*NURSING > EXAM > MedCA Final Exam 60 Questions with Verified Answers,100% CORRECT (All)

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

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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 th... e 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 [Show More]

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