Which of the following is not an appropriate safety C. Sterilizing lancets for reuse
practice?
A. Disposing of needles in biohazard, puncture-proof
containers
B. Frequent handwashing
C. Sterilizing lancets for reuse
D. Keeping food out of the same areas as specimens
If a blood specimen is spilled on a laboratory bench B. absorb blood with disposable towels
or floor area, the first step in cleanup should be
A. wear gloves and a lab coat
B. absorb blood with disposable towels
C. clean with freshly prepared 1% chlorine solution
D. wash with water
Which of the following procedures is the most basic A. Washing hands between patient contacts
and effective in preventing nosocomial infections?
A. Washing hands between patient contacts
B. Wearing laboratory coats
C. Isolating infectious patients
D. Isolating infectious specimens
The likelihood of infection after exposure to HBV- A. source (anatomical site) of the blood or fluid
infected or HIV-infected blood or body fluids depends
on all of the following factors except the
A. source (anatomical site) of the blood or fluid
B. concentration of the virus
C. duration of the contact
D. presence of nonintact skin
HBV and HIV may be directly transmitted in the D. sharing bathroom facilities with an HIV-positive
occupational setting by all of the following except person
A. parenteral inoculation with contaminated blood
B. exposure of intact skin to contaminated blood or
certain body fluids
C. exposure of intact mucous membranes to
contaminated blood or certain body fluids
D. sharing bathroom facilities with an HIV-positive
person
Standard precautions have been instituted in clinical D. all of the above
laboratories to prevent _____ exposures of healthcare
workers to bloodborne pathogens such as HIV and
HBV.
A. parenteral
B. nonintact mucous membrane
C. nonintact skin
D. all of the above
, Turgeon Hematology Study Guide | HEMA Exam Prep
Exposure to _____ constitutes the major source of B. blood
HIV and HBV infection in healthcare personnel.
A. sputum
B. blood
C. urine
D. semen
The transmission of HBV is _____ probable than B. more
transmission of HIV.
A. less
B. more
Gloves for medical use may be D. all of the above
A. sterile or nonsterile
B. latex or vinyl
C. used only once
D. all of the above
Diluted bleach for disinfecting 12. B. 1:10
work surfaces, equipment, and spills should be 13. B. 10
prepared daily by preparing a _____ (12) dilution of
household bleach. This dilution requires _____ (13) mL
of bleach diluted to 100 Ml with H2O.
12._____
A. 1:5
B. 1:10
C. 1:20
D. 1:100
13._____
A. 1
B. 10
C. 25
D. 50
The laboratory procedure manual does not need to C. the name of the supplier of common laboratory
include chemicals
A. test method, principle of the test, and clinical
applications
B. specimen collection and storage procedures
C. the name of the supplier of common laboratory
chemicals
D. QC techniques, procedures, normal values, and
technical sources of error
, Turgeon Hematology Study Guide | HEMA Exam Prep
Which of the following statements is not a B. Monitoring the standard deviation and reporting
nonanalytical factor in a Quality Assessment system? results of normal and abnormal controls
A. Qualified personnel and established laboratory
policies
B. Monitoring the standard deviation and reporting
results of normal and abnormal controls
C. Maintenance of a procedure manual and the use of
appropriate methodology
D. Preventive maintenance of equipment and correct
specimen collection
In which of the following laboratory situations is a C. When emergency test results are needed by a
verbal report permissible? physician
A. When the patient is going directly to the physician's
office and would like to have the report available
B. When the report cannot be found at the nurse's
station
C. When emergency test results are needed by a
physician
D. None of the above
MATCH: ACCURACY B. Closeness to the true value
A. The value is known in a specimen similar to a
patient's whole blood or serum.
B. Closeness to the true value
C. The process of monitoring accuracy
D. Comparison to a known physical constant
MATCH: CALIBRATION D. Comparison to a known physical constant
A. The value is known in a specimen similar to a
patient's whole blood or serum.
B. Closeness to the true value
C. The process of monitoring accuracy
D. Comparison to a known physical constant
MATCH: CONTROL A. The value is known in a specimen similar to a
patient's whole blood or serum.
A. The value is known in a specimen similar to a
patient's whole blood or serum.
B. Closeness to the true value
C. The process of monitoring accuracy
D. Comparison to a known physical constant
MATCH: QUALITY CONTROL C. The process of monitoring accuracy
A. The value is known in a specimen similar to a
patient's whole blood or serum.
B. Closeness to the true value
C. The process of monitoring accuracy
D. Comparison to a known physical constant
, Turgeon Hematology Study Guide | HEMA Exam Prep
MATCH: PRECISION A. How close test results are when repeated.
A. How close test results are when repeated.
B. A purified substance of a known composition.
C. The process of monitoring accuracy and
reproducibility of known control results.
D. The value is unknown.
MATCH: STANDARDS B. A purified substance of a known composition.
A. How close test results are when repeated.
B. A purified substance of a known composition.
C. The process of monitoring accuracy and
reproducibility of known control results.
D. The value is unknown.
MATCH: QUALITY C. The process of monitoring accuracy and
reproducibility of known control results.
A. How close test results are when repeated.
B. A purified substance of a known composition.
C. The process of monitoring accuracy and
reproducibility of known control results.
D. The value is unknown.
23. Which of the following is not a function of a B. Confirms the correct identity of patient specimens
quantitative QC program?
A. Monitors the correct functioning of equipment,
reagents, and individual technique
B. Confirms the correct identity of patient specimens
C. Compares the accuracy of controls to reference
values
D. Detects shifts in control values
Two standard deviations (2 SD) from the mean in a 95% of all values
normal distribution curve would include
A. 99% of all values
B. 95% of all values
C. 75% of all values
D. 68% of all values
Which of the following statements is true of a D. It represents a normal bell-shaped distribution.
Gaussian curve?
A. It represents the standard deviation.
B. It represents the coefficient of variation.
C. It represents variance of a population.
D. It represents a normal bell-shaped distribution.