MedCA 2332 Exam 51 Questions with Verified Answers,100% CORRECT

MedCA 2332 Exam 51 Questions with Verified Answers When the blood is removed from the body, the blood clots and the liquid portion is called - CORRECT ANSWER Serum If veins in the arm cannot be used for venipuncture, the alternative veins lie in? - CORRECT ANSWER Dorsal side of hands and wrist The instrument used to speed the removal of serum by spinning the blood is called? - CORRECT ANSWER Centrifuge Before drawing blood (blank) should be put on in front of patient it is a reassuring safety-conscious gesture. - CORRECT ANSWER Clean Gloves The supine position refers to a patient - CORRECT ANSWER laying face up on their back To avoid clotting in the blood collection tube it is important that the blood collected in the (blank) tube be inverted a minimum of 8X - CORRECT ANSWER Purple The blood PH range of the normal body is - CORRECT ANSWER 7.35-7.45 serum should be transported to the lab for testing and separated from blood cells within - CORRECT ANSWER 2 hours liquid makes up (blank) of the total volume of the blood - CORRECT ANSWER 55% a person who has too little hemoglobin or a decreased number of red blood cells is known to be? - CORRECT ANSWER amemic the blood cells begin their formation in - CORRECT ANSWER lymph nodes and bone marrow blood collected in the neonatology department mean the patient is - CORRECT ANSWER a few days old the iron containg pigment of the red blood cells is called? - CORRECT ANSWER hemoglobin once they enter the bloodstream mature red blood cells live for - CORRECT ANSWER aprox 120 days the body contains approx (blank) of blood - CORRECT ANSWER 5 litters the study of nature and disease is called - CORRECT ANSWER pathology a puncture resistant container for disposal of needles is also known as a - CORRECT ANSWER sharps container when drawing blood the vein that is most preferred is the - CORRECT ANSWER median cubital if blood pressure is read as 120/80 what is the systolic pressure - CORRECT ANSWER 120 the systolic pressure is the pressure when the... - CORRECT ANSWER heart is contracted a chemical substance that prevents the blood from clotting is called a - CORRECT ANSWER anticoagulant homeostasis refers to - CORRECT ANSWER steady state condition hand written information can not be - CORRECT ANSWER converted into code symbols interstitial fluid is - CORRECT ANSWER tissue fluid Fragile veins are most likely to be found in which type of patients? - CORRECT ANSWER geriatric After a finger stick is performed, what should the phlebotomist do to the first drop of blood? - CORRECT ANSWER wipe the best angle for spreading a blood smear is by using - CORRECT ANSWER 2 glass slides at a 30 degree angle Skin puncture samples are often used for - CORRECT ANSWER White blood cell are also used for a variety of screening tests. E.g glucise, cholesterol. And other point of care procedures during a skin puncture the cut should be - CORRECT ANSWER across the fingerprint lines blood collected to determine medication levels should be collected - CORRECT ANSWER just prior to the next dose of medication to be given occluded - CORRECT ANSWER obstructed the thumb has a (blank) - CORRECT ANSWER pulse last steps in the phlebotomy procedure is - CORRECT ANSWER making sure the bleeding stoped and thanking the patient the best way to decontaminate hands is - CORRECT ANSWER wash with soap and water alcohol should dry for - CORRECT ANSWER 30-60 seconds during the venipuncture the best angle for inserting the needle into the skin is - CORRECT ANSWER 15-30 degrees During venipuncture the phlebotomist releases - CORRECT ANSWER the tourniquet after the needle is inserted and the blood begins to flow the term butterfly refers to - CORRECT ANSWER a winged infusion set the needle should always be inserted with what side up - CORRECT ANSWER the bevel side up blood and urine specimens for microbiological culture should be transported to the lab quickly to improve - CORRECT ANSWER the likelihood of detecting pathogens normal blood specimens take (blank) amount of time to clot - CORRECT ANSWER 30-60 min Bar codes in phlebotomy applications are not used to denote..... - CORRECT ANSWER patient arm preference the preferred anticoagulant for the collection of whole blood cells for STAT situations in clinical chemistry is - CORRECT ANSWER heparin the smallest number denotes the larger needle gauge - CORRECT ANSWER witch needle is bigger a 16 gauge or a 24 gauge - CORRECT ANSWER 16 a blood cell count requires whole blood cells are collected in the (blank) color toped tube - CORRECT ANSWER purple color coded needles indicates - CORRECT ANSWER gauge size the yellow toped tube has what addetive - CORRECT ANSWER sodium polyanetholesulfonate (SPS) For newborns, the penetration depth of safety lancets for blood collection must be: - CORRECT ANSWER less than 2.0mm If a blood specimen has a separation device, how many times should it be centrifuged? - CORRECT ANSWER 1 time to chill a blood specimen as it is transported what should be used - CORRECT ANSWER ice water