chapter 9- venipuncture

1. 1when is a phlebotomist allowed to preform a venipuncture on an ankle vein?

   1. Anever
   2. Bwhen the patient had IVs in both arms
   3. Cduring an emergency
   4. Dwhen all other options have been exhausted and the physician has given approval
2. 2the most important step in preforming a venipuncture is

   1. Aremoving the tourniquet before taking the needle out
   2. Bdrawing the correct amount of blood
   3. Cinserting the needle in the vein properly
   4. Didentifying the patient
3. 3the vein most frequently used for venipuncture is the

   1. Acephalic vein
   2. Bdorsal arch vein
   3. Cmedian cubital vein
   4. Dsaphenous vein
4. 4a blood specimen in which the red blood cells are destroyed or broken apart is said to be

   1. Aarterial
   2. Bhemolyzed
   3. Cclotting
   4. Dhemoconcentrated
5. 5when a patient develops syncope during venipuncture, the phlebotomist should first

   1. Alower the patients head
   2. Bremove the tourniquet and needle and call for help
   3. Ccomplete the venipuncture as quickly as possible
   4. Dapply a ammonia inhalant
6. 6which action is appropriate when cleaning the puncture site?

   1. Ablow on the applied alcohol to hasten drying
   2. Bdo not allow the alcohol to dry prior to puncture
   3. Crub the alcohol pad using back-and-forth friction
   4. Duse 70% isopropanol on the site before and after puncture
7. 7which part of a butterfly needle set should be disposed of in a sharps container

   1. Athe needle
   2. Bthe needle and tubing
   3. Cthe entire butterfly needle set
   4. Dthe needle and safety device
8. 8the angle at which you enter the vein should be

   1. Abevel up at 15- to 30- degree angle
   2. Bbevel up 45- to 60- degree angle
   3. Cbevel down at a 15- to 30- degree
   4. Dbevel down at a 45- to 60- degree
9. 9why is a butterfly needle set used only when a standard venipuncture cannot be preformed?

   1. Abutterfly needle sets have a tendency to cause veins to collapse
   2. Busing a butterfly needle set results in more accidental needlesticks
   3. Cbutterfly needle sets cannot be used with patients who are shaking or tremors
   4. Dsafety devices cannot be used with butterfly needle sets.
10. 10advancing the stopper of a collection tube past the mark or ridge on the adapter during equipment setup will

    1. Acause hemolysis in the specimen collected
    2. Bhelp ensure that the evacuated tube is working properly
    3. Cmake the venipuncture less painful for the patient
    4. Dcause a loss of the vacuum in the tube

11. 11which of following laboratory tests is severely affected by hemolyzed blood?

    1. Amagnesium (Mg)
    2. Bcalcium (Ca)
    3. Cpotassium (K)
    4. Dphosphorus (P)
12. 12when using a blood transfer device to transfer blood from a syringe into evacuated tubes, what is the first thing you should do?

    1. Amake sure the safety mechanism is engaged
    2. Bremove the needle from syringe
    3. Cattach the blood transfer device to syringe
    4. Dinsert the evacuated blood collection tube into the transfer device
13. 13another phlebotomist tells you that the patient you are about to draw tends to develop hematomas very easily. this means that

    1. Athe area around the tourniquets will show small, red spots
    2. Bthe venipuncture site may swell and fill with blood
    3. Cthe patient will faint and should be lying down
    4. Dyou should not apply a bandage because the patient has allergies
14. 14which veins are appropriate for routine venipuncture? (choose all that apply)

    1. Acephalic vein
    2. Bdorsal arch vein
    3. Cmedian cubital vein
    4. Dmetacarpal plexus vein
15. 15which action is appropriate when cleaning the puncture site

    1. Aclean the site with antiseptic, moving back and forth over site
    2. Bstart at the top of the puncture site and wipe upward
    3. Cstart at the bottom of the puncture site and wipe upward
    4. Drub the alcohol pad in concentric circles from inside out
16. 16which veins may a phlebotomist access during difficult venipuncture procedures

    1. Aankle veins
    2. Bdorsal arch vein
    3. Cfemoral vein
    4. Dmetacarpal plexus vein
17. 17you are informed that a specimen you delivered to the laboratory has to be re-collected due to hemolysis. what might have caused this specimen to hemolyze

    1. Anot waiting for the alcohol to dry
    2. Bleaving the tourniquet on too long
    3. Cvigorously mixing the specimen
    4. Dremoving the tourniquet while the tubes were filling
18. 18which of the following is another name for butterfly needle set?

    1. Aevacuated tube set
    2. Bpediatric set
    3. Cblood transfer device
    4. Dwinged infusion set
19. 19reflux during a venipuncture procedure is a condition in which

    1. Athe patient is experiencing heartburn
    2. Bthe patient is jerking his or her arm
    3. Cthe tube additive is being pulled into the patients vein
    4. Dthe needle is slipping out of the vein
20. 20during a venipuncture, the blood stops flowing into the tube. you change tubes, and blood flows into the second tube, but then it stops again before the tube is filled. what may be causing this to happen? (choose all that apply)

    1. Athe tubes are expired and have partially lost vacuum
    2. Bthe vein collapses and expands when the tube is removed
    3. Cthe tube selected is a pediatric draw tube and fills only part of the way
    4. Dthe needle is too far into the vein

Descrição

Quiz sobre chapter 9- venipuncture , criado por Bianka Sanchez em 08-04-2026.

Autor

Bianka Sanchez

Idioma

English

Visualizações

9

Avaliação

Ainda sem avaliações

Avalie este quiz

Avalie este quiz

Mais sobre Venipuncture and Blood Collection