Clinical Chemistry Trivia Questions
Do you want to know more about clinical chemistry? Take this quiz now and learn more about it!
- 1.Which of the following agencies is involved in protecting the safety of employees in the workplace?
- A.
OSHA
- B.
CAP
- C.
NRA
- D.
CMS
- 2.Which of the following best describes universal precautions?
- A.
Wearing personal protective equipment in the lab
- B.
Testing all patient specimens for anti-HIV-1/2
- C.
Treating all specimens as potentially bioharzardous
- D.
Washing hands immediately after removing gloves
- 3.Which of the following provide information on how to clean up a chemical spill?
- A.
Material Safety Data Sheet
- B.
Package insert
- C.
Standard operating procedure
- D.
Policy manual
- 4.According to the NFPA hazards identification system, what does the red quadrant indicate?
- A.
A health hazard
- B.
A flammable hazard
- C.
A reactivity hazard
- D.
Special instructions
- 5.Which of the following are bloodborne pathogens?
- A.
TB and methiciliin resistant Staph auereus
- B.
Hep C and vancomyocin resistant enterococci
- C.
Human immunodeficiency virum and hep B
- D.
Creutzfeldt-Jakob disease and hep A
- 6.A fire that is cuased by discarding a lit cigarette in a trash can is an example of what type of fire?
- A.
Class A
- B.
Class B
- C.
Class C
- D.
Class D
- 7.Which of the following is NOT considered presonal protective equipment
- A.
Latex gloves
- B.
Goggles
- C.
Laboratory coat
- D.
Eyeglasses
- 8.Respirator fittings are performed to protect employees against what airborne pathogen?
- A.
Staph auereus
- B.
Mycobacterium tuberculosis
- C.
Human immunodeficiency virus
- D.
Hepatitis B virus
- 9.A round bottomed glass tube with only 1 marking of 500 mL volume is called a
- A.
Erylynmeyer beaker
- B.
Volumetric flask
- C.
Graduated flask
- D.
Measuring beaker
- 10.How is a TD pipet drained?
- A.
Drain by gravity; do not touch tip of pipet to receiving vessel
- B.
Drain by gravity; tip agaimst inside of receiving vessel surface
- C.
Drain by gravity; rinse out with the diluting fluid
- D.
Drain by gravity; expel last drop of diluent using bulb
- 11.Which of the following pipets is the most accurate and is used to reconstitute controls and calibratons?
- A.
Volumetric
- B.
Serological
- C.
Measuring
- D.
Graduated
- 12.Chemistry analytes such as glucose and cholesterol are an example of which of the following?
- A.
Solvent
- B.
Solute
- C.
Solution
- D.
Buffer
- 13.Which of the following concentrations is expressed in moles/liter?
- A.
Molality
- B.
Normality
- C.
Molarity
- D.
Percent concentration
- 14.The CLS student lab swinging bucket centrifuge is an example of which of the following?
- A.
Horizontal centrifuge
- B.
Fixed angle centrifuge
- C.
Angle-head centrifuge
- D.
Ultracentrifuge
- 15.What is the formula for relative centrifugal force?
- A.
1.18 x 10^-5 (r)(rpm^2)
- B.
1.18 x 10^5 (r)(rmp^2)
- C.
1.18 x 10^-5 (r^2)(rpm)
- D.
1.18 x 10^5 (r^2)(rpm)
- 16.A solution contains 300 g/L of NaCl (GMW=58.5). What is the molarity of the solution?
- A.
1.9 M
- B.
2.0 M
- C.
3.0 M
- D.
5.1 M
- 17.An enzyme result is 1530 U/L but is flagged out of instrument linearity. Using 0.1 mL of patient sample and 0.2 mL of dilutent, the laboratorian makes a dilution and repeats the analysis. What dilution factor should the diluted result be multiplied by?
- A.
1
- B.
2
- C.
3
- D.
4
- 18.In a serial dilution, if tube 1 is undiluted and twofold dilutions are used thereafter, what is the titer in tube #10?
- A.
128
- B.
256
- C.
512
- D.
1024
- 19.Which of the following is NOT a SI unit of measurement?
- A.
Meter
- B.
Moles
- C.
Liter
- D.
Celsius
- 20.How is 100 degrees F recorded in Celcius?
- A.
22
- B.
35
- C.
38
- D.
42
- 21.What is the mean of the following BUN control values 19.9, 20.0, 20.2, 21.9
- A.
20
- B.
20.1
- C.
20.5
- D.
21.0
- 22.Using expired reagents to assay patient samples will result in an error in what phase of lab testing?
- A.
Preanalytical
- B.
Analytical
- C.
Postanalytical
- D.
Will not cause an error
- 23.What is the most commonly analyzed specimen in chemistry?
- A.
Plasma
- B.
Serum
- C.
Whole blood
- D.
24 hour urine
- 24.EDTA-K3 is not an acceptable specimen for most chemistry tests. What color tube would be recieved in the lab if it was drawn in error?
- A.
Red
- B.
Purple
- C.
Blue
- D.
Green
- 25.What is serum?
- A.
Liquid component of blood including all coagulation factors
- B.
Liquid component of blood synonymous with absorbed proteins
- C.
Cellular component of blood above the red cells
- D.
Liquid component of blood without presence of fibrinogen
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