Medical Laboratory Technician Exam FREE ASCP Medical Laboratory Technician Questions and Answers 2

Question 1

A patient's blood sample shows microcytic, hypochromic red blood cells with an elevated red cell distribution width (RDW). Which condition is most consistent with these findings?

Accepted Answer

Iron deficiency anemia

Answer

Iron deficiency anemia classically presents with microcytic, hypochromic cells and an elevated RDW due to progressive iron depletion causing variable cell sizes.

Question 2

Which anticoagulant is preferred for routine coagulation studies such as PT and aPTT?

Accepted Answer

Sodium citrate

Answer

Sodium citrate (3.2%) is the standard anticoagulant for coagulation testing because it reversibly binds calcium and preserves coagulation factor activity.

Question 3

A Gram stain of a sputum specimen reveals gram-positive cocci in pairs surrounded by a clear zone. Which organism is most likely?

Accepted Answer

Streptococcus pneumoniae

Answer

Gram-positive diplococci with a capsular clear zone (quellung reaction appearance) on Gram stain is characteristic of Streptococcus pneumoniae.

Question 4

In quality control, what does a Westgard 2-2s rule violation indicate?

Accepted Answer

Systematic error or shift in the analytical process

Answer

The 2-2s rule flags systematic error when two consecutive controls exceed 2 standard deviations in the same direction, indicating a shift or trend.

Question 5

Which immunoglobulin class is the first to be produced during a primary immune response?

Accepted Answer

IgM

Answer

IgM is the first antibody produced during a primary immune response and is the largest immunoglobulin, existing as a pentamer in serum.

Medical Laboratory Technician Exam Practice Test

Medical Laboratory Technician Exam Practice Test

Medical Laboratory Technician Exam FREE ASCP Medical Laboratory Technician Questions and Answers 2