MLT ASCP Practice Tests| 88 Questions| with complete solutions

Standard precautions apply to all of the following except: a. Blood b. Cerebrospinal fluid c. Semen d. Concentrated acids Correct Answer: d. Concentrated acids 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 Correct Answer: b. Proper hand washing The appropriate dilution of bleach to use in laboratory disinfection is: a. 1:2 b. 1:5 c. 1:10 d. 1:100 Correct Answer: d. 1:10 How frequently should fire alarms and sprinkler systems be tested? a. Weekly b. Monthly c. Quarterly d. Annually Correct Answer: c. Quarterly 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 2 C to 8 C to reduce volatilization d. On a low shelf in an area protected from light Correct Answer: a. In an approved safety can or storage cabinet away from heat sources 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 Correct Answer: b. Improper disposal of phlebotomy equipment What class fire extinguisher would be appropriate to use on a fire in a chemical cabinet? a. Class A b. Class B