MLT Study Guide #1| 50 questions| with complete solutions

Hematology Correct Answer: the study of blood Average adult has how much blood? Correct Answer: About 5-6 liters (8-12 pints) When blood is centrifuges what happens? Correct Answer: It seperates into two distinct portions plasma & cells About 45% is cellular or formed elements called? Correct Answer: RBCs, WBCs, and platelets RBCs Correct Answer: Contain hemoglobin which carries oxygen to tissues WBCs Correct Answer: defend against foreign infectious agents (such as bacteria, viruses, fungi, etc. Platelets (Plt) Correct Answer: aid in the stoppage of bleeding The remaining 55% is plasma which contains what? Correct Answer: Straw/yellow fluid which is 90% water and 10% proteins, carbohydrates, vitamins, hormones, enzymes, lipids, salts, etc. Transmission of microorganisms from person to person resulting in infection is called? Correct Answer: Chain of infection What is blood-borne pathogens? Correct Answer: Organisms that can be transmitted through contact with human blood or other potentially infectious fluids or specimens that come from humans. HIV, HCV, and HBV are the viruses that are of major concern. Universal Precautions Correct Answer: (UP) a method of infection control in which all human blood and other body fluids containing visible blood are treated as if infectious. Standard Precautions Correct Answer: a set of comprehensive safety guidelines designed to protect patients and healthcare workers by requiring that all patients and all body fluids, body substances, organs, and unfixed tissues be regarded as potentially infectious. (Combines UP &BI) BSI Correct Answer: Body Substance Isolation PPE Correct Answer: Personal Protective Equipment should be worn when handling or collecting blood or body fluids contaminated with blood. (gloves, goggles, face shield, etc) Work areas should be cleaned with what? Correct Answer: 10% solution of bleach (1:10 dilution- 1 part bleach mixed with 9 parts water) Ac