CMLA Exam Review | 239 Questions and Answers(A+ Solution guide)

The most commonly performed test for anticoagulation therapy is: - the prothrombin time If a urine specimen cannot be tested within ________ it should be refrigerated. - 1 hour Insufficient centrifugation while performing a microhematocrit will result in: - a false increase in hematocrit value A decrease in the number of white blood cells is known as: - leukopenia Which urine parameter would be abnormal when a patient has been fasting? - ketones Patients with uncontrolled diabetes will have abnormal results in the following urine parameter(s): - glucose and ketones The change in the shape of erythrocytes as observed on a peripheral smear is described as: - poikilocytosis The most common test performed in the hematology department is: - CBC - complete blood count What does an elevated ESR (erythrocyte sedimentation rate) indicate? - inflammation What mineral is essential for hemoglobin production? - iron What is the major Hgb found in the RBCs of patients with sickle cell anemia? - Hgb S The term for increased white blood cell count is: - leukocytosisThe function of the kidney is to remove _____ and reabsorb ____. - waste products, water What is the normal WBC differential lymphocyte percentage in the adult population? - 20%-44% Which urine parameter would be abnormal if there were bacteria present in the urine? - nitrates The ratio of the volume of RBC to the total volume of blood is known as: - hematocrit Which WBC produces antibodies? - lymphocytes The most common cause of leukocytosis is: - a bacterial infection How is a sterile urine sample collected? - by having the nurse collect while using a catheter Which of the following cells are phagocytic? - neutrophils and monocytes What cells are involved in hemostasis? - platelets Variation in red cell size observed on a peripheral smear is described as: - anisocytosis What is the total magnification of a microscope with a 10X eyepiece and a 40X objective? - 400 A urine sample can be refrigerated for up to _______ and must be allowed to warm to room temperature prior to testing. - 4 hours What is the normal range for urine specific gravity? -1.010 to 1.025