Are you ready to prove your skills in the clinical environment? The third part of our Clinical Competency series is designed to challenge your knowledge of diagnostic procedures, laboratory safety, and patient assessment. As a Certified Medical Assistant, your ability to perform these tasks accurately is vital for patient safety and effective diagnosis. Our mission is to help you prepare thoroughly so you can Pass CMA Exam on Your First Try.
What’s Covered
- Laboratory Testing
- Specimen Collection
- Diagnostic Imaging
- ECG/EKG
- Clinical Assessment
Why This Matters
Clinical competency is the backbone of the medical assisting profession. Employers rely on CMAs to bridge the gap between the physician and the patient, often handling critical diagnostic tasks that drive treatment plans. A strong grasp of laboratory testing and ECG placement ensures that the data provided to the provider is accurate. Furthermore, strict adherence to safety protocols during specimen collection protects both the patient and the medical assistant from infection and errors. Mastering these topics is not just about passing the exam; it is about ensuring high-quality patient care and minimizing liability in a clinical setting.
How to Use This Test
This practice test consists of 53 carefully curated questions that mirror the format and difficulty of the actual CMA certification exam. To get the most out of this session, simulate a real testing environment. Find a quiet space, set a timer, and avoid using reference materials during the attempt. Once you have completed the test, review your answers critically. Pay special attention to the questions you missed; understanding the rationale behind the correct answer is the key to long-term retention and success on exam day.
What to Focus On
- Phlebotomy and Order of Draw: Memorizing the correct order (Blood cultures, Light blue, Red, SST, Green, Lavender, etc.) is essential to prevent cross-contamination of additives between tubes, which can cause erroneous lab results.
- ECG Lead Placement: Ensure you know the precise anatomical landmarks for limb and chest leads. Misplacement by even a small intercostal space can significantly alter the waveform and lead to misdiagnosis.
- Specimen Processing: Understand the specific handling requirements for different samples, including which specimens need to be protected from light, kept on ice, or delivered immediately to the lab.
- Common Pitfalls: Be vigilant about avoiding frequent errors such as failing to label specimens at the bedside, using expired reagents, or neglecting to verify patient identity before collecting samples.
Start Your Practice Test
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- Exam Room Techniques, Patient Preparation and Infection Control 0%
- Medical Terminology and Anatomy 0%
- Office Laboratory Procedures 0%
- Pathophysiology and Nutrition 0%
- Pharmacology 0%
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Question 1 of 50
1. Question
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Hint: Think about which anticoagulant is used specifically for coagulation studies (PT/PTT) in a light-blue top tube and works by binding calcium reversibly to preserve clotting factors.
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Question 2 of 50
2. Question
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Hint: Recall that surgical scrubbing uses a sterile hand brush and is performed for a relatively short, single‑digit minute duration rather than the much longer 15–20 minute times.
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Question 3 of 50
3. Question
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Hint: Focus on the tiny epithalamic gland that secretes melatonin to regulate circadian rhythms and the sleep–wake cycle.
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Question 4 of 50
4. Question
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Hint: Focus on the transient nature of focal neurological deficits that fully resolve within 24 hours—this time-limited pattern is characteristic of a brief cerebral ischemic event rather than permanent stroke.
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Question 5 of 50
5. Question
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Hint: Choose the medication class that strongly suppresses gastric acid secretion—proton pump inhibitors are commonly used as first-line therapy for GERD.
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Question 6 of 50
6. Question
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Hint: Remember the standard fever threshold is ≥38°C (100.4°F) and axillary measurements typically read lower than oral/rectal values—so compare each listed value to that cutoff.
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Question 7 of 50
7. Question
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Hint: Think of the key usually marked with a left-pointing arrow that removes the character immediately before the cursor, not the one that deletes to the right.
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Question 8 of 50
8. Question
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Hint: Remember that intradermal injections deposit a small volume into the dermis to produce a localized skin reaction, a technique commonly used for various types of skin testing such as allergies, tuberculosis, and drug sensitivity assessments.
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Question 9 of 50
9. Question
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Hint: Think about measuring pancreatic enzymes—one that digests starch and one that digests fats—which typically rise in acute pancreatitis and help confirm the diagnosis.
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Question 10 of 50
10. Question
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Hint: Think about the prefixes: auto = self, iso/homo = same or same species, while the prefix meaning “different species” applies to animal-to-human transplants.
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Question 11 of 50
11. Question
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Hint: Think of the labor stage defined by the cervix opening and measured in centimeters—this term describes how the birth canal widens during the first stage of labor.
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Question 12 of 50
12. Question
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Hint: Focus on what actions decrease a person’s risk of becoming infected—think prevention measures (like hand hygiene and general health practices) that lower susceptibility to pathogens.
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Question 13 of 50
13. Question
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Hint: Remember that an AED delivers an electrical shock—ensure the patient is dry and out of standing water before applying pads and shocking, and remove any moisture from the chest.
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Question 14 of 50
14. Question
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Hint: A colposcopy is a brief outpatient visual exam of the cervix—there is typically no fasting, bowel prep, or stopping chronic medications required; focus on simple gynecologic precautions instead.
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Question 15 of 50
15. Question
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Hint: Think of a pediatric bone disorder from impaired mineralization of the growth plates that presents with bowed legs and delayed tooth eruption due to vitamin D/calcium deficiency.
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Question 16 of 50
16. Question
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Hint: For newborns, choose a site that avoids major veins, nerves, and bone and is commonly used for neonatal capillary sampling — think of the recommended peripheral site on the lower extremity.
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Question 17 of 50
17. Question
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Hint: Remember that several standardized eye charts (letter-based, orientation-based, and gap-based) are used to quantify visual acuity depending on the patient’s literacy or ability to identify symbols—so consider whether more than one option could be correct.
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Question 18 of 50
18. Question
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Hint: FAST stands for Face, Arm, Speech, Time and is used to recognize sudden focal neurological signs suggesting an acute cerebrovascular event that requires immediate action.
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Question 19 of 50
19. Question
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Hint: For infants you should use auscultation to count the apical pulse with a stethoscope at the cardiac apex (usually one intercostal space higher than in adults) because peripheral pulses can be fast and irregular.
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Question 20 of 50
20. Question
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Hint: Consider common combining forms like cardi/o and hepat/o — which vowel is most frequently used to link word roots to suffixes and prefixes in medical terms?
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Question 21 of 50
21. Question
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Hint: Think about modern antiretroviral therapy and the distinction between HIV infection and progression to AIDS—effective treatment plus healthy habits can allow long-term survival.
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Question 22 of 50
22. Question
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Hint: The best greeting clearly identifies the practice, the staff member, and uses a polite, open-ended phrase inviting the caller to state their needs.
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Question 23 of 50
23. Question
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Hint: Consider occupational safety and transdermal medication — always prevent clinician skin exposure to avoid accidental absorption when handling patches.
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Question 24 of 50
24. Question
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Hint: Think of the term that specifically means the absence or cessation of menstrual periods, and contrast it with menarche (first period), menorrhagia (excessive bleeding), and menopause (age-related end of periods).
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Question 25 of 50
25. Question
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Hint: Think about the screening that uses pseudoisochromatic plates—numbers or shapes formed by colored dots—to detect red‑green color vision deficiencies, rather than tests for visual acuity or near vision.
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Question 26 of 50
26. Question
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Hint: Remember that the suffix “-philia” denotes an increased number or affinity, and “baso-” refers to a specific type of leukocyte found circulating in peripheral blood.
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Question 27 of 50
27. Question
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Hint: Compare each value to typical reference ranges—ESR is a nonspecific marker of inflammation and values slightly above the usual upper limit (often ~20 mm/hr) suggest an abnormal result even when WBC and hematocrit fall within normal ranges.
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Question 28 of 50
28. Question
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Hint: Remember which side of the heart supplies the pulmonary (lungs) circuit versus the systemic (body) circuit—left heart handles systemic output, right heart directs blood to the lungs.
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Question 29 of 50
29. Question
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Hint: Think about which body site is typically used for subcutaneous injections (like insulin or heparin) rather than intramuscular injections—identify the site that is more appropriate for subQ administration.
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Question 30 of 50
30. Question
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Hint: Control profuse distal arm bleeding by applying firm pressure to the major arterial pressure point proximal to the wound (the brachial artery) to reduce blood flow before considering more drastic measures.
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Question 31 of 50
31. Question
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Hint: Break down the terminology: “hema/hemato” means blood and “emesis” means vomiting—so pick the term that denotes blood in vomitus rather than coughing blood or a nosebleed.
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Question 32 of 50
32. Question
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Hint: Recall that retroperitoneal organs lie posterior to the peritoneal cavity rather than suspended by mesentery—think of the paired, posteriorly located organ involved in filtration of blood.
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Question 33 of 50
33. Question
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Hint: Think about which surgical suffix refers to forming a new mouth or stoma (a permanent or semi-permanent opening to the body surface), not just cutting into or removing tissue.
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Question 34 of 50
34. Question
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Hint: Psoriasis typically produces well-demarcated, dry, scaly plaques (think flaky, not oozing) and favors extensor surfaces like elbows, knees, and the scalp.
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Question 35 of 50
35. Question
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Hint: These findings point to systemic hypoperfusion from significant blood loss—look for signs of circulatory collapse (rapid weak pulse, low blood pressure, cool clammy skin) rather than a focal neurologic event or isolated cardiac pain.
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Question 36 of 50
36. Question
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Hint: Think of “abduction” as moving a limb away from the body’s midline or trunk—opposite of bringing it closer (adduction).
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Question 37 of 50
37. Question
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Hint: Early in the call, secure information that allows you to identify and quickly contact the caller (useful if the call is dropped or you need to follow up).
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Question 38 of 50
38. Question
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Hint: Remember that the atlas and axis are specific cervical vertebrae designated C1 and C2, which occupy the topmost positions of the vertebral column and form the superior support of the skull.
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Question 39 of 50
39. Question
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Hint: This term describes the highest level of microbial control — complete elimination of all forms of microbial life, including bacterial spores, rather than just reducing or removing germs.
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Question 40 of 50
40. Question
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Hint: Remember aspirin irreversibly inhibits platelet function (antiplatelet effect) and is contraindicated in children due to risk of Reye syndrome; also prevention of myocardial infarction is achieved with low-dose therapy rather than high doses.
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Question 41 of 50
41. Question
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Hint: Think of the root word meaning “poison” and the branch of science that studies the harmful effects of chemicals and substances on living organisms.
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Question 42 of 50
42. Question
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Hint: Think about the administration route that delivers medication directly into the circulation for immediate effect and essentially complete bioavailability.
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Question 43 of 50
43. Question
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Hint: Calcium is crucial for bone mineralization and neuromuscular/clotting functions—consider both decreased bone density (leading to spinal deformity over time) and increased tendency to bruise when levels are low.
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Question 44 of 50
44. Question
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Hint: Focus on the therapeutic purpose of calamine—what symptom does it specifically relieve? Think of the term used for medications that treat itching (pruritus).
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Question 45 of 50
45. Question
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Hint: Remember that AB individuals lack anti-A and anti-B antibodies, making them able to accept red blood cells from any ABO donor; consider how antibodies—not antigens—determine compatibility for RBC transfusion.
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Question 46 of 50
46. Question
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Hint: Remember the superficial venous anatomy of the antecubital fossa: the cephalic and basilic veins are present and are commonly connected by the median cubital vein, which is a primary site for venipuncture.
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Question 47 of 50
47. Question
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Hint: For pelvic and gynecologic procedures, choose the position that places the patient on her back with hips flexed and legs elevated and supported to expose the perineal area.
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Question 48 of 50
48. Question
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Hint: Recall standard BMI categories: normal ends at 24.9, obesity begins at 30, and values between 25 and 29.9 indicate a weight category above normal but below obesity.
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Question 49 of 50
49. Question
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Hint: Think about which vitamins are stored in adipose tissue and include the retinoids—these fat-soluble vitamins are absorbed with dietary fats and require bile for absorption.
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Question 50 of 50
50. Question
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Hint: Consider the term that literally means “inflammation of the liver” and which group of pathogens (think hepatitis A, B, C) are classically hepatotropic and responsible for the majority of cases worldwide.
Medical Disclaimer: This content is for educational purposes only and is intended to serve as a study aid for the CMA exam. It is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.