Medical lab technician exam questions and answers

Q 1. two technicians were told to test a particular blood sample. one technician used a chromatograph, and the other technician used a hemacytometer. what could have been done to ensure that the technicians used the same test?

Q 2. In a centrifuged sample what fraction would contain erythrocyte antigens?

Q 3. when the nurse reviews the client’s laboratory reports revealing sodium, 140 meq/l (140 mmol/l); potassium, 4.1 meq/l (4.1 mmol/l); calcium 7.9 mg/dl (1.975 mmol/l), and magnesium 1.9 mg/dl (0.781 mmol/l); the nurse should notify the physician of the client’s:

Q 4._____ is a non-invasive method allowing the monitoring of the saturation of a patient’s hemoglobin.

Q 5. which of the following is not a safety precaution that should be practiced at home?

A. unplugging electrical appliances, not in use.

B. storing flammable materials in a cool place

C. turning off the television at night. not overloading outlets

Q 6. A client is experiencing fatigue and laboratory results reveal: hct 40% (0.40); hgb 8 g/dl (80 g/l); wbc 8000 (8 x 109/l); and platelets 175,000/ µl (175 ×109/l). the nurse would interpret these results as indicative of which diagnosis?

Q 7. Tony is diagnosed with acid reflux. this is a condition in which stomach secretions that contain hydrochloric acid or HCl, regurgitate (reflux) out of the stomach and into the esophagus.

Q 8.  Stomach secretions are very acidic with a ph around 2.0. the acids damage the esophagus and it is felt like heartburn. this painful condition can be treated with over-the-counter (otc) antacids. what do you think these antacids are?

Q 9. Which piece of histology equipment is not temperature-dependent. a. microtome b. cryostat c. embedding media

Q 10. Thirty-six colonies grew in nutrient agar from 1.0 ml of undiluted sample in a standard plate count. how many cells were in the original sample