Sunday, May 20, 2012

Lab Practical REVIEW


1.  Most efficient & economical ways of preventing a nosocomial infection is by:            ______________________
2.  How do you for patient identification?_______________________________________________________ 
________________________________________________________________________________________
3.  Describe correct procedure for washing hands before and after patient contact?






4.  What is used for routine cleaning of the venipunctures site. ________________________________
5.  Describe  proper position of the bevel of the needle once it is inserted into the vein is:
___________________________________________________________ 6.  List reason that may cause hemolysis of the specimen during collection of the  sample.
7.  List the steps for the performance of a routine venipunctures in the proper order?







 8.  List the correct order of the draw filling vacuum collection tubes?
9.  The most likely reason blood is NOT obtained from a clean stick on an elderly patient with 
                 apparently good veins is due to the: ________________________________________________
10.  Chemistry, hematology, and coagulation tests re-ordered on a three year old child with
                  good veins.  What is the best choice of equipment?  ___________________________________
11.  When drawing a multiple sample blood specimen, which of the following tests should be
                   collected first? blood culture, CBC, Electrolytes and glucose, coagulation studies
12.  Which analytes may be falsely increased due to the tourniquet being left  on too long?
________________________________________________________________

13.  During the performance of a venipunctures you accidentally stick yourself with the used     
                  needle.  What should bee done first? _______________________________________________
14.  MATCHING:
A.    Fills with blood
B.    Needle
C.    Holder
D.   Rubber sleeve
_____  Secures double-pointed needle
_____  Covers needle in between filling tubes
_____  Tube sealed with partial vacuum
_____  Used to collect multiple tubes of blood without blood leakage
  
15.  What color tube is used for the following tests. Blue

No additive   __________       Heparin   _______________               Sodium citrate  ___________
EDTA  __________                Sodium fluoride___________ 
Blood glucose which will be tested in 3 hours  _______________
STAT chemistries  _______________________                     Prothrombin time  ____________
Complete blood count  _______________      Blood typing (serum)  ________________
16.  How do  additives in blood collection tubes prevent blood from clotting?

__________________________________________________
17.  Which of the blood samples must be chilled immediately after collection?
__________________________________________________

18.  What is the FIRST vein of choice for the routine venipuncture?  ______________________

19.  Which of the tube stopper colors will result in a sample which contains clotting factors left in the fluid portion of the blood?  ___________________________________
20.  The microhematocrit tube is spun down.  When the tube is inspected there are three
                   layers that form.  What is contained in the “buffy coat” layer?  ______________________
21.  List potential sites for microcollection of blood samples?  ________________________
________________________________________________________________________________
22.  List the proper method for warming a heel prior to heel puncture is:











23.  The lancet used to perform capillary puncture on an infant’s heel must not exceed:  ____________
24.  Capillary punctures performed on the heel are generally performed to collect blood onto
                   filter paper for the Newborn Screening test.  LIST  the following proper 
                   procedure to follow for collection of the sample?
25.  If the alcohol is not allowed to dry before you collect blood from a capillary puncture, which
        of the following will occur?