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chapter 8
Venipuncture Procedures
Question | Answer |
---|---|
a vein that has patency | has bounce and resilience to it |
which type of test requisition has been shown to decrease laboratory errors | bar coded |
the time is 07:50 hours. you have received the following test requests on different patients. which test specimen should you collect first? | cortisol ordered for 8:00 |
a student ask the patient for permission to draw a blood specimen. which of the following aswers implies that the student does not really have permission? | yes, but I would rather not |
you have a request to collect a stat specimen. a doctor is with the patient when you arrive. what should you do? | excuse yourself and politely ask the doctor if you can do the draw |
you are in the process of identifying an inpatient, the patient's verbal confirmation of name and date of birth matches the requisition but the medical record number is different. what should you do? | do not collect the specimen untill the problem has beed adressed and resolved |
you are a phlebotomy student on rotation at an outpatient site. a patient who seems extremely apprehensive about having her blood drawn tells you that she is afraid of needles. what should you do? | ask an experienced phlebotomist to perform the draw for you |
there are two patients in a room. one of them has a latex allergy. you have a request to collect a blood specimen on the other one, How should you proceed? | do not take anything that contains lates into the room |
the best way to judge patency of a vein is to | roll your finger from side to side while pressing against it |
which of the following statements describes proper venipuncture technique? | fill additive tubes until the vacume is exhausted |
what is the most critical error a phlebotominst can make? | misidentifying a patient specimen |
which needle can be removed from the blood collection unit before disposal? | syringe needle |
when should additive tubes be mixed? | as soon as they are removed from the holder |
you have made two unsuccessful attempts while trying to collect an ASAP specimen on an inpatient. the specimen cannot be collected by skin puncture. what should you do next? | ask another phlebotomist to collect it |
the proper way to transfer blood from a syringe into an ETS tube is to | safely remove needle and attached a transfer device to fill the tube |
how can you tell that you are in a vein when drawing blood with a butterfly? | blood usually appears in the tubbing |
you are performing a venipuncture on a difficult vein using a butterfly. you have an SST and a light-blue-top tube to collect. how do you proceed? | draw a clear tube, fill and mix the light blue top, then fill and mix the SST |
interventions to ease pain in collecting blood specimens from infants include | EMLA |
skin changes in elderly patients can make it harder to | anchor veins |
which type of disease is most likely to cause tremors? | parkinsons |
NPO means | nothing by mouth |
the following test orders for different patients have been received at the same time. which test would you collect first | stat glucose in er |
a member of the clergy is with the patient when you arrive to collect a routine specimen. what should you do? | come back after the clergy person has gone |
you are asked to collect a blood specimen from an inpatient. the patient is not wearing a Id band. what is the best thing to do | ask the patients nurse to put an id band on the patient before you draw the specimen |
if a patient adamantly refuses to have blood drawn, you should | notify the patients nurse or physician |
an inpatient is eating breakfast when you arrive to collect a fasting glucose. what is the best thing to do | consult with the patient's nurse to see if the specimen should be collected |
after cleaning the venipuncture with alcohol, the phlebotomist should | allow the alcohol to dry completely |
the tourniquet should be released | as soon as possible, before the needle is removed from the arm, within 1 min of its application |
what is the recommended angle of needle insertion whan performing venipuncture on an arm vein and on a hand vein, respectively | 30degrees or less, 10 degrees or les |
after inserting a butterly needle, the phlebotomist must "seat" it, meaning | slightly thread it within the lumen of the vein |
blood collection tubes are labeled | immediately after specimen collection |
what is the best approach to use on an 8yr who needs to have blood drawn | explain the draw in simple terms and ask for the childs cooperation |
which type of patient is most likely to have an arteriovenous fistula or graft | dialysis |
which of the following is proper procedure when dealing with an elderly patient | make certain to hold adequate pressure after the draw until bleeding stops |
where is the tourniquet applied when drawing a hand vein | proximal to the wrist bone |
specimen hemolysis can result from | using a large volume tube with a 23g needle |
which of the following is the least effective way to immobilize a pediatric patient before a blood draw | allowing the child to sit with one arm bracing the other |
critiria used to decide which needle guage to use for venipuncture include | the size and condition of the vein |
which of the following is proper procedure when dealing with an elderly adult patient | refrain from drawing older adult patients if you have a cold, or else wear a mask |
the process of collecting or "drawing" blood from a vein | venipuncture |
the form on which test orders are entered is called a | requisition |
physician's name, pt first and last name, pt medical record #, type of test to be performed and dob should all be included on a | requisition |
immediately | STAT (first) |
as soon as posible | ASAP (second or third) |
evacuated tube system | ETS |
a eutectic (easily melted) mixture of local anesthetics | EMLA |
Stats that typically have priority over other stats | ER |