NHA Phlebotomy Study Guide - Pt 1 Questions with Correct Answers

NHA Phlebotomy Study Guide - Pt 1 Questions with Correct Answers What are the two circulations of the Heart ? Pulmonary and Systemic The pulmonary circulation carries _____? Deoxygenated blood to the lungs and oxygenated blood from the lungs. What kind of valve is the tricuspid valve? atrioventricle The pulmonic valve is situated between _____________? Right Ventricle (RV) and pulmonary artery Endocardium is which layer of the heart? inner The myocardium is the layer of the heart that is made of ____________? muscle Which layer of the heart is the epicardium? outer What kind of blood do arteries and arterioles carry? oxygenated What percentage of the blood is made up of formed elements? 45% What percentage of formed elements is erythrocytes? 90% What is the oxygen carrying protein in erythrocytes? hemoglobin Where do blood cells originate? bone marrow How many liters of blood does the average adult have? 5-6 What is the normal life span of a RBC? 120 days What is the liquid portion of blood (inside of body) called? plasma What is the function of a leukocyte? protect from infection What is a condition that could cause leukopenia (low white blood cell count)? chemotherapy How many types of leukocytes are in blood? 5 Which WBC comprises 40%-60% of the WBCs? neutrophilsHow much of 20%-40% comprises of WBC ? lymphocytes Which WBC carries histamine? basophils Another name for thrombocytes is _____? Platelets Hemostatis is defined as __________? stoppage of blood The first phase of hemostasis is ______? vascular stage; 2) platelet stage; 3) coagulation; 4) fibrinolysis The test used to evaluate intrinsic pathway is called ____________? aPTT (heparin TDM) The break down and removal of a clot in the hemostasis process is _________? fibrinolysis What is the preferred site for venipuncture? antecubital fossa Sclerosed (Schlerosis) veins feel ________? cordlike Crooked or winding veins are also called ______________? tortuous What is the preferred antiseptic for venipuncture? isopropyl alcohol What is the size (in inches) of needle routinely used for venipuncture? 1-1.5 inches in length What is another name for winged infusion sets? butterfly Which is NOT a reason the tourniquet is used? to make veins blue A pad used to protect the patient's clothing? Chux The most common complication of phlebotomy ? Hematoma (especially in older patients) Leaving the tourniquet on too long may cause _________? Hemoconcentration (pool of blood) Tiny red spots on the skin cause from the rupturing of capillaires are called ? Petechiae (p-t-k)