CMI Histology & Microscopic Anatomy Illustration

Question 1

When illustrating a histological section stained with Hematoxylin and Eosin (H&E), which color would the cell nucleus typically appear?

Accepted Answer

Blue/purple

Answer

Pink/red

Answer

Green

Answer

Colorless

Question 2

In a photomicrograph of skeletal muscle, which combination of features must a medical illustrator accurately depict to distinguish it from other muscle types?

Accepted Answer

Cross-striations and peripherally located nuclei

Answer

Intercalated discs and branching fibers

Answer

Centrally located nuclei and smooth cell borders

Answer

Single nucleus per cell and sparse striations

Question 3

A medical illustrator is referencing micrographs to depict cellular ultrastructure including ribosomes and mitochondrial cristae. Which imaging modality provides this level of resolution?

Accepted Answer

Transmission electron microscopy

Answer

Phase contrast light microscopy

Answer

Confocal fluorescence microscopy

Answer

Scanning electron microscopy

Question 4

When illustrating a cross-section of a muscular artery, the medical illustrator must accurately depict which three concentric wall layers?

Accepted Answer

Tunica intima, tunica media, and tunica adventitia

Answer

Endothelium, myocardium, and pericardium

Answer

Epidermis, dermis, and hypodermis

Answer

Mucosa, submucosa, and muscularis externa

Question 5

A medical illustrator is working from a PAS (Periodic Acid-Schiff) stained tissue section. Which cellular components would appear magenta/pink in this preparation?

Accepted Answer

Glycogen and mucopolysaccharides

Answer

Cell nuclei

Answer

Collagen fibers and elastic tissue

Answer

Lipid droplets and myelin

Question 6

When illustrating simple columnar epithelium lining the small intestine, which two specialized surface features must be prominently shown?

Accepted Answer

Microvilli (brush border) and goblet cells

Answer

Cilia and basal lamina only

Answer

Stratified layers and desmosomes

Answer

Stereocilia and tight junctions only

Question 7

In a labeled diagram of the classic liver lobule, which structure is correctly placed at the center of the lobule?

Accepted Answer

Central vein

Answer

Portal triad

Answer

Hepatic artery branch

Answer

Bile duct