ASCP: MLT Practice Questions and All
Actual Answers 2026-2027 Updated.
Standard precautions apply to all of the following except:
a. Blood
b. Cerebrospinal fluid
c. Semen
d. Concentrated acids - Answer d. Concentrated acids
The most important practice in preventing the spread of disease is:
a. Wearing masks during patient contact
b. Proper hand washing
c. Wearing disposable laboratory coats
d. Identifying specimens from known or suspected HIV- and HBV-infected patients with a red
label - Answer b. Proper hand washing
The appropriate dilution of bleach to use in laboratory disinfection is:
a. 1:2
b. 1:5
c. 1:10
d. 1:100 - Answer d. 1:10
How frequently should fire alarms and sprinkler systems be tested?
a. Weekly
b. Monthly
c. Quarterly
d. Annually - Answer c. Quarterly
Where should alcohol and other flammable chemicals be stored?
a. In an approved safety can or storage cabinet away from heat sources
b. Under a hood and arranged alphabetically for ease of identification in an emergency
c. In a refrigerator at 2 C to 8 C to reduce volatilization
d. On a low shelf in an area protected from light - Answer a. In an approved safety can or
storage cabinet away from heat sources
,The most frequent cause of needle punctures is:
a. Patient movement during venipuncture
b. Improper disposal of phlebotomy equipment
c. Inattention during removal of needle after venipuncture
d. Failure to attach needle firmly to syringe or tube holder - Answer b. Improper disposal of
phlebotomy equipment
What class fire extinguisher would be appropriate to use on a fire in a chemical cabinet?
a. Class A
b. Class B
c. Class C
d. Class D - Answer b. Class B
Select the needle most commonly used in standard venipuncture in an adult:
a. One inch, 18 gauge
b. One inch, 21 gauge
c. One-half inch, 23 gauge
d. One-half inch, 25 gauge - Answer b. One inch, 21 gauge
The process of formation and development of blood cells is termed:
a. Hematopoiesis
b. Hematemesis
c. Hematocytometry
d. Hematorrhea - Answer a. Hematopoiesis
During the second trimester of fetal development, the primary site of blood cell production is:
a. Bone marrow
b. Spleen
c. Lymph nodes
d. Liver - Answer d. Liver
Which of the following organs is responsible for the maturation of T lymphocytes and regulation
of their expression of CD4 and CD8?
a. Spleen
b. Liver
, c. Thymus
d. Bone marrow - Answer c. Thymus
The best source of active bone marrow from a 20-year-old would be:
a. Iliac crest
b. Femur
c. Distal radius
d. Tibia - Answer a. Iliac crest
Physiologic programmed cell death is termed:
a. Angiogenesis
b. Apoptosis
c. Aneurysm
d. Apohematics - Answer b. Apoptosis
Which organ is the site of sequestration of platelets?
a. Liver
b. Thymus
c. Spleen
d. Bone marrow - Answer c. Spleen
Which one of the following cells is a product of the CLP?
a. Megakaryocyte
b. T lymphocyte
c. Erythrocyte
d. Granulocyte - Answer b. T lymphocyte
What growth factor is produced in the kidneys and is used to treat anemia associated with
kidney disease?
a. EPO
b. TPO
c. G-CSF
d. KIT ligand - Answer a. EPO
Actual Answers 2026-2027 Updated.
Standard precautions apply to all of the following except:
a. Blood
b. Cerebrospinal fluid
c. Semen
d. Concentrated acids - Answer d. Concentrated acids
The most important practice in preventing the spread of disease is:
a. Wearing masks during patient contact
b. Proper hand washing
c. Wearing disposable laboratory coats
d. Identifying specimens from known or suspected HIV- and HBV-infected patients with a red
label - Answer b. Proper hand washing
The appropriate dilution of bleach to use in laboratory disinfection is:
a. 1:2
b. 1:5
c. 1:10
d. 1:100 - Answer d. 1:10
How frequently should fire alarms and sprinkler systems be tested?
a. Weekly
b. Monthly
c. Quarterly
d. Annually - Answer c. Quarterly
Where should alcohol and other flammable chemicals be stored?
a. In an approved safety can or storage cabinet away from heat sources
b. Under a hood and arranged alphabetically for ease of identification in an emergency
c. In a refrigerator at 2 C to 8 C to reduce volatilization
d. On a low shelf in an area protected from light - Answer a. In an approved safety can or
storage cabinet away from heat sources
,The most frequent cause of needle punctures is:
a. Patient movement during venipuncture
b. Improper disposal of phlebotomy equipment
c. Inattention during removal of needle after venipuncture
d. Failure to attach needle firmly to syringe or tube holder - Answer b. Improper disposal of
phlebotomy equipment
What class fire extinguisher would be appropriate to use on a fire in a chemical cabinet?
a. Class A
b. Class B
c. Class C
d. Class D - Answer b. Class B
Select the needle most commonly used in standard venipuncture in an adult:
a. One inch, 18 gauge
b. One inch, 21 gauge
c. One-half inch, 23 gauge
d. One-half inch, 25 gauge - Answer b. One inch, 21 gauge
The process of formation and development of blood cells is termed:
a. Hematopoiesis
b. Hematemesis
c. Hematocytometry
d. Hematorrhea - Answer a. Hematopoiesis
During the second trimester of fetal development, the primary site of blood cell production is:
a. Bone marrow
b. Spleen
c. Lymph nodes
d. Liver - Answer d. Liver
Which of the following organs is responsible for the maturation of T lymphocytes and regulation
of their expression of CD4 and CD8?
a. Spleen
b. Liver
, c. Thymus
d. Bone marrow - Answer c. Thymus
The best source of active bone marrow from a 20-year-old would be:
a. Iliac crest
b. Femur
c. Distal radius
d. Tibia - Answer a. Iliac crest
Physiologic programmed cell death is termed:
a. Angiogenesis
b. Apoptosis
c. Aneurysm
d. Apohematics - Answer b. Apoptosis
Which organ is the site of sequestration of platelets?
a. Liver
b. Thymus
c. Spleen
d. Bone marrow - Answer c. Spleen
Which one of the following cells is a product of the CLP?
a. Megakaryocyte
b. T lymphocyte
c. Erythrocyte
d. Granulocyte - Answer b. T lymphocyte
What growth factor is produced in the kidneys and is used to treat anemia associated with
kidney disease?
a. EPO
b. TPO
c. G-CSF
d. KIT ligand - Answer a. EPO
