CMI Medical Illustration Techniques & Tools 3

Question 1

Which color mode should be selected in Photoshop when creating an illustration destined for a full-color medical textbook printed with CMYK inks?

Accepted Answer

CMYK 8-bit

Answer

CMYK mode aligns the document color space with the four-ink printing process used in commercial textbook production, avoiding unexpected color shifts at output.

Question 2

A medical illustrator rendering bone marrow under high magnification must show sinusoids, adipocytes, and hematopoietic cells in a single field. Which technique best differentiates these structures without overcomplicating the image?

Accepted Answer

Strategic hue assignment using a limited palette where each cell type gets a distinct but harmonious color

Answer

A limited, harmonious palette where each structure receives a distinct hue allows rapid visual differentiation without creating perceptual clutter.

Question 3

When using a Wacom tablet in Photoshop, which input device setting prevents unintended cursor jumps when lifting and repositioning the stylus?

Accepted Answer

Pen mode (absolute positioning)

Answer

Pen mode maps every tablet surface position to a fixed screen coordinate, so repositioning the stylus moves the cursor exactly to the corresponding screen location without drift.

Question 4

In medical animation, what is the purpose of setting keyframes on a null object rather than directly on a model in After Effects or Cinema 4D?

Accepted Answer

A null object acts as a parent controller, allowing grouped transformations to be edited in one place

Answer

Parenting geometry to a null lets animators apply transformations to the null and have all child objects follow, simplifying complex multi-part rigs.

Question 5

Which property of gouache makes it particularly suitable for creating opaque highlights on top of dark areas in medical illustration?

Accepted Answer

Its high pigment load that remains opaque even over dark underpainting

Answer

Gouache contains a high concentration of pigment plus chalk filler, producing a matte, opaque film that covers dark underlying colors effectively.

(CMI) Certified Medical Illustrator Practice Test

(CMI) Certified Medical Illustrator Practice Test

CMI Medical Illustration Techniques & Tools 3