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Lab Management
MLT ASCP FOR LAB MANAGEMENT
Question | Answer |
---|---|
A mean value of 100 and a standard deviation of 1.8 mg/dL were obtained from a set of glucose measurements on a control solution. The 95% confidence interval in mg/dL would be? | 96.4-103.6 |
Using a common labeling system for hazardous material identification such as HMIS or NFPA 704, the top red quadrant represents which hazard? | flammability |
Employees are guaranteed to the right to engage in self-organization and collection bargaining through representatives of their choice, or to refrain from these activities by which? | National Labor Relations Act |
A technologist splashed a corrosive chemical in his/her eyes. To prevent permanent injury, the first action should be to? | use the eyewash station to flush eyes with water for 15 minutes |
An automated CK assay gives a reading that is above the limits of linearity. A dilution of the serum sample is made by adding 1 mL of serum to 9 mL of water. The instrument now reads 350/U/L. The correct report on the undiluted serum should be? | 3500 U/L |
When 0.25 mL is diluted to 20 mL, the resulting dilution is? | 1:80 |
Filters generally used in biological safety cabinets to protect laboratory worker from particulates and aerosols generated by microbiology manipulations are? | HEPA |
To the extent to which measurements agree with the true value of the quantity to measure is called? | Accuracy |
Preanalytical variables in laboratory testing include? | specimen acceptability |
A technologist spilled 10 gallons of formaldehyde on the floor. After determining the chemical poses a significant health hazard, the first action step would be to? | evacuate the area |
The mean value of a series of hemoglobin controls was found to be 15.2 g/dL, and the standard deviation was calculated at 0.20. Acceptable control range for the laboratory is +/- 2 standard deviations. What represents the allowable limits for the control? | 14.8-15.6 g/dL |
which disinfectant inactivates HIV and HBV? | sodium hypchlorite |
What is the single most effective method to prevent nosocomial spread of infection? | perform frequent and appropriate hand hygiene |
When working with sharp equipment and object use a? | mechanical device |
The safest method of disposing of hypodermic needles is? | discard the needle in an impermeable container without other handling immediately after use |
While processing patient specimens, a technologist splashes a few small drops of bronchial wash specimen on his/her gloves. The first action should be to? | change gloves and wash hands with antiseptic/soap and water |
Hepatitis B vaccine? | must be provided by employer free of charge |
The process by which an agency or organization was predetermined standards to evaluate and recognize a program of study in an Institution is called? | Accreditation |
The first procedure to be followed if the blood gas instrument is out-of-control for all parameters is? | recalibrate, then repeat the control |
HIPAA is a federal law that requires? | confidentially of patient's health care information between 2 organizations contain the fire by closing doors |
Which organization was formed to encourage the voluntary attainment of uniformly high standards in institutional institution medical care? | The Joint Commission (JCAHO) |
What activities is not under the direction or control of the lab manager? | military leave |
Incident reports for occupational injury or illness should? | include information on the employee's past medical history |
Diagnostic specificity is defined as the % of individuals? | without a given disease who have a set negative result by a given test |
the purpose of the OSHA Hazard Communication, General Industry Standard, 29 CFR, Subpart Z, 1910. 1200, is to require employers to establish a program ensuring personnel are provided with information regarding the workplace dangers of? | hazardous chemicals |
Safe handling and disposal of laboratory generated infections waste require? | separation of infections and non infections waste |
The HMIS or NFPA 704 hazardous material identification system rating for a slightly toxic chemical would be? | 1 in the blue quadrant |
A paper or electronic report of lab results must include? | the name and address of the testing laboratory |
In addition to keeping the load close to your body and tightening your abdominal muscles when lifting heavy boxes of supplies, it is important to bend at the? | knees and hips; lift with legs and buttocks |
Your friend calls and asks you access his test results? What does this violate? | HIPPA |
the acceptable limit of error in the chemistry laboratory is standard deviations. If you run the normal control 100 times, how many of the values would be out of the control range due to random error? | 5 |
Class C fires involve? | Electrical equipment |
To prevent injury, a safe lab work practice is to? | secure long hair and jewelry |
According to OSHA, what type of warning sign should be posted in an area where an immediate hazard exists and where special precautions are necessary? | red, black and white "Danger" sign |
The volume of 25% stock sulfosaliclic acid is needed to prepare 100 mL of 5% working solution is? | 20 mL |
How many mL of red blood cells are to be used to make a 25 mL of a 4% of red cell suspension? | 1 mL |
What is the best choice for decontaminating bench tops contaminated by the AIDS virus? | sodium hypochlorite bleach |
when the exact concentration of the solute of a solution is known and is used to evaluate the concentration of the unknown solution, the known solution is? | standard |
A Levy-Jennings QC chart represents control values for 13 consecutive analyses for a particular serum constituent. IF the 14th value is below the -2 SD limit, what should be done? | analysis system should be checked for deteriorating component |
CAP requires refrigerator temperatures to be recorded? | daily |
The term used to describe reproducibility is? | precision |
A technician is asked to clean out the chemical regent storeroom and discard any reagents not used in the past 5 years. How should the technician proceed? | consult MSDS sheets for proper disposal |
A chemical that causes immediate visible destruction or irreversible alterations of human tissue at the contact site is best classified as a? | corrosive |
A glucose determination was read on spectrophotometer. The absorbance reading of the standard was 0.30. The absorbance reading of the unknown was 0.20. The value of the unknown is? | 2/3 of the standard |
Gloves worn in the laboratory for specimens processing must be removed and hands washed when? | answering the telephone in a designated "clean area" |
Which forms of exposure places a technologist at the highest risk for infection with human immunodeficiency virus (HIV)? | needlestick (Eg, from AIDS contaminated needle |
Compressed gas cylinders should? | be secured upright to the wall or other stable course |
Precautions for health care workers dealing with patients or patient specimens include? | prompt cleaning of blood spills with a disinfectant solution such as sodium hypochlorite |
what question can be legally asked on an employment application? | Are you a US citizen |
Infection rate is highest for laboratory professionals exposed to blood and body fluids containing? | hepatitis B |
An index of precision is statistically known as the? | An index of precision is statistically known as the? |
The following data were calculated on a series of 30 determinations of serum uric acid control: mean = 5.8 mg/dL, 1SD = 0.15 mg/dL. If confidence limits are set at a +/- 2 SD, what represents the allowable limits for the control? | 5.35-6.25 mg/dL |
For safe operation of a centrifuge? | ensure proper balance is maintained |
How many grams of sodium chloride are needed to prepare 1L of 0.9% saline? | 9.0 |
CLIA was established to provide oversight to? | any lab performing patient testing |
when cleaning up a small (5 mL) blood spill on the counter-top, the first step after donning appropriate personal protective equipment is to? | absorb the spill with disposable absorbent material |
Contaminated needles and syringes without safety self-sheathing devices should be? | discarded directly into an appropriate sharps container |
After receiving appropriate training, the first step in using a fire extinguisher is to? | pull the pin |
When hazardous chemicals are transferred from the original appropriately labeled container to a secondary container for immediate use by the person performing the transfer, it? | does not require labeling |
The laboratory receiving clerk notes a discrepancy between the patient identifiers on the requisition & the specimen label, & questions the emergency room department nurse . This is the 4th specimen this week that has had a specimen discrepancy. What acti | document error and communicate to laboratory supervisor so that the risk manager conducts a root cause analysis |
A serum glucose sample was too high to read, a 1:5 dilution using saline (dilution A) was made. Dilution A was tested & was again to high to red. A further 1:2 dilution was made using saline (dilution B). To calculate the result, the dilution B value mus | 10 |
Diagnostic specificity is defined as the % of individuals? | without a given disease who have a set negative result by a given test |
the purpose of the OSHA Hazard Communication, General Industry Standard, 29 CFR, Subpart Z, 1910. 1200, is to require employers to establish a program ensuring personnel are provided with information regarding the workplace dangers of? | hazardous chemicals |
Safe handling and disposal of laboratory generated infections waste require? | separation of infections and non infections waste |
The HMIS or NFPA 704 hazardous material identification system rating for a slightly toxic chemical would be? | evacuate the area |
A paper or electronic report of lab results must include? | the name and address of the testing laboratory |
In addition to keeping the load close to your body and tightening your abdominal muscles when lifting heavy boxes of supplies, it is important to bend at the? | knees and hips; lift with legs and buttocks |
The unit of measure for standard solution is? | mg/mL |
Your friend calls and asks you access his test results? What does this violate? | HIPPA |
the acceptable limit of error in the chemistry laboratory is standard deviations. If you run the normal control 100 times, how many of the values would be out of the control range due to random error? | 5 |
Class C fires involve? | Electrical equipment |
To prevent injury, a safe lab work practice is to? | secure long hair and jewelry |
According to OSHA, what type of warning sign should be posted in an area where an immediate hazard exists and where special precautions are necessary? | red, black, and white "danger sign" |
The volume of 25% stock sulfosaliclic acid is needed to prepare 100 mL of 5% working solution is? | 20 mL |
How many mL of red blood cells are to be used to make a 25 mL of a 4% of red cell suspension? | 1 mL |
What is the best choice for decontaminating bench tops contaminated by the AIDS virus? | sodium hypochlorite bleach |
when the exact concentration of the solute of a solution is known and is used to evaluate the concentration of the unknown solution, the known solution is? | standard |
A Levy-Jennings QC chart represents control values for 13 consecutive analyses for a particular serum constituent. IF the 14th value is below the -2 SD limit, what should be done? | analysis system should be checked for deteriorating component |
CAP requires refrigerator temperatures to be recorded? | daily |
The term used to describe reproducibility is? | precision |
A technician is asked to clean out the chemical regent storeroom and discard any reagents not used in the past 5 years. How should the technician proceed? | consult MSDS sheets for proper disposal |
A chemical that causes immediate visible destruction or irreversible alterations of human tissue at the contact site is best classified as a? | corrosive |
A glucose determination was read on spectrophotometer. The absorbance reading of the standard was 0.30. The absorbance reading of the unknown was 0.20. The value of the unknown is? | 2/3 of the standard |
Gloves worn in the laboratory for specimens processing must be removed and hands washed when? | answering the telephone in a designated "clean area" |
Which forms of exposure places a technologist at the highest risk for infection with human immunodeficiency virus (HIV)? | needlestick (Eg, from AIDS contaminated needle |
Compressed gas cylinders should? | be secured upright to the wall or other stable course |
Precautions for health care workers dealing with patients or patient specimens include? | prompt cleaning of blood spills with a disinfectant solution such as sodium hypochlorite |
what question can be legally asked on an employment application? | Are you a US citizen |
Infection rate is highest for laboratory professionals exposed to blood and body fluids containing? | hepatitis B |
An index of precision is statistically known as the? | coefficient of variation |
The following data were calculated on a series of 30 determinations of serum uric acid control: mean = 5.8 mg/dL, 1SD = 0.15 mg/dL. If confidence limits are set at a +/- 2 SD, what represents the allowable limits for the control? | 5.35-6.25 mg/dL |
For safe operation of a centrifuge? | ensure proper balance is maintained |
How many grams of sodium chloride are needed to prepare 1L of 0.9% saline? | 9.0 |
CLIA was established to provide oversight to? | any lab performing patient testing |
when cleaning up a small (5 mL) blood spill on the counter-top, the first step after donning appropriate personal protective equipment is to? | absorb the spill with disposable absorbent material |
Contaminated needles and syringes without safety self-sheathing devices should be? | discarded directly into an appropriate sharps container |
After receiving appropriate training, the first step in using a fire extinguisher is to? | pull the pin |
When hazardous chemicals are transferred from the original appropriately labeled container to a secondary container for immediate use by the person performing the transfer, it? | does not require labeling |
The laboratory receiving clerk notes a discrepancy between the patient identifiers on the requisition & the specimen label, & questions the emergency room department nurse . This is the 4th specimen this week that has had a specimen discrepancy. What acti | document error and communicate to laboratory supervisor so that the risk manager conducts a root cause analysis |
A serum glucose sample was too high to read, a 1:5 dilution using saline (dilution A) was made. Dilution A was tested & was again to high to red. A further 1:2 dilution was made using saline (dilution B). To calculate the result, the dilution B value mus | 10 |
What is the most likely mode of transmission for bloodborne pathogens in laboratory-acquired infections? | parenteral innoculation of blood |
After an accidental needle stick with a contaminated needle, the first action should be to? | thoroughly wash the wound with soap and water |
All laboratory instruments should? | be grounded or double insulated |
The ability of a procedure to measure only the component (s) it claims to measure is called? | specificity |
An electrical equipment fire breaks out in the laboratory. Personnel have been removed from immediate danger, the alarm has been activated. What is the next action to be taken? | contain the fire by closing doors |
hen processing specimens for mycobacterial testing what specific engineering control must be used? | biological safety cabinet |
If areas of laboratory are designated as "clean" or "contaminated" it is appropriate for a technologist to/ | touch a "contaminated" area phone with ungloved hands if hands are washed afterward |
When processing patient blood specimens and handling other potentially infectious material, the best choice of gloves is? | single use and disposable gloves |
One of the elements of a written laboratory chemical hygiene plan is to ? | designate a laboratory chemical hygiene officer |
The most effective disinfectant recommended for blood borne pathogens is? | sodium hypochlorite |
Use of "standard" (universal) precautions minimizes exposure to? | BloodBorne pathogens |
Of the following which chemical is potential is potential carcinogen? | formaldehyde |
A fire occurs in the laboratory. The first course of action is to? | remove persons from immediate danger |
technician is asked by the supervisor to prepare a standard solution from the stock standard. What is the glassware of choice for this solution? | volumetric flask |
Flammable and combustible liquids in containers >5 gallons should be stored in an | biological safety cabinet |
What is the formula for standard deviation? | square room of (sum of squared differences)/N-1 |
An example of personal protective equipment (PPE) is a | lab coat |
Which action by the phlebotomist will comply with the College of American Pathologist (CAP) Patient Safety Goal " to improve patient and sample identification at the time of specimen collection" and The Joint Commission Patient Safety Goal to "improve the | match the name and medical record number on the patient's ID bracelet to the name and medical record number on the preprinted collection label |
Safety glasses, face shields or other eye and face protectors must be worn when? | working with caustic or toxic materials |
To help prevent electrical fires in healthcare facilities? | use only UL or other safety-agency-rated electrical equipment |
Which infectious agent considered to be the primary occupational health hazard regarding transmission of bloodborne pathogens? | Hepatitis B |