Chapter 1 Safety in the Hematology Laboratory 1. d; 2. b; 3. c; 4. c; 5. a; 6. b; 7. c; 8. b; 9. b; 10. b; 11. d 1. Standard precautions apply to all of the following except: a. Blood b. Cerebrospinal fluid c. Semen d. Concentrated acids 2. The most important practice in preventing the spread of disease is: a. Wearing masks during patient contact b. Proper hand washing c. Wearing disposable laboratory coats d. Identifying specimens from known or suspected HIV and HBV-infected patients with a red label 3. The appropriate dilution of bleach to be used in laboratory disinfection is: a. 1:2 b. 1:5 c. 1:10 d. 1:100 4. How frequently should fire alarms and sprinkler systems be tested? a. Weekly b. Monthly c. Quarterly d. Annually 5. Where should alcohol and other flammable chemicals be stored? a. In an approved safety can or storage cabinet away from heat sources b. Under a hood and arranged alphabetically for ease of identification in an emergency c. In a refrigerator at 28 C to 88 C to reduce volatilization d. On a low shelf in an area protected from light 6. The most frequent cause of needle punctures is: a. Patient movement during venipuncture b. Improper disposal of phlebotomy equipment c. Inattention during removal of needle after venipuncture d. Failure to attach needle firmly to syringe or tube holder 7. Under which of the following circumstances would a SDS be helpful? a. A phlebotomist has experienced a needle puncture with a clean needle. b. A fire extinguisher failed during routine testing. c. A pregnant laboratory employee has asked whether she needs to be concerned about working with a given reagent. d. During a safety inspection, an aged microscope power supply is found to have a frayed power cord. 8. It is a busy evening in the City Hospital hematology department. One staff member called in sick, and there was a major auto accident that has one staff member tied up in the blood bank all evening. Mary, the medical laboratory scientist covering hematology, is in a hurry to get a stat sample on the analyzer but needs to pour off an aliquot for another department. She is wearing gloves and a lab coat. She carefully covers the stopper of the well-mixed ethylenediaminetetraacetic acid (EDTA) tube with a gauze square and tilts the stopper toward her so it opens away from her. She pours off about 1 mL into a prelabeled tube, replaces the stopper of the EDTA tube, and puts it in the sample rack and sets it on the conveyor. She then brings the poured sample off to the other department. How would you assess Mary’s safety practice? a. Mary was careful and followed all appropriate procedures. b. Mary should have used a shield when opening the tube. c. Mary should have poured the sample into a sterile tube. d. Mary should have wiped the tube with alcohol after replacing the stopper. 9. What class fire extinguisher would be appropriate to use on a fire in a chemical cabinet? a. Class A b. Class B c. Class C d. Class D 10. According to OSHA standards, laboratory coats must be all of the following except: a. Water resistant b. Made of cloth fabric that can be readily laundered c. Long-sleeved d. Worn fully buttoned 11. Which one of the following would NOT be part of a safety management plan? a. Job safety analysis b. Risk assessment of potential safety hazards c. Mechanism for reporting accidents d. Budget for engineering controls and personal protective equipment Chapter 3 Blood Specimen Collection 1. a; 2. b; 3. b; 4. c; 5. b; 6. b; 7. b; 8. d; 9. b; 10. c; 11. c; 12. a 1. Which step in the CLSI (Clinical & Laboratory Standards Institute) procedure for venipuncture is part of standard precautions? a. Wearing gloves b. Positively identifying the patient