NHA Phlebotomy Practice Test 1 Questions & Answers

1. The two circulations of the heart are A. Tricuspid and Bicuspid B. Pulmonary and Systemic C. Right Ventricle and Left Ventricle D. Right Atrium and Left Atrium - Answer Pulmonary and Systemic 2. Pulmonary Circulation carries A: Oxygenated blood throughout the body. B. Deoxygenated blood to the lungs and oxygenated blood from the lungs. - Answer Deoxygenated blood to the lungs and oxygenated blood from the lungs. 3. What kind of valve is the tricuspid valve? A. Atrioventricular B. Semi-lunar - Answer Atrioventricular 4. The pulmonic valve is situated between A. Upper and lower heart chambers B. Right atrium and right ventricle C. Right ventricle and pulmonary artery - Answer R. Ventricle & Pulmonary Artery 5. Endocardium is which layer of the heart. A. Outer B. Inner C. Middle - Answer Inner 6. The myocardium is the layer of the heart that is made of A. Muscle B. Cartilage C. Endometrial tissue - Answer Muscle 7. Which layer of the heart is the epicardium? A. Inner B. Middle C. Outer - Answer Outer 8. what kind of blood do arteries and arterioles carry? A. Oxygenated B. Deoxygenated - Answer Oxygenated 9. What percentage of the blood is made up of formed elements? A. 35% B. 65% C. 45% D. 55% - Answer 45% 10. What percentage of formed elements is erythrocytes? A 60% B. 55% c. 90% p. 10% - Answer 90& 11.What is the oxygen carying protein in erythroytes? A. Hemoglobin B. Reticulocytes c. Plasma D. Leukocytes - Answer Hemoglobin 12. Where do blood cells originate? A. Heat B. Lungs C. Bone marrow D. Capillaries - Answer Bone Marrow 13. How many liters of blood does the average adult have? A. 5-6 B. 3-4 c. 7-8 p. 9-10 - Answer 5-6 14. What is the normal life span ofa RBC? A. 9-12 days B. 120 days c. 365 days D. 45 days - Answer 120 days 15. What is the liquid portion of blood called? A. Plasma B. Water C. Formed elements D. Serum - Answer Plasma 16. What is the function of a leukocyte? A. Carry oxygen to cells B. Protect from infection C. Aid in clot formation - Answer protect from infection 17. What is a condition that could cause leukopenia? A. Chemotherapy B. Leukemia C. Low blood sugar D. Coagulation - Answer Chemotherapy 18. How many types of leukocytes are in blood? A. 2 B. 4 C. 5 D. 6 - Answer 5 19. Which WBC comprises 40%-60% of the white blood cells? A. Lymphocytes B. Neutrophils C. Monocytes D. Basophils - Answer Neutrophils 20. 20%-40% of WBC are comprised of A. Lymphocytes B. Neutrophils C. Basophils D. Eosinophils - Answer Lymphocytes 21. Which WBC carries histamine? A. Monocytes B.Bash C. Eosinophils D. Neutrophils - Answer Eosinophils 22. Another name for thrombocytes is A. White blood cells B. Red blood cells C. Platelets D. Monocytes - Answer Platelets 23. Hemostasis is defined as A. Steady state B. Stoppage of food C. Basil state D. Stoppage of blood - Answer Stoppage of blood 24. The first phase of hemostasis is A. Platelet phase B. Vascular stage C. Fibrinolysis D. Coagulation stage - Answer Coagulation stage 25. The test used to evaluate intrinsic pathway is called A. PT B. APTT C. LMN D. PX - Answer APTT 26. The break down and removal of a clot in the hemostasis process is A. Coagulation B. Fibrinolysis C. Vascular D. Aggregation - Answer Fibrinolysis 27. What is the preferred site for venipuncture? A. Thrombotic vein B. Antecubital fossa C. Elbow D. Ulnar vein - Answer Antecubital fossa 28. Sclerotized veins feel A. Spongy B. Cordlike C. Movable D. Square - Answer cordlike 29. Crooked or winding veins are also called A. Bad B. Tortuous C. Thrombotic D. Sclerosis - Answer Sclerosis 30. What is the preferred antiseptic for venipuncture? A. Betadine B. lodine C. Isopropyl alcohol D. Jack Daniels - Answer Isopropyl Alcohol 31. What is the size (in inches) of the needle routinely used for venipuncture? A. 1-1.5 inches B. 2-3 C. 2.5-3 D. 2-2.58 - Answer 1-1.5 inches 32. What is another name for winged infusion sets? A. Caterpillar B. Dragonfly C. Butterfly D. Beetle bug - Answer Butterfly 33. Which is NOT a reason the tourniquet is used. A. To prevent veinous flow of blood B. To make veins bulge C. To make veins blue D. To aid in vein location - Answer To make veins blue 34. A pad used to correct the patient's clothing. A. Flux B. Chux C. Tourniquet D. Antiseptic - Answer Flux 35. The most common complication of phlebotomy. A. Petechiae B. Phlebitis C. Hemoconcentration D. Hematoma - Answer Hematoma 36. Leaving the tourniquet on too long may cause. A. Hemolysis B. Hemoconcentration C. Septicemia D. Thrombosis - Answer Hemoconcentration 37. Tiny red spots on the skin cause from the rupturing of capillaries are called A. Phlebitis B. Trauma C. Petechiae D. Pimples - Answer Petechiae 38. Accumulation of fluid in the tissues. A. Lipids B. Edema C. Fistula D. Trauma - Answer Edema 39. Permanent surgical connection between an artery and a vein. A. Fistula B. Fasting C. Suture D. Edema - Answer Fistula 40. Which would be considered a pre-analytical error? A. Improper time of collection B. Wrong order of draw C. Faulty technique D. Exposure to light - Answer Wrong order of draw 41. Which would be considered a post-analytical error? A. Improper site preparation B. Medication interference C. Failure to invert tubes D. Improper use of serum separator - Answer Failure to invert tubes 42. The most important step in a routine venipuncture. A. Gathering equipment B. Palpate veins C. Identify patient D. Tying the tourniquet - Answer Identify patient 43. How many inches above the site should the tourniquet be tied? A. 2-3 B. 3-4 C. 4-5 D. 1-2 - Answer 3-4 44. If the patient continues to bleed after 8 minutes of pressure you should A. Re-tie the tourniquet B. Call the family member to hold pressure C. Call for help D. Wrap the area tightly with a towel - Answer Call for help 45. Which is not a reason for failure to collect blood? A. Tube lost vacuum B. Bevel of the needle against the vein side C. Needle not fully in the vein D. Patient drank too much liquid - Answer Patient drank too much liquid 46. Tubes may lose their vacuum due to A. Manufacturing defects B. Expired tube C. A fine crack in the tube D. All of the above - Answer All of the above 47. If the needle passes completely through the vein you must pull it out of the arm and try another vein. A. True B. False - Answer True 48. Using a butterfly may be necessary if the vein collapses with the evacuated tube system. A. True B. False - Answer True 49. A person should sustain from eating for how many hours prior to a fasting blood test. A. 8 B. 6 C. 12 D. 4 - Answer 12 50. To measure diurnal variation of cotisol hormone what kind of specimen would be required? A. Timed B. Fasting C. Therapeutic D. Blood culture - Answer Timed 51. Postprandial means A. After eating B. After sleeping C. After blood testing D. After midnight - Answer After eating 52. The OGTT test diagnoses A. High blood pressure B. Cholesterol C. Diabetes D. Hemoglobin - Answer Diabetes 53. In therapeutic blood monitoring, the trough levels are tested A. 30 minutes before the scheduled dose B. 30 minutes after the scheduled dose C. 2 hours postprandial D. 2 hours' diurnal - Answer 30 minutes after the scheduled dose