Clinical Chemistry: Q1

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Clinical Chemistry: Q1
2011-10-18 14:30:21
Clinical Chemistry Q1

Clinical Chemistry: Q1
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  1. True or False?
    The System International d'Unites (SI) uses standard prefixes
  2. Which unit is not an SI unit?
    d) pound
  3. Distilled water is water produced by:
    d) Distillation
  4. A substance dissolved in a liquid is:
    b) A solute
  5. A percent solution is expressed as:
    a) the amount of solute per 100 total units of solution
  6. The expression which mathematically represents the dissociation of weak acids and bases is known as:
    c) the Henderson-Hasselbalch equation
  7. True or False?
    If a thermometer used in a clinical lab is calibrated, it is not necessary to record the temp. for QA purposes.
  8. Pipets are devices used to tranfer volumes of liquids. Which is not a pipet?
    d) Erlenmeyer pipet
  9. Which is not true about centrifuges used in a clinical lab?
    c) the RPM indicator on the centrifuge always indicates the correct RPMs
  10. How manu grams of NaOH are required to make 1 liter of a 10% NaOH (w/v) solution?
    d) 100 grams
  11. If a patient's glucose is assayed and reported to be 1000mg/dl and it is diluted 1:4, what should be the reanalyzed value?
    b) 250 mg/dl
  12. True or False?
    Beer's Law describes the relationship between the concentration of a solution and the solution's absorbance in many photometric determinations.
  13. The needle gauge with the largest lumen is:
  14. The purpose of the OSHA Hazard Communication, General Industry Safety Standard, 29 CFR 1910.1200 is to require employers to establish a program ensuring personnel are provided with information regarding the workplace dangers of:
    Hazardous chemicals
  15. Labels on shipped chemicals from manufacturers, importer or distributor are required to include information on?
    Appropriate hazard warnings
  16. A chemical that causes immediate visible destruction or irreversible alterations of human tissue at the contact site is best classified as an:
  17. An example of personal protective Equipment (PPE) is:
    A lab coat
  18. The use of standard "Universal Precaution" minimizes exposure to:
    Blood borne Pathogens
  19. Which is the most likely mode of tranmission for blood borne pathogens?
    Parenteral inoculation of immunodificiency disease
  20. A vacutainer tube with a green stopper normally contains:
  21. The major source of safety information for employees in a clinical lab who may use hazardous chemicals is:
    The material safety data sheet
  22. A class C fire is classified as:
    Electrical equipment, switches, motors
  23. Which chemical substances should be stored seperately?
    • Flammable liquids-Flammable solids
    • Mineral