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A hematoma may be caused by all the following, except: ✔✔Holding pressure on the venipuncture site with the arm straight
The steps to be followed in response to discovering a fire may be remembered by the acronym: ✔✔RACE
When blood leaves the right ventricle, it enters the: ✔✔Right and left pulmonary arteries
A blood sample collected in a tube without anticoagulant would contain: ✔✔Serum
A STAT specimen: ✔✔Must be collected and tested immediately
When collecting blood from an infant or neonate, the best site for a skin puncture is: ✔✔The medial or lateral section of the foot
What g value and minimum time are used in a centrifuge to effect good separation of clotted blood from serum? ✔✔1000 rpm for 10 minutes
Obese patients may be difficult to draw because their veins can be more difficult to palpate. Excessive probing by the phlebotomist may: ✔✔Release some tissue clotting factors
What percentage of water in a human body is found within the cells? ✔✔60%
What is the guideline for the use of gloves when performing a skin puncture? ✔✔Gloves must be changed between patients
When preparing a site for venipuncture, which of the following is not mandated? ✔✔Always start with using iodine
Which of the following is true of veins? ✔✔All veins contain deoxygenated blood
Which of the following is not true of arteries? ✔✔Arteries have a pulse
Which of the following is true of plasma? ✔✔Plasma contains fibrinogen
Concerning the collection of a timed specimen, which of the following is true? ✔✔If a timed glucose is collected too early; the result could be falsely evaluated
If a phlebotomist notices a patient eating during a glucose tolerance test, the correct procedure would be to: ✔✔Contact the physician to determine if the test should be continued
Which of the following must be kept at 37°C after collection? ✔✔Cold agglutinins and cyrofibrinogen
Centrifuges should be checked on a regular maintenance schedule using a tachometer that registers: ✔✔Revolutions per minute (RPM)
Which of the following is not an acceptable form of identification, with the exception of a patient with severe burns or a patient in isolation? ✔✔Patient name card on the bed or door
When filling glass capillary tubes, follow the OSHA recommendation: ✔✔To use glass capillary tubes wrapped in puncture-resistant film
Which of the following is not true of pediatric heelsticks? ✔✔The best way to assure a good blood flow with less injury to the tissue is to perform the heelstick at the same site as a previous heelstick
Which artery should be used when performing an arterial puncture? ✔✔Radial
A blood specimen for the following test need not be transported in a mixture of ice and water? ✔✔Amylase
Which of the following is not standard equipment when performing an arterial puncture for blood gases? ✔✔Tourniquet
If no other site is available it is permissible to collect from an arm with an IV line provided that: ✔✔The sample is collected from below the IV line
When collecting blood for trace metal analysis, which of the following must be observed: ✔✔Avoid the use of an anticoagulant that binds metal
A hemolyzed blood sample would have the greatest impact and cause elevated levels of the following: ✔✔Potassium, iron, magnesium
When collecting blood from a patient in reverse isolation, which of the following is true? ✔✔Articles removed from the room need not be double bagged
A patient scheduled for a 3-hour glucose tolerance test wants to know when the final specimen will be collected. The fasting specimen was collected at 7:00 AM, and the patient finished drinking the glucose solution at 7:10 AM. The final specimen will be collected at: ✔✔10:10 AM
Which of the following is mandated in preparation of a patient for a glucose tolerance test? ✔✔Not fasting for more than 14-hours before the test
The action of sodium polyanethole sulfate (SPS) as an additive to blood culture containers includes: ✔✔Complement inhibition
The best marker to insure the completeness of a 24-hour urine collection, would be: ✔✔4- aminobenzoic acid level
Which of the following anticoagulants does not bind calcium? ✔✔Heparin
Which of the following antiglycolytic agents is preferred because it does not interfere with urease and allows the same blood sample to be tested for blood urea nitrogen (BUN) as well as glucose? ✔✔Sodium iodoacetate
From the standpoint of patient safety, which is the most dangerous practice? ✔✔Prelabeling the vacutainer tubes before collection
Which of the following additives is a true anticoagulant? ✔✔Sodium citrate
When preparing a patient's arm for a blood culture collection: ✔✔Use iodine first only if the patient is not allergic to it
Which of the following is true of capillary punctures done on the fingertips? ✔✔Insert the lancet perpendicular to the fingerprint
