination
c. Licensure
What governmental agency falls under the US Department of Labor and was established in 1970 to ensure safe and healthful working conditions for working men and women by setting and enforcing standards and providing training, outreach, education, and assistance? a. TJC b. CAP c. OSHA d. CDC
c. OSHA
The type of microscopy in which the light is slowed down via the use of a specialized condenser and absorption ring fitted into an objective, is known as: a. Electron Microscopy b. Darkfield Microscopy c. Phase Contrast Microscopy d. Fluorescence Microscopy
c. Phase Contrast Microscopy
A purchased material with a known quantitative range of values (or qualitative value) that is used to confirm the accuracy of a test is known as (a) ________: a. Patient Sample b. Calibrator c. Quality Control d. Proficiency Test
c. Quality Control
Which of the following is generally the main difference between Medical Laboratory Technicians (MLTs) and Medical Laboratory Scientists (MLSs) in the workforce? a. Hours worked b. Job duties c. Salary e. All of the above
c. Salary
Treating every specimen as if it were infectious is an example of: a. PPE b. Chemical Hygiene Plan (CHP) c. Standard Precautions d. None of the above
c. Standard Precautions
The liquid top portion of a centrifuged sample is known as the: a. Sediment b. Precipitate c. Supernatant d. Solute
c. Supernatant
Which of the following is an example of a HIPAA violation? a. Not labeling a patients blood sample. b. Running a test in duplicate. c. Telling your friend that you did testing on her moms' blood sample. d. None of the above.
c. Telling your friend that you did testing on her moms' blood sample.
A collection of tests ordered at the same time and under a single order is known as a(n): a. Analyte b. Test Selection c. Test Panel d. Testing Algorithm
c. Test Panel
What is a scope of practice? a. How a stethoscope is used b. The job duties assigned by an employer c. The procedures, actions, and processes that a healthcare employee is permitted to perform based on their education and professional license d. None of the above
c. The procedures, actions, and processes that a healthcare employee is permitted to perform based on their education and professional license
In the UND MLS Biohazard lab, which of the following would NOT be disposed of in a sharps container? a. Glass Slide b. Needle c. Tooth Pick d. All of the above would be disposed of in a sharps container
c. Tooth Pick
1:10 or 1:100 bleach solutions are a common disinfectant in laboratories. How often should these bleach solutions be remade in order to ensure their chlorine levels remain adequate? a. Hourly b. Daily c. Weekly d. Monthly
c. Weekly
Which of the following correctly states the relationship between particles in water, the purity, the conductivity, and the resistance of the water: a. Particles in the water ↓ Purity ↓ Conductivity ↑ Resistance ↑ b. Particles in the water ↑ Purity ↓ Conductivity ↑ Resistance ↓ c. Particles in the water ↑ Purity ↑ Conductivity ↓ Resistance ↑ d. Particles in the water ↓ Purity ↑ Conductivity ↓ Resistance ↑
d. Particles in the water ↓ Purity ↑ Conductivity ↓ Resistance ↑
Which type of microscopy is useful in observing unstained wet prep specimens? a. Differential Interference-Contrast b. Fluorescence c. Polarized d. Phase-Contrast
d. Phase-Contrast
The normal range of patient values that includes 95% of the test results for a healthy reference population is known as a(n)______: a. Expected Value b. Expected Range c. Patient Result d. Reference Range or Reference Interval
d. Reference Range or Reference Interval
What does SDS stand for? a. Single Data Sheet b. Safety Distinguishing Sheet c. Sheet Detailing Safety d. Safety Data Sheet
d. Safety Data Sheet
The pipette that requires a "blow out" step with a pipette bulb is the____: a. Volumetric Pipette b. MLA Pipette c. Transfer Pipette d. Serological Pipette
d. Serological Pipette
Which of the following is an example of a general infection control practice? a. Applying chapstick while in the lab b. Mouth Pipetting c. Drinking an energy drink in the lab d. Standard Precautions
d. Standard Precautions
You are measuring a volume of liquid for a procedure where a high degree of accuracy is essential. You have the following pieces of glassware at your disposal: beaker, graduated cylinder, and volumetric flask. Which of the following ranks your choice of glassware from 1st choice (most precise) to 3rd choice (least precise): a. Beaker, Graduated Cylinder, Volumetric Flask b. Volumetric Flask, Beaker, Graduated Cylinder c. Graduated Cylinder, Volumetric Flask, Beaker d. Volumetric Flask, Graduated Cylinder, Beaker
d. Volumetric Flask, Graduated Cylinder, Beaker
In terms of microscopy, working distance is defined as: a. how small and how close individual objects can be and still be recognized b. the distance from an object being examined microscopically to the center of the objective lens of the microscope c. the measure of the number of highly diffracted, image-forming, light rays captured by an objective d. the distance between the bottom of the objective and the specimen being examined
d. the distance between the bottom of the objective and the specimen being examined