ASCP MLT CHEMISTRY EXAM LATEST ACTUAL EXAM QUESTIONS AND CORRECT
DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A
What is serum? - (answer)Serum is the fluid from blood without clotting factors
What is plasma? - (answer)Liquid portion of blood with clotting factors
Serum/Plasma which one is used for most chemistry tests - (answer)Serum is used for most chemistry
tests
_____ top tube is used for most chemistry tests - (answer)Red top tube is used for most chemistry tests
Name four anticoagulants used in tubes for plasma - (answer)Oxalate, EDTA, Citrate, and Heparin
What anticoagulant is the first choice for coagulation studies? - (answer)heparin is first choice
Heparin on ice is used for what three tests? - (answer)Heparin (on ice): Ammonia, Blood gasses, and
lactic acid.
What preservative is used in a grey top tube? - (answer)Sodium fluoride is used as a preservative in a
grey top tube.
What does sodium fluoride do? - (answer)Sodium fluoride is used to preserve glucose, aka slow
glycolysis
T/F you can use a grey top for a BUN - (answer)FALSE the sodium fluoride in the grey tube will inhibit
urease
T/F you cant use a grey top for a BUN - (answer)TRUE the sodium fluoride would inhibit urease
, ASCP MLT CHEMISTRY EXAM LATEST ACTUAL EXAM QUESTIONS AND CORRECT
DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A
What anticoagulant contains Na+ and K+ - (answer)EDTA contains Na+ and K+
T/F you can test Na+ and K+ in a tube with EDTA - (answer)FALSE EDTA contains Na+ and K+
T/F you can't test Na+ and K+ in a tube with EDTA - (answer)TRUE EDTA contains Na+ and K+
T/F you cant test Ca++ in a tube with EDTA - (answer)TRUE because calcium is chelated in EDTA (will
cause a false lower result)
T/F you can test Ca++ in a tube with EDTA - (answer)FALSE because calcium is chelated in EDTA (will
cause a false lower result)
Hemolysis: help KLAMP the leak means what? - (answer)When hemolysis occurs the following lab results
will elevate...
K- K+ (Potassium)
L- LD (Lactate Dehydrogenase)
A- ALD & ACP (Aldolase & Acid Phosphatase)
M- Mg++ (magnesium)
P- PO4 (Phosphate)
What happens to hemoglobin levels when a sample is hemolyzed? - (answer)Hemoglobin levels will
elevate during hemolysis
What is the end product of carbohydrates? - (answer)Glucose is the end product of carbohydrates
DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A
What is serum? - (answer)Serum is the fluid from blood without clotting factors
What is plasma? - (answer)Liquid portion of blood with clotting factors
Serum/Plasma which one is used for most chemistry tests - (answer)Serum is used for most chemistry
tests
_____ top tube is used for most chemistry tests - (answer)Red top tube is used for most chemistry tests
Name four anticoagulants used in tubes for plasma - (answer)Oxalate, EDTA, Citrate, and Heparin
What anticoagulant is the first choice for coagulation studies? - (answer)heparin is first choice
Heparin on ice is used for what three tests? - (answer)Heparin (on ice): Ammonia, Blood gasses, and
lactic acid.
What preservative is used in a grey top tube? - (answer)Sodium fluoride is used as a preservative in a
grey top tube.
What does sodium fluoride do? - (answer)Sodium fluoride is used to preserve glucose, aka slow
glycolysis
T/F you can use a grey top for a BUN - (answer)FALSE the sodium fluoride in the grey tube will inhibit
urease
T/F you cant use a grey top for a BUN - (answer)TRUE the sodium fluoride would inhibit urease
, ASCP MLT CHEMISTRY EXAM LATEST ACTUAL EXAM QUESTIONS AND CORRECT
DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A
What anticoagulant contains Na+ and K+ - (answer)EDTA contains Na+ and K+
T/F you can test Na+ and K+ in a tube with EDTA - (answer)FALSE EDTA contains Na+ and K+
T/F you can't test Na+ and K+ in a tube with EDTA - (answer)TRUE EDTA contains Na+ and K+
T/F you cant test Ca++ in a tube with EDTA - (answer)TRUE because calcium is chelated in EDTA (will
cause a false lower result)
T/F you can test Ca++ in a tube with EDTA - (answer)FALSE because calcium is chelated in EDTA (will
cause a false lower result)
Hemolysis: help KLAMP the leak means what? - (answer)When hemolysis occurs the following lab results
will elevate...
K- K+ (Potassium)
L- LD (Lactate Dehydrogenase)
A- ALD & ACP (Aldolase & Acid Phosphatase)
M- Mg++ (magnesium)
P- PO4 (Phosphate)
What happens to hemoglobin levels when a sample is hemolyzed? - (answer)Hemoglobin levels will
elevate during hemolysis
What is the end product of carbohydrates? - (answer)Glucose is the end product of carbohydrates
