Phlebotomy National Exam Questions And Answers Latest Top Score.

Phlebotomy National Exam Questions And Answers Latest Top Score. What is hyperglycemia? - correct answer. high blood glucose Name the needle with wings & plastic tubing. - correct answer. butterfly needle How do you cleanse the puncture site when preparing for a draw? - correct answer. In a spiral motion; inside to outside, with alcohol pad. What is the risk of drawing blood with a 25 gauge needle? - correct answer. hemolyzing the specimen What to do when a patient's spouse ask how he/she is doing? - correct answer. Tell them that their physician will be with you soon to answer any questions you may have. In clinical lab terms, what is the definition of a profile? - correct answer. Several tests ordered & performed together as one. By whom are arterial blood gas specimens usually collected by? - correct answer. respiratory therapists What test would one use when testing for a blood borne bacterial infection? - correct answer. blood culture bottles What specimen would be used to test for recreational drugs? - correct answer. urine If a test is ordered STAT when should you do it? - correct answer. right away What unit would a heart attack victim be sent to? - correct answer. Cardiac ICU What would you do if a parent came to the lab and requested a copy of their child's lab results? - correct answer. Inform them that ordering physician will discuss the results with them. Needle gauge choice is based on? - correct answer. size and strength of vein Describe the difference between serum and plasma? - correct answer. Serum is the fluid component of clotted blood. Plasma is the fluid component of unclotted blood. Into which tube would a PT/PTT be collected? - correct answer. Light Blue What does a Prothrombin Time (PT) test measure? - correct answer. How long it takes blood to clot. Used to check for bleeding problems, and whether clotting medicine is working and at correct dosage. Also called INR test. What does a Partial Thromboplastin Time (PTT) test measure? - correct answer. Measures how long it takes for blood to clot. Can be used to check for bleeding problems. Blood clotting factors are used for coagulation. Which bleeding test measures the extrinsic coagulation pathway by calculating the prothrombin ratio along with the international normalized ratio. Also looks at some clotting factors and determines warfarin levels and vitamin K position. - correct answer. Prothrombin Time (PT) Which bleeding test measures the intrinsic coagulation pathway and the common coagulation pathway? Also measures heparin level in the body, just in case a patient is on anti-coagulation therapy. Looks at some clotting factors. - correct answer. Partial Thromboplastin Time (PTT) Summarize difference between PT and PTT regarding tissue factor. - correct answer. PTT is called partial because of the absence of the tissue factor. PT is time takes for plasma to clot after the tissue factor is added. What are some of the things that clotting time can be affected by? - correct answer. Blood thinners, low levels of clotting factors, change in activity of clotting factors, absence of clotting factors, inhibitors, increase in use of clotting factors. Why would a physician order a PTT? - correct answer. *Find a cause of abnormal bleeding/bruising *Check for low levels of clotting factors *Check for conditions that cause clotting problems *Check if it is safe to do a procedure or surgery *Check how well the liver is working When would you order a activated partial thromboplastin time (APTT) test? - correct answer. After you take blood-thinners to see if the right dosage of medication is being used. Why would a physician order a PT? - correct answer. *Find a cause for abnormal bleeding/bruising *Check the effects of warfarin/coumadin *Check for low levels of clotting factors *Check for low levels of vitamin K *Check liver function *Check to see if body is using up clotting factors too quickly, and preventing clotting Why do evac tubes have expiration dates? - correct answer. The vacuum gets weaker as the rubber tube stopper ages. What is the antiocoagulant in a a grey top? - correct answer. Potassium Oxalate What is the name of immediate post meal blood test? - correct answer. Post Prandial When performing a venipuncture, the max time the tourniquet can be applied is? - correct answer. 1 minute What differentiates veins from arteries? - correct answer. Veins have valves to prevent backflow An erythrocytes lives an average life of how long? - correct answer. 120 days What type of urine specimen for a microbiology urine culture? - correct answer. mid-stream specimen What is an accession number? - correct answer. A unique number given to each new specimen, correlating it with tests ordered. Most important first step if stuck with contaminated needle? - correct answer. Report the incident to supervisor Petechia are tiny hemorrhages, visible as red dots. What flawed step in venipuncture procedure is this caused by? - correct answer. Tourniquet being left on for too long Sodium heparin can be found in which tubes? - correct answer. Green Complete Blood Count (CBC) and Erythrocyte Sedimentation Rate (ESR) go in which tube? - correct answer. Lavender Tube A CBC test your overall health and detects a wide range of disorders, including anemia, infection and leukemia. What components of the blood does a CBC measure? - correct answer. *Red blood cells, which carry oxygen *White blood cells, which fight infection *Hemoglobin, the oxygen-carrying protein in red blood cells *Hematocrit, the proportion of red blood cells to the fluid component, or plasma, in your blood *Platelets, which help with blood clotting What does an ESR test reveal? How is it measured? - correct answer. An ESR is a blood test that can reveal inflammatory activity in your body. Inflammation can cause the cells to clump together. Because these clumps of cells are denser than individual cells, they settle to the bottom more quickly. The sed rate test measures the distance red blood cells fall in a test tube in one hour. The farther the red blood cells have descended, the greater the inflammatory response of your immune system. What is the most common venipuncture complication? - correct answer. Hematoma, a result from sub-dermal bleeding; translates into "blood tumor" What is the anticoagulant found in a green top tube? - correct answer. sodium heparin What is the purpose of the sodium fluoride in a grey tube? - correct answer. prevent glucose destruction What is cyanosis? - correct answer. a bluish discoloration of the skin resulting from poor circulation or inadequate oxygenation of the blood What is point-of-care testing (POCT) and what are it's benefits? - correct answer. AKA bedside testing, is defined as medical testing at or near the site of patient care. The driving notion behind POCT is to bring the test conveniently and immediately to the patient. This increases the likelihood that the patient, physician, and care team will receive the results quicker. In which department of the lab would a liver profile be performed? - correct answer. chemistry In which department of the lab would a urine culture and sensitivity test be performed? - correct answer. microbiology What are the 2 main categories that the medical lab departments are divided into? - correct answer. anatomic pathology & clinical pathology