Week 4 Flashcards
(31 cards)
Which artery carries deoxygenated blood from the HEART to the LUNGS?
Pulmonary
Which Leukocyte produces heparin and histamine?
Basophil
Where are hemocytoblasts found?
Bone Marrow
Which blood group is considered the universal donor?
O
Phagocytosis
“cell eating”
What are appropriate sites for capillary blood collection?
Finger tip, earlobe, and heel
Which cells play a vital role in internal respiration?
Erythrocytes
What is the longest time a tourniquet should remain on a patients arm?
1 minute
Which device might be used to collect blood from fragile veins?
A butterfly needle
What does a light-blue stopper collection tube contain?
Sodium citrate
Universal Precautions in phlebotomy includes what?
Washing your hands and wearing examination gloves
What is the maximum amount of times you should attempt to obtain blood from a patient
Two times
When are postprandial glucose levels measured?
After eating
What part of a blood smear should be used to perform the differential blood cell count?
The feathered edges of the smear
What needle gauge is appropriate for performing a venipuncture using the syringe method?
20-23g
A blood sample is obtained from a patient and the plasma is pink to red in color. What is the most likely cause?
Hemolysis
Which additive should be used when processing a blood culture?
Sodium polyanetholesulfonate
Fasting specimens are preferred for what test?
Triglycerides
What is the most appropriate site to perform a puncture to obtain a capillary blood specimen in infants?
Heel
Which study requires a blood specimen be collected in a tube containing anticoagulant?
CBC
Which serum level is most characteristic of renal dysfunction?
Creatinine
What is the most appropriate method of processing a specimen in an additive tube?
Invert the tube slowly, several times
What is the quality control log?
Shows when the testing equipment was last calibrated
Which stain is specific to blood?
Wrights
