ASCP MLT Exam: Practice Questions, 2nd edition - Tapa blanda

Sinopsis

Prepare for the ASCP BOC Medical Laboratory Technician (MLT) Exam with this unofficial book of practice questions, now in its second edition!

This edition includes 500 multiple-choice questions — 100 more than the previous version — covering all seven ASCP MLT exam content areas:

1. Blood banking
2. Urinalysis and other body fluids
3. Chemistry
4. Hematology
5. Immunology
6. Microbiology
7. Laboratory operations

Questions mirror the types of questions you’ll encounter on the ASCP MLT exam. Answers are provided at the end of each section, complete with explanations to help deepen your understanding.

New to this edition:

• 100 new questions
• Corrections and refinements to previous questions
• Updates to align with the latest ASCP MLT exam guidelines

This book is also a valuable resource for those taking the ASCP MLS exam, as both exams share similar content. This book offers unique questions, different from those in the ASCP MLS Exam: Practice Questions book.

---SAMPLE QUESTIONS---

Below are six sample questions from the book:

1) BLOOD BANKING
The _____________ effect is the phenomenon of stronger antigen expression with homozygous genotypes than heterozygous genotypes.
a. dosage
b. homozygous
c. position
d. prozone

Answer: a. dosage
Explanation: The dosage effect is when an antigen reacts more strongly when there are two copies of a gene (homozygous) than when there is only one copy (heterozygous).

2) URINALYSIS AND OTHER BODY FLUIDS
What is nocturia?
a. Blood in the urine
b. Difficulty urinating
c. Excessive urination at night
d. Pain during a period

Answer: c. Excessive urination at night
Explanation: Nocturia is the condition of waking up during the night to urinate. It can disrupt sleep and is often a symptom of underlying health issues such as diabetes, heart failure, or urinary tract infections.

3) HEMATOLOGY
Which type of immunoglobulin is the Donath-Landsteiner antibody?
a. IgA
b. IgD
c. IgG
d. IgM

Answer: c. IgG
Explanation: The Donath-Landsteiner antibody is an IgG autoantibody that causes a rare disorder called paroxysmal cold hemoglobinuria. The antibody binds to red blood cells in cold temperatures, leading to hemolysis when the blood warms to 37°C.

4) IMMUNOLOGY
Which of these diseases is a viral infection of the liver?
a. Hepatitis B
b. HIV
c. Syphilis
d. Tuberculosis

Answer: a. Hepatitis B
Explanation: Of the possible answers, only hepatitis B is a viral infection of the liver.

5) MICROBIOLOGY
Which of these could cause stain precipitation?
a. Excessive buffer
b. Excessive humidity in the air
c. Insufficient staining time
d. Use of aged staining solutions

Answer: d. Use of aged staining solutions
Explanation: Stain precipitation is the presence of unwanted dots, specks, or crystals on a slide, caused by particles from the staining solution. Precipitation can occur because the staining procedure was too long, the rinsing was insufficient, or because the staining solution is old. Over time, staining solutions can deteriorate, leading to the formation of insoluble particles.

6) LABORATORY OPERATIONS
A lab assistant makes a 1/6 dilution of serum in water. The assistant then performs a glucose test on the diluted serum. The result is 72 mg/dL. What result should the lab assistant report to the doctor?
a. 12 mg/dL
b. 72 mg/dL
c. 432 mg/dL
d. 720 mg/dL

Answer: c. 432 mg/dL
Explanation: The serum has been diluted by a factor of 6. Therefore, you need to multiply the glucose result by 6 to get the true result: 72 × 6 = 432.

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