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

Question 1

Which anticoagulant is found in a lavender-top blood collection tube?

Accepted Answer

EDTA

Answer

Sodium citrate

Answer

Heparin

Answer

Potassium oxalate

Question 2

What is the primary stain used to differentiate gram-positive from gram-negative bacteria?

Accepted Answer

Gram stain

Answer

Acid-fast stain

Answer

Wright stain

Answer

Giemsa stain

Question 3

A patient's blood glucose level is 250 mg/dL with ketonuria present. Which condition is most likely?

Accepted Answer

Diabetic ketoacidosis

Answer

Hypoglycemia

Answer

Cushing syndrome

Answer

Addison disease

Question 4

Which electrolyte imbalance is most commonly associated with hemolyzed blood specimens?

Accepted Answer

Falsely elevated potassium

Answer

Falsely decreased sodium

Answer

Falsely elevated calcium

Answer

Falsely decreased chloride

Question 5

What does an elevated erythrocyte sedimentation rate (ESR) primarily indicate?

Accepted Answer

Inflammation

Answer

Polycythemia

Answer

Dehydration

Answer

Iron deficiency

Question 6

In urinalysis, the presence of waxy casts most commonly indicates what condition?

Accepted Answer

Chronic renal failure

Answer

Acute pyelonephritis

Answer

Urinary tract infection

Answer

Nephrotic syndrome