MedCA Final Exam 60 Questions with Verified Answers,100% CORRECT

MedCA Final Exam 60 Questions with Verified Answers Therapeutic phlebotomy can be used to treat what condition? - CORRECT ANSWER Hemochromatosis What is NOT one of the four major groups which the phlebotomist's wor ...

MedCA Final Exam 60 Questions with Verified Answers Therapeutic phlebotomy can be used to treat what condition? - CORRECT ANSWER Hemochromatosis What is NOT one of the four major groups which the phlebotomist's work duties are categorized? - CORRECT ANSWER Infection Control Expiration dates should be include in quality control records (true or false). - CORRECT ANSWER True A phlebotomy technician may work in which of the following settings? - CORRECT ANSWER All of the above- Blood banks, pharmaceutical firm, research firm The chain of infection includes all of the following except- - CORRECT ANSWER The head nurse What is the first thing you should do if you are accidentally stuck by a used needle? - CORRECT ANSWER Wash the site with soap and water All of the following can influence blood pressure at various places int he body except: - CORRECT ANSWER A person's age Unless otherwise specified, blood pressure is measured at the________ - CORRECT ANSWER Inside of the elbow Why should your thumb not be used to measure pulse? - CORRECT ANSWER It has a pulse of its own Bradycardia is when the pulse- - CORRECT ANSWER Drops below 60bpm Where in the body is blood made? - CORRECT ANSWER Bone marrow The pH range of blood is: - CORRECT ANSWER 7.35-7.45 Red blood cells do not contain a nucleus (T or F) - CORRECT ANSWER True In the average adult, blood makes up about ________ of the body weight. - CORRECT ANSWER 8% Erythrocytes are ___________ - CORRECT ANSWER Red blood cells The life span of red blood cells is ____________. - CORRECT ANSWER 100-120 days Red blood cells are the body's major way of delivering ________ to the body's tissues. - CORRECT ANSWER Oxygen What is the process of the removal of old and defective red blood cells called? - CORRECT ANSWER Eryptosis Leukocytes are ___________ - CORRECT ANSWER White blood cells White blood cells are the main cells of the _______________ - CORRECT ANSWER Immune system Which of the following is the type of white blood cells that are responsible for allergic reactions? - CORRECT ANSWER Basophils Thrombocytes are ________ - CORRECT ANSWER Platelets The function of platelets is to: - CORRECT ANSWER Stop blood loss due to wounds Reserve platelets are stored in the __________ - CORRECT ANSWER Spleen Platelets secrete chemicals to urge ________ into a wound. - CORRECT ANSWER Fibroblasts Veins have two layers, while arteries have ____________. - CORRECT ANSWER Three layers _________ are small vessels located in the liver, spleen and bone marrow. - CORRECT ANSWER Sinusoids When coming in contact with patients in protective isolation, it is necessary to wear: - CORRECT ANSWER All of the above- gowns, masks, gloves What is the single most important way to prevent the spread of infection? - CORRECT ANSWER Hand washing Blood pressure ___________ as the circulating blood moves away from the heart. - CORRECT ANSWER Decreases A normal blood pressure reading is ____________ - CORRECT ANSWER 120/80 mmHg A diastolic heart sound is heard at the time the heart ________________. - CORRECT ANSWER Relaxes Which of the following activities would cause a person's heart rate to slow down? - CORRECT ANSWER Sleeping The normal pulse rate of a 9 year old child is ____________. - CORRECT ANSWER 75-110 beats per minute As blood is removed from the body, the blood clots and the fluid are also called _____________ . - CORRECT ANSWER Serum The state of being stead or stable is known as ____________. - CORRECT ANSWER Homeostasis Which of the following does NOT help in the regulation of blood cells? - CORRECT ANSWER Brain The formation of blood cells starts in the bone marrow as _____________. - CORRECT ANSWER Stem cells Plasma makes up ____________ of blood tissue. - CORRECT ANSWER 55% The blood volume in an average adult is about ______ liters. - CORRECT ANSWER 5 The lower the pH level, the more ________ blood is. - CORRECT ANSWER Acidic The most numerous blood cells in the body are __________ - CORRECT ANSWER Red blood cells People with a low number of red blood cells are considered to have a condition called __________ - CORRECT ANSWER Anemia Which of the following describes the process of development in which new red blood cells are produced? - CORRECT ANSWER Erythropoiesis How long does it take red blood cells to mature? - CORRECT ANSWER 7 days About ___________ red blood cells are produced per second. - CORRECT ANSWER 2 million Developing red blood cells are also called __________. - CORRECT ANSWER Reticulocytes Eryptosis takes place _____________ the production of red blood cells. - CORRECT ANSWER At the same rate as ______________ are developed from cells in the bone marrow called hematopoietic stem cells. - CORRECT ANSWER White blood cells White blood cells contain chromosomes. (t or f) - CORRECT ANSWER True Neutrophils defend the body against ________. - CORRECT ANSWER Fungal or bacterial infection White blood cells are grouped into B cells, T cells, and _________. - CORRECT ANSWER NK cells Macrophages are formed from monocytes. (t or f) - CORRECT ANSWER True Blood clotting is also known as ______. - CORRECT ANSWER Coagulation The average lifespan of platelets is _________. - CORRECT ANSWER 5-9 days If a person has insufficient amounts of platelets, it may lead to ___________. - CORRECT ANSWER Excessive bleeding For a normal blood specimen, it usually takes _________ for the blood to clot. - CORRECT ANSWER 30-60 minutes Venus vessels carry blood _________ the heart. - CORRECT ANSWER Towards The human arterial system develops at _________ of human development. - CORRECT ANSWER 4 weeks The smallest blood vessels are _________. - CORRECT ANSWER Capillaries