Chapter 10
What does the term “calcaneus” mean?
Heel bone
Which one of the following tests could be collected using a tube other than a trace element–free tube?
Sodium
True or False? Place tubes of equal size and volume next to one another for balance. Explain your answer.
False. Place tubes of equal size and volume opposite one another for balance.
inadequate supply of blood/oxygen to organ/tissues
Ischemia
H & H
LAV
What is the Clinical and Laboratory Standards Institute (CLSI) recommended maximum depth of heel puncture?
2.0 mm
When collecting a blood culture specimen directly from a butterfly into blood culture bottles, which should be filled first?
Aerobic
Which organization develops standards for specimen handling and processing?
CLSI
complete blood count (CBC), RBC’s, WBC’s, PLT's
Blood profile
LEAD
Royal Blue/Tan
Why are EDTA specimens obtained before other specimens when collected by skin puncture?
To minimize effects of platelet clumping
Of the following tests, which is MOST likely to result in fatal consequences if the patient is misidentified? Blood cultures, Drug screen, Postprandial glucose or Type and crossmatch
Type and crossmatch
Which of these is a source of preanalytical error that occurs before specimen collection?
Dehydrated patient
plasma protein that forms fibrin important in the clotting process
Fibrinogen
HIV
SST
Capillary puncture blood most closely resembles
arterial blood.
When performing a GTT, the timing should begin when?
as soon as the patient finishes the drink.
What type of specimens must be processed before routine specimens? STAT, ASAP, Timed
All of the options are correct.
buildup of fatty plaque along the walls of a blood vessel
Atherosclerosis
PSA
SST
True or False: If the alcohol is still wet when a capillary puncture is made it can cause hemolysis of the specimen, lead to errors in the testing process and prevent round drops from forming.
True
An autologous blood transfusion is a transfusion of blood...
A. directly from the donor to the patient. B. donated by the patient for the patient. C. donated by a compatible relative. D. given by an anonymous donor.
B. donated by the patient for the patient.
Which of the following specimens are least likely to require special handling? Bilirubin and serum folate, Cholesterol and uric acid, Gastrin and lactic acid, Homocysteine and renin
Cholesterol and uric acid
round shaped bacteria that form in pairs or twisted chains
Streptococci
DIGOXIN