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Phlebotomy Midterm

CALRegional Phlebotomy Midterm Review

QuestionAnswer
According to standard first aid procedures, which action controls severe external bleeding? applying direct pressure
Which process should be followed for the HBV vaccination? a dose of vaccine, another 1 month later, and a final dose 6 months later
Which phrase describes the purpose of "protective" isolation? protect susceptible patients from outside contamination
Which is another term for the OSHA Hazard Communication Standard (HCS)? Right-to-know Law
What is the proper order for putting on personal protective equipment (PPE)? gown first, then mask, gloves last
When should the hepatitis B vaccination be available to employees assigned to duties with occupational exposure risk? within 10 working days of initial assignment
What is the first thing the phlebotomist should do in the event of an accidental needlestick? decontaminate the site and report the incident to an immediate supervisor
Which is an example of a nosocomial infection? A catheter site of a patient in ICU becomes infected
Which is an example of a means of transmission that differs from parental transmission? drinking water from a contaminated glass
In what instance might a patient be placed in protective isolation? the patient has severe burns
Which is an example of a work practice control that reduces risk of exposure to bloodborne pathogens? hand decontamination
Which type of contact infection transmission involves transfer of an infective microbe by cough or sneeze? droplet
When can occupational exposure to bloodborne pathogens occur while the healthcare worker is performing work duties? blood comes in contact with a cut
TRUE OR FALSE: Applying lip-balm in the lab is acceptable when an employee has chapped lips. false
The function of the left ventricle is to deliver... oxygenated blood to the aorta.
The receiving chambers of the heart are the... atria.
The relaxing phase of the cardiac cycle is called... diastole.
Which of the following represents the proper direction of blood flow? from arterioles to capillaries to venules
A blood clot circulating in the bloodstream is called a/an embolus
Which blood cell has the ability to pass through the blood vessel walls? leukocyte
How can you visually tell serum from plasma? you cannot visually tell them apart.
Hemostasis refers to... the stoppage of bleeding.
Which of the following veins is not an antecubital vein? femoral
Which test must be performed on whole blood? CBC
A major difference between arteries and veins is that most veins... have one-way valves.
Which is the best tube for collecting an ethanol specimen? Sodium Fluoride
Which needle gauge has the largest lumen? 18
The tests performed in the following department are typically collected in a tube with a light blue stopper. coagulation
A tube with a green stopper normally contains... heparin.
The purpose of an antiglycolytic agent is to... preserve glucose.
The solution normally used to clean the site before routine venipuncture is... 70% isopropanol.
When latex or vinyl strap tourniquets become soiled with blood, it is best to... throw them away
What is the most important factor in choosing which gauge needle to use for venipuncture? size and condition of the vein
Which additive is usually present in a tube with a lavender stopper? EDTA
Glass particles present in serum separator tubes enhance clotting.
The slanted tip of the needle that enters the vein is called the bevel
According to CLSI standards, which tube is filled last when using a syringe? EDTA
TRUE OR FALSE: EDTA is the most common source of carryover problems true
TRUE OR FALSE: The 21-gauge multi-sample needle is considered the standard needle for routine venipuncture. true
TRUE OR FALSE: In a routine ETS venipuncture, the red tube should be drawn before the green tube. true
Draw a specimen from a patient by the name of John Doe, Which of the following is an acceptable way to confirm identity Match the ID band and requisition with his verbal statement of ID
These tests are due at the same time on different patients. There is only one phlebotomist which test is collected first STAT electrolytes in the ER
Doing this during the vein selection process is bad for the specimen... allowing the patient to pump his or her fist.
Communicating in this way before obtaining a blood specimen from a child is poor technique. telling the child it won't hurt
The patient is just finishing a big breakfast as the phlebotomist arrives to draw a fasting specimen. What should we do? check with the nurse to see if the specimen should still be collected
What may happen if you mix a specimen too vigorously? hemolysis
Never leave a tourniquet on for more than... 1 min
How can you tell that you are in a vein when using a needle and a syringe? you will normally see blood appear in the hub of the needle.
What is the most critical error a phlebotomist can make? misidentifying a patient specimen
What is the best way for a newly trained phlebotomist to handle a venipuncture on a patient with needle phobia? ask an experienced phlebotomist to do the draw.
What would be the way we identify laboratory specimens from an unconscious, unidentified woman in the emergency room? use a three-part identification band and labels.
A phlebotomist arrives to draw a specimen from an inpatient and the door is closed. What should the phlebotomist do? knock softly, open it slowly, and ask permission to enter.
The patient asks if the specimen about to be drawn is for a diabetes test. How should the question be answered? Say, "It's best to discuss that with the doctor."
Which of the following is the job of a student phlebotomist? letting the patient know that you are a student phlebotomist
What is the purpose of waiting 30 seconds for the alcohol to dry before needle insertion? to let evaporation help destroy microbes, to avoid a stinging sensation, and to prevent hemolysis of the specimen. ((all of the options are correct))
TRUE OR FALSE: When drawing a 4 year old. You restrain him immediately, tell him to be quiet, and say that the procedure will not hurt false
Which instance most closely resembles basal state? A patient who has... just awakened at 0600 after fasting all night
You must draw a protime test from a patient with IVs in both arms. Which of the following is the best thing to do? Draw below an IV.
It is not a good idea to collect a CBC specimen from a screaming infant because the white blood count may be falsely elevated.
You have no choice but to draw a specimen from a site with a hematoma. Where should you obtain the specimen? distal to the hematoma
Prolonged tourniquet application may cause a change in blood composition primarily because of hemoconcentration
What should the phlebotomist do? have another phlebotomist attempt to draw the specimen.
Levels of this analyte can differ by 50% or more between morning and late afternoon. cortisol
Which instance may lead you to suspect that you have accidentally punctured an artery? the blood pulses into the tube
If blood is drawn too quickly from a small vein, the vein will have a tendency to... collapse.
A fistula is a: permanent fusion of an artery and a vein.
When a test requires a fasting specimen, but the serum is __________, it is a clue that the patient was not fasting. lipemic
Tests influenced by diurnal variation are often ordered as ? tests, it's important to collect them close to time ordered timed
TRUE OR FALSE: Peak levels of cortisol occur late in the afternoon. false
TRUE OR FALSE: If the blood is filling the tube very slowly and a hematoma is beginning to form, the needle may not be deep enough. true
TRUE OR FALSE: A patient is complaining of sharp radiating pain from the needle site, the phlebotomist should hurry & finish the draw. false
Why are capillary blood gases less desirable than arterial blood gases (ABGs)? skin puncture blood contains tissue fluid, skin puncture blood is only partly arterial, and the blood is exposed to air during collection. ((all of the options are correct))
What is the Clinical and Laboratory Standards Institute (CLSI) recommended maximum depth of heel puncture? 2.0 mm
Why are EDTA specimens obtained before other specimens when collected by skin puncture? to minimize effects of platelet clumping
Why should a laboratory report form indicate the fact that a specimen has been collected by capillary puncture? because test results can vary depending on the method of collection
Which of the following is the safest area for infant heel puncture? the lateral plantar surface
A capillary puncture should be done rather than a venipuncture in all of the following situations except when a light blue top tube is needed.
The purpose of wiping away the first drop of blood during skin puncture is to eliminate tissue fluid contamination.
Capillary puncture blood most closely resembles arterial blood
What does the term "calcaneus" mean? heel bone
Which micro-collection container would be used to collect a specimen for a CBC? purple top
It is necessary to control depth of lancet insertion during capillary puncture to avoid injuring the heel bone
What is the purpose of warming the site before skin puncture? it increases blood flow up to seven times
TRUE OR FASLE: A phlebotomist should puncture a finger perpendicular to the fingerprint whorls. true
TRUE OR FASLE: A magnet is used to mix a CBG specimen. true
TRUE OR FALSE: If a baby has a huge, fleshy big toe, it is acceptable to collect a bilirubin specimen from it. false
Of the following tests, which is most likely to result in fatal consequences if the patient is misidentified? type and crossmatch
Which test requires strict skin antisepsis procedures before specimen collection? blood cultures
What type of additive is recommended for collecting an ethanol test specimen? sodium fluoride
When performing a GTT, the timing should begin... as soon as the patient finishes the drink.
When collecting a blood culture specimen directly from a butterfly into blood culture bottles, which is filled first? aerobic
Which of the following tests may require special "chain of custody" documentation when collected? drug screen
Identify the condition in which a unit of blood is withdrawn from a patient as treatment. hemochromatosis
Which of the following tubes can be used to collect blood for a type and crossmatch? Pink top EDTA tube
An autologous blood transfusion is a transfusion of blood... donated by the patient for the patient
The most critical aspect of blood culture collection is... skin antisepsis.
This test requires a specimen with a 9:1 ratio of blood to anticoagulant. prothrombin time
The hormone detected in positive urine pregnancy tests is... HCG
A 2-hour postprandial specimen should be drawn... 2 hours after the patient has had a meal
TRUE OR FALSE: Paternity testing is performed to determine the probability that a specific individual fathered a particular child. true
Created by: jasmeend
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