1|Page
ASCP MLT BOARD EXAM NEWEST 2025 TEST BANK|
COMPLETE 220 ACTUAL EXAM QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) ALREADY GRADED A+|| BRAND NEW!!
What is the patient's Free Thyroxine Index? - ANSWER - 1.6.
Which of the following is most likely to be ordered in addition to serum
calcium to determine the cause of tetany? - ANSWER - Magnesium.
A 9-month-old boy from Israel has gradually lost the ability to sit up and
develops seizures. He has an increased amount of the phospholipid
called Gm2-ganglioside in his neurons and he lacks the enzyme
hexosaminidase A in his leukocytes. These findings suggest: - ANSWER
- Tay-Sachs disease.
An adult diabetic with renal complications has the following results:
Sodium: 133 mEq/L
BUN: 84 mg/dL
Glucose: 487 mg/dL
Creatinine: 5mg/dL
Based off these results, the calculated serum osmolality is: - ANSWER -
304 mOsm/kg.
pg. 1
,2|Page
The formation of estriol in a pregnant woman is dependent on: -
ANSWER - Fetal and placental function.
Arterial blood collection in a heparinized syringe but exposed to room
air would cause which of the following changes in the specimen? -
ANSWER - pO2: Elevated.
pCO2: Decreased.
pH: Elevated.
A 50-year-old woman who has been receiving busulfan for three years
for CML becomes anemic. Lab tests reveal: Thrombocytopenia, Many
peroxidase-negative blast cells in the peripheral blood, Bone marrow
hypercellular in blast transformation, Markedly increased bone marrow
TdT. Which complication is this patient most likely experiencing? -
ANSWER - Acute lymphocytic leukemia.
Which is the most common cause of an abnormality in hemostasis? -
ANSWER - Quantitative abnormality of platelets.
A leukocyte count and differential on a 40-year-old Caucasian male
reveals...this data represents: - ANSWER - Absolute neutropenia.
A patient has a normal PTT and a prolonged APTT using a kaolin
activator. The APTT corrects to normal when the incubation is increased.
These results suggest the patient has: - ANSWER - Fletcher factor
deficiency (prekallikrein.)
pg. 2
,3|Page
Elevation of the TOTAL granulocyte count above 9.0 x 10^3/uL is
termed: - ANSWER - Absolute neutrophilic leukocytosis.
The most appropriate screening test for hemoglobin H is: - ANSWER -
Heat instability test.
PT - 20 sec.
Thrombin time - 13 sec.
APTT - 55 secs.
APTT plus aged serum - Corrected.
APTT plus absorbed plasma - Not corrected.
Circulatory inhibitor - None present.
Which coagulation factor is deficient? - ANSWER - Factor X.
Which laboratory procedure is most helpful in differentiating severe
liver disease accompanying secondary fibrinolysis from disseminated
intravascular coagulation? - ANSWER - Factor VIII activity.
Which laboratory finding is associated with Factor XIII deficiency? -
ANSWER - Clot solubility in a 5M urea solution.
An automated leukocyte count is 22.5 x 10^3/uL. The differential
reveals 200 normoblasts/100 leukocytes. What is the actual leukocyte
count per microliter? - ANSWER - 7,500/uL.
pg. 3
, 4|Page
On Monday, a patient's hemoglobin was 11.3 g/dL and on Tuesday it
measured 11.8 g/dL. The standard deviation of the method used is +/-
0.2 g/dL. What can be concluded about the hemoglobin values given? -
ANSWER - There is no significant change in the patient's hemoglobin
concentration.
Patients suffering from Waldenstrom's macroglobulinemia demonstrate
excessively increased concentrations of: - ANSWER - IgM.
The disappeareance of HBsAG and HbeAg, the persistence of anti-HBc,
the appearance of anti-HBs, and often of anti-Hbe indicate: - ANSWER
- Recovery phase of acute HBV hepatitis.
The stock cultures needed for quality control testing of DEAMINATION
ACTIVITY are: - ANSWER - Proteus mirabilis/Escherichia coli.
What is the most reliable test to differentiate N. lactamica from N.
meningitidis? - ANSWER - Lactose degradation.
An antibiotic used to suppress or kill contaminating fungi in media is: -
ANSWER - Cycloheximide.
Which of the following statements concerning the germ tube test is true?
- ANSWER - C. albicans and C. tropicalis can be used as a positive and
negative control, respectively.
pg. 4
ASCP MLT BOARD EXAM NEWEST 2025 TEST BANK|
COMPLETE 220 ACTUAL EXAM QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) ALREADY GRADED A+|| BRAND NEW!!
What is the patient's Free Thyroxine Index? - ANSWER - 1.6.
Which of the following is most likely to be ordered in addition to serum
calcium to determine the cause of tetany? - ANSWER - Magnesium.
A 9-month-old boy from Israel has gradually lost the ability to sit up and
develops seizures. He has an increased amount of the phospholipid
called Gm2-ganglioside in his neurons and he lacks the enzyme
hexosaminidase A in his leukocytes. These findings suggest: - ANSWER
- Tay-Sachs disease.
An adult diabetic with renal complications has the following results:
Sodium: 133 mEq/L
BUN: 84 mg/dL
Glucose: 487 mg/dL
Creatinine: 5mg/dL
Based off these results, the calculated serum osmolality is: - ANSWER -
304 mOsm/kg.
pg. 1
,2|Page
The formation of estriol in a pregnant woman is dependent on: -
ANSWER - Fetal and placental function.
Arterial blood collection in a heparinized syringe but exposed to room
air would cause which of the following changes in the specimen? -
ANSWER - pO2: Elevated.
pCO2: Decreased.
pH: Elevated.
A 50-year-old woman who has been receiving busulfan for three years
for CML becomes anemic. Lab tests reveal: Thrombocytopenia, Many
peroxidase-negative blast cells in the peripheral blood, Bone marrow
hypercellular in blast transformation, Markedly increased bone marrow
TdT. Which complication is this patient most likely experiencing? -
ANSWER - Acute lymphocytic leukemia.
Which is the most common cause of an abnormality in hemostasis? -
ANSWER - Quantitative abnormality of platelets.
A leukocyte count and differential on a 40-year-old Caucasian male
reveals...this data represents: - ANSWER - Absolute neutropenia.
A patient has a normal PTT and a prolonged APTT using a kaolin
activator. The APTT corrects to normal when the incubation is increased.
These results suggest the patient has: - ANSWER - Fletcher factor
deficiency (prekallikrein.)
pg. 2
,3|Page
Elevation of the TOTAL granulocyte count above 9.0 x 10^3/uL is
termed: - ANSWER - Absolute neutrophilic leukocytosis.
The most appropriate screening test for hemoglobin H is: - ANSWER -
Heat instability test.
PT - 20 sec.
Thrombin time - 13 sec.
APTT - 55 secs.
APTT plus aged serum - Corrected.
APTT plus absorbed plasma - Not corrected.
Circulatory inhibitor - None present.
Which coagulation factor is deficient? - ANSWER - Factor X.
Which laboratory procedure is most helpful in differentiating severe
liver disease accompanying secondary fibrinolysis from disseminated
intravascular coagulation? - ANSWER - Factor VIII activity.
Which laboratory finding is associated with Factor XIII deficiency? -
ANSWER - Clot solubility in a 5M urea solution.
An automated leukocyte count is 22.5 x 10^3/uL. The differential
reveals 200 normoblasts/100 leukocytes. What is the actual leukocyte
count per microliter? - ANSWER - 7,500/uL.
pg. 3
, 4|Page
On Monday, a patient's hemoglobin was 11.3 g/dL and on Tuesday it
measured 11.8 g/dL. The standard deviation of the method used is +/-
0.2 g/dL. What can be concluded about the hemoglobin values given? -
ANSWER - There is no significant change in the patient's hemoglobin
concentration.
Patients suffering from Waldenstrom's macroglobulinemia demonstrate
excessively increased concentrations of: - ANSWER - IgM.
The disappeareance of HBsAG and HbeAg, the persistence of anti-HBc,
the appearance of anti-HBs, and often of anti-Hbe indicate: - ANSWER
- Recovery phase of acute HBV hepatitis.
The stock cultures needed for quality control testing of DEAMINATION
ACTIVITY are: - ANSWER - Proteus mirabilis/Escherichia coli.
What is the most reliable test to differentiate N. lactamica from N.
meningitidis? - ANSWER - Lactose degradation.
An antibiotic used to suppress or kill contaminating fungi in media is: -
ANSWER - Cycloheximide.
Which of the following statements concerning the germ tube test is true?
- ANSWER - C. albicans and C. tropicalis can be used as a positive and
negative control, respectively.
pg. 4
