10 exam-style questions with answers and explanations, straight from our 1,030-question bank. Tap an answer to check yourself. When you're ready, take the scored version in the free practice test.
These 10 free CMI questions are organized by exam domain, so you can see how each part of the Certified Medical Illustrator blueprint is tested. Reveal the answer and explanation under each question.
Domain 1: Problem-Solving
Question 1
An illustrator retains copyright in an anatomical plate but has granted a publisher exclusive worldwide print-textbook rights for three years, reserving all other uses. During that term, a different client requests the unchanged plate for an online-only course, with no print or downloadable edition. No confidentiality or other restrictions apply. How can the illustrator fulfill the new request without disturbing the first publisher's rights?
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Correct answer: A - Grant a separate nonexclusive license for the requested online course.
Question 2
While observing an operation from an approved position, a nonscrubbed illustrator sees their camera strap brush the sterile instrument-table drape. No team member appears to notice, and the operation is continuing. What is the illustrator's immediate responsibility?
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Correct answer: B - Alert the surgical team to the contact immediately, without handling the drape or instruments.
Question 3
A publisher needs a raster version of a fully vector anatomical plate, 12 inches wide at 300 PPI, without changing the composition. The supplied export is 2,400 pixels wide. The approved vector master remains available, and the publisher does not accept upsampled raster files. Which production action most directly meets the specification while preserving the master's fine paths and lettering?
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Correct answer: C - Export the vector master again at 3,600 pixels wide for the specified placement.
Domain 2: Anatomy and Physiology
Question 4
During ventricular ejection in a normal-heart animation, left ventricular pressure exceeds left atrial pressure. The mitral valve apparatus must move realistically. Which instruction correctly specifies the role of the papillary muscles?
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Correct answer: C - Contract them to tension the chordae and prevent mitral leaflet prolapse into the atrium.
Question 5
A tissue reconstruction has columnar surface cells and nuclei at several heights. These appearances alone have left the illustrator uncertain between pseudostratified and truly stratified columnar epithelium. Which additional finding resolves that distinction in favor of pseudostratified epithelium?
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Correct answer: B - Every epithelial cell contacts the basement membrane.
Question 6
An intestinal-cell storyboard shows sodium and glucose entering through the same carrier while glucose accumulates against its concentration gradient. A separate sodium-potassium pump maintains the sodium gradient. The artist has attached an ATP-hydrolysis symbol to the glucose carrier. Which account of the energy source should replace that depiction?
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Correct answer: D - Sodium's inward electrochemical gradient powers glucose uptake; ATP hydrolysis belongs at the separate pump.
Question 7
For an ocular-movement plate, the right eye must turn horizontally from straight ahead toward the right temple while the head stays still. The label should identify the principal muscle producing this movement and its motor nerve. Which pairing belongs on the plate?
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Correct answer: D - Lateral rectus - abducens nerve (VI)
Question 8
Two adjacent teaching panels depict carcinoma in situ and invasive carcinoma of an epithelial surface. Both already show marked nuclear atypia and disordered epithelial maturation. To communicate invasion rather than simply more severe atypia, the second panel must additionally show:
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Correct answer: C - Tumor cells extending through the basement membrane into underlying stroma
Domain 3: Drawing Skills
Question 9
A shaft sits inside an opaque housing. Its shoulder rests on the housing's front face, while its tip stops short of the bottom of a blind bore. One explanatory view must reveal both the shoulder contact and the tip clearance, with every component left in its assembled position. Select the view that exposes both relationships directly.
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Correct answer: D - A longitudinal cutaway through the shared shaft and bore axis
Question 10
In an orthographic assembly drawing, two identical cylindrical rods have parallel axes and the same orientation. One rod lies farther from the viewer, but neither is partly hidden. A reviewer suggests making the farther rod thinner solely to indicate its greater depth. The geometric objection to that change is that:
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Correct answer: A - Depth alone does not change projected diameter in an orthographic view.
That's 10 of 1,030
The full bank has 1,020 more CMI questions with explanations.