CMT Study Guide 2026
Everything you need to pass the CMT exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 CMT Exam Format at a Glance
📚 CMT Topics to Study (21)
✍️ Sample CMT Questions & Answers
1. Which test is most useful in diagnosing and monitoring thyroid disorders?
Thyroid-stimulating hormone (TSH) is produced by the pituitary gland and regulates thyroid hormone production. Measuring TSH levels is the most sensitive and specific initial test for diagnosing and monitoring thyroid disorders, such as hypothyroidism (high TSH) or hyperthyroidism (low TSH). It provides a good indication of overall thyroid function and helps guide treatment.
2. Which anticoagulant is commonly used for complete blood count (CBC) testing?
Ethylenediaminetetraacetic acid (EDTA) is a common anticoagulant used for complete blood count (CBC) testing. It works by chelating calcium ions, which are essential cofactors for the coagulation cascade, thereby preventing blood from clotting. EDTA preserves cell morphology well, making it ideal for accurate hematological analysis without altering cell structure.
3. What is the standard of care requirement for documentation standards in clinical practice?
The standard of care is defined as what a reasonably competent practitioner with similar training would provide under similar circumstances.
4. When performing a 24-hour urine collection for creatinine clearance, the patient should be instructed to:
The standard 24-hour collection protocol discards the first morning void (to clear the bladder at time zero) then collects all urine for exactly 24 hours, ending with the next morning void.
5. Oval fat bodies in urine sediment are best associated with:
Oval fat bodies are renal tubular epithelial cells or macrophages containing absorbed lipid droplets, a hallmark of heavy proteinuria in nephrotic syndrome.
6. What is the primary purpose of proficiency testing (PT) in clinical laboratories?
Proficiency testing involves external agencies sending unknown samples to laboratories so their performance can be compared against peer laboratories and accepted values.