Phlebotomy Exam Questions With Correct Answers Latest Updated 2024/2025 (100% Correct)

A patient may bend their elbow after a venipuncture is performed. - ANSWER false EDTA is a strong _______. Antibody Coagulant Antigen Anti-coagulant - ANSWER anti-coagulant A non-additive serum tube must be drawn ________ any additive tube collection because the blood needs to _______ for the specific test required. - ANSWER before,, coagulation Hitting a nerve during a procedure is an example of: - ANSWER male practice The dermal subcutaneous junction is located ____ mm into the tissue. - ANSWER 1.6 EDTA binds calcium in the blood. - ANSWER true This department examines results of micro-organism growth in specimens so the physician can find out what contagions are present and the proper way to treat the patient. - ANSWER microbiology When using povidone-iodine to cleanse the site for a blood culture, how long should you swab the site for with the first swab? 30 seconds 5 minutes 1 minute 2 minutes - ANSWER 1 minute This is a pump that increases the amount of blood flow through the body. Defibrillator Pulmonary cycle Ventricular Assist Device phlebotomy 2 Exam Questions With Correct Answers Latest 2024/2025 (100% Correct) Peritoneal Port - ANSWER Ventricular assist device Hemoconcentration occurs when - ANSWER the tourniquet is left on too long What are the blood vessels that carry oxygenated blood from the heart to the tissues? - ANSWER arteries A Monovette or Microvette are both _________ - ANSWER lancets Time that plasma/serum exposed cells will affect the concentration and skew many tests. - ANSWER true The decrease in plasma volume of the blood which increases red blood cells and other constituents of the blood is known as ________. - ANSWER hemoconcentration What blood vessels are not used for hemotalogical procedures? - ANSWER arteries When performing a blood culture test, the _______ uses standard vacuum tubes that contain the growth medium. - ANSWER direct draw When performing a blood culture test, the _______ system involves drawing directly into the bottles. syringe x butterfly x direct draw x vacutainer - ANSWER When blood collects under the skin, this is known as ___________. Sclerosed venous reaction Hematoma Hemolysis Venous abrasion x - ANSWER _________ shields blood from the glass of the tube and prevents it from clotting. Sodium citrate x Sodium Fluoride EDTA SST x - ANSWER A collection tube can lose it's vacuum if it stays on the shelf too long. TRUE FALSE - ANSWER false Syringe systems give the phlebotomist: more room for error x an inaccurate interpretation of the strength of the vein x more control over the vacuum no control over the vacuum x - ANSWER The loss of vacuum causes: a blown vein x too much blood loss plastic tubes to become cloudy results to be skewed by an incorrect chemical to blood volume ratio - ANSWER A puncture site should always stop bleeding within ________. 5 minutes 20 minutes 30 seconds 2 minutes - ANSWER If a Heparin specimen is drawn after the Oxalate-Fluoride, cells may rupture and release potassium and plasma which would cause an lowered potassium reading. FALSE TRUE - ANSWER false These anticoagulant tubes offer whole blood and plasma for testing. ST Sodium Fluoride EDTA Sodium citrate - ANSWER Each micro tube (or bullet) holds _____ cc of blood. - ANSWER .2cc If a contagion is passed from one person to another via droplets such as mucus or saliva, this is an example of ________. Direct transmission Indirect Transmission Host Transmission Airborne Transmission - ANSWER Airborne Transmission Expiration dates for tubes are always accurate. FALSE TRUE - ANSWER false Finger sticks should never be performed on a child younger than _________. 6 months 3 months 1 month 2 weeks - ANSWER 6month The veins of obese people tend to be: shallow prone to collapse deep and anchored poorly deep and anchored well - ANSWER deep and anchored well When resting the simplate device on the skin, you should press down firmly enough to dent the skin. TRUE FALSE - ANSWER false If a patient contracts an infection because went from an infected patient directly to them without following proper gloving and hand washing procedures, this is an example of ________. Indirect transmission Direct transmission Host Transmission Airborne Transmission - ANSWER Direct transmission Larger tubes create: - ANSWER a strong vacuum that might be too strong for some patients This is a soluble protein that is present in blood plasma - ANSWER fibrinogen When resting the simplate device on the skin, you should press down firmly enough to dent the skin. - ANSWER false Providing information about the patient's acid-base balance as well as the respiratory system, Arterial Blood Gasses tests are usually pulled from the - ANSWER radial artery of the wrist A tourniquet is used for all of the following specimen collection procedures except: - ANSWER ABGs Syringe systems give the phlebotomist: - ANSWER If the needle is too shallow and not in the vein, you should ________. pull the needle out and get another phlebotomist to try to repeat the procedure slowly move the needle deeper pull it out slightly and redirect cease the procedure and retry with a a non-evacuated collection system - ANSWER This is an anticoagulant generally used in coagulation testing and preparing citrated plasma - ANSWER Sodium Citrate When using povidone-iodine to cleanse the site for a blood culture, how long should you swab the site for with the first swab? 5 minutes 2 minutes 30 seconds 1 minute - ANSWER 2 mint Neonates are ____________ between the age of one to two years between the age of thirteen to eighteen years between the age of three to six years between the age of birth to six weeks - ANSWER To conduct the Allen Test, you should apply pressure to the _____ and ______ arteries axillary, radial brachial, ulnar x ulnar, radial axillary, ulnar - ANSWER Potassium is an additive in the ______ topped tube. ACD Yellow Gray Light blue - ANSWER gray Which of the following won't contribute to excessive bleeding? Heparin Potassium Coumadin Aspirin - ANSWER Selecting the wrong tubes for a test is an example of: Malpractice Indirect harm Negligence Direct harm - ANSWER If the blood begins to froth or bubble during the procedure, that means _________. the needle is within the lumen x the procedure is successful you punctured both vein walls x the stick was too shallow x - ANSWER If a Heparin specimen is drawn after the Oxalate-Fluoride, cells may rupture and release potassium and plasma which would cause an lowered potassium reading. FALSE TRUE - ANSWER false If you're having trouble filling the tube or getting blood flow at all Ease the needle backward as it might have punctured through the other side of the vein Gently move the needle forward to clear the lumen Adjust your angle as the bevel might be against the vein wall All the above - ANSWER all the above