LIPIDS
Calculate the LDL cholesterol from the following data:
Total cholesterol: 250 mg/dL
HDL cholesterol: 40 mg/dL
Triglycerides: 210 mg/dL
LDL = Total cholesterol - HDL cholesterol - (trig/5)
168
What is the preferred collection tube for glucose from off-site locations?
A) Sodium fluoride
B) Sodium heparin
C) Lithium heparin
D) Serum separator tube
Sodium Fluoride
When washing hands, what is the minimum amount og time hands be lathered with soap?
a. 5 seconds
b. 10 seconds
c. 20 seconds
d. 1 minute
20 seconds
Which type of error does 2 2s usually detect?
a. Random
b. Systematic
Systematic
All the following can be used for Glucose testing except?
a. CSF
b. Urine
c. Plasma
d. Serum
urine
Enzymatic triglycerides methods measure the production of what end-product?
A) Fatty acid
B) Glycerol
C) Lipase
D) Cholestenone
Glycerol
What is the reference method for glucose determination?
A) Glucose dehydrogenase
B) Hexokinase
C) Glucose oxidase
D) Copper-reduction
hexokinase
Which source provides the best information of PPE requirements?
a. CDC
b. EPA
c. FDA
d. OSHA
OSHA
Which type of error does the 1 3s rule usually detect?
a. Random
B. Systematic
Random
. What must be included on the label of a tube of blood?
a. Patient name and DOB
b. Date and time of draw
c. Your initials and time of draw
d. Your initials and date
A
Increased concentrations of which of the following causes a patient’s serum to appear hazy?
A) Exogenous triglycerides
B) Endogenous triglycerides
C) HDL cholesterol
D) LDL cholesterol
Exogenous Triglycerides
Which of the following is a characteristic of type 2 diabetes mellitus?
A) Insulin dependent
B) Adult-onset type
C) Ketoacidosis prone
D) Autoimmune disease
Adult-onset type
The concept that laboratory personnel should treat all blood and body fluids as capable transmitting infectious diseases is known as:
a. Infection Control
b. Quality Control
c. Safe Practice Standards
d. Universal Precautions.
Universal Precautions
For a certain method, a control has a mean result of 12 with a standard deviation (SD) of 2. What is the acceptable 95% range for this control?
a. 10 - 14
b. 8 – 16
c. 6 – 16
d. 4- 18
8 to 16
What type of chart is best to detect QC errors?
a. Levy-Jennings (LJ)
b. Tonks-Youden
c. Cusum
d. Linear regression
LJ
What lipoprotein contains the highest concentration of protein?
A) Chylomicrons
B) VLDL
C) LDL
D) HDL
HDL
Which of the following tests assesses the degree of glucose control over a 2- to 3- month period?
A) Fasting blood glucose
B) Glycated hemoglobin (Hgb A1C)
C) Fructosamine
D) 2-hour PP glucose
A1C
Which of the following terms may be defined as the extent to which a measurement agrees with the true value of the analyte being measured?
Please select the single best answer
a. Reproducibility
b. Accuracy
c. Precision
d. Linearity
precision
Preferred sample for Glucose testing is all the following except:
a. EDTA (purple top)
b. Lithium Heparin (PST-Green Top)
c. Serum Separator Tube (SST)
d. Potassium Oxalate/ Sodium Floride (grey top)
EDTA
Triglycerides are composed of:
A) a glycerol backbone.
B) three fatty acids.
C) amide linkages between the fatty acids and the glycerol.
D) A and B above.
E) A, B, and C above.
A and B
The initial early sign of diabetes is hyperglycemia. More significant hyperglycemia can cause all the following except:
A. Glycosuria
B. Urinary Frequency
C. Anuria
D. Polydipsia
Anuria
Of the following, which would be considered personal protective equipment?
a. Biologic safety cabinet
b. Latex Gloves
c. Sharps container
D. Work Shields.
Latex Gloves