Ch. 20 Laboratory Assistant Skills with correct answers 100% 2026

Ch. 20 Laboratory Assistant Skills with correct answers 100% 2026 microscope - Correct Answer an instrument used to magnify and visualize objects too small to be seen with the naked eye culture specimen - Correct Answer a sample of microorganisms or tissue cells taken from an area of the body for examination direct smear - Correct Answer bacteriological smear; when specimen is placed immediately on a slide agar plate - Correct Answer special laboratory dish containing agar, a gelatinous colloidal extract of a red alga, which is used to provide nourishment for growth of organisms resistant - Correct Answer able to oppose; organisms that remain unaffected by harmful substances in the environment senstive - Correct Answer ability to recognize and appreciate the personal characteristics of others Gram's stain - Correct Answer technique of staining organisms to identify specific types of bacteria present skin puncture - Correct Answer a small puncture made in the skin to obtain capillary blood Venipincture - Correct Answer surgical puncture of vein; inserting a needle into a vein Hematocrit - Correct Answer "crit" is a blood test that measures the volume of packed red blood cells (RBC's ), or erythrocytes in the blood Erythocytes - Correct Answer red blood cells Leukocytes - Correct Answer white blood cells anticoagulant - Correct Answer Substance that prevents blood from clotting Hemoglobin (Hgb) - Correct Answer the iron- containing protein of red blood cells; serves to carry oxygen from the lungs to the tissues hemolysis - Correct Answer disintegration of red blood cells, causing cells to dissolve or go into solution blood smear - Correct Answer a drop of blood spread thinly on a slide for microscopic examination differential count - Correct Answer Blood test that determines the percentage of each kind of leukocyte (white blood cell) typing and crossmatch - Correct Answer A determination of blood types and antigens prior to a blood transfusion Antibody screen - Correct Answer test that checks for antibodies in the blood prior to a transfusion erythrocyte sedimentation rate (ESR) - Correct Answer Blood test that determines the rate at which red blood cells settle out of the blood Glucose - Correct Answer the most common type of sugar in the body hyperglycemia - Correct Answer low blood sugar