Table:
0
A
B
C
D
E
F
G
1
Stain
Common use
Nucleus
Cytoplasm
Red blood cell (RBC)
Collagen fibers
Specifically stains
2
Haematoxylin
General staining when paired with eosin (i.e. H&E)
Orange, Cyan Blue or Green
Blue/Brown/Black
N/A
N/A
Nucleic acids—blue ER (endoplasmic reticulum)—blue
3
Toluidine blue
General staining
Blue
Blue
Blue
Blue
Mast cells granules—purple
4
Masson's trichrome stain
Connective tissue
Black
Red/pink
Red
Blue/green
Cartilage—blue/green Muscle fibers—red
5
Weigert's elastic stain
Elastic fibers
Blue/black
N/A
N/A
N/A
Elastic fibers—blue/black
6
Heidenhain's AZAN trichrome stain
Distinguishing cells from extracellular components
Red/purple
Pink
Red
Blue
Muscle fibers—red Cartilage—blue Bone matrix—blue

Questions and formulas:
Question: Pink cytoplasm is seen in a test that specifically stains what?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,D1="Pink"),7))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G6,D2:D6="Pink"),7))
Level: medium
Question: How many cytoplasms result in a blue nucleus?
Formula: ROWS(UNIQUE(FILTER(D1, C1="Blue")))
Formula2: ROWS(UNIQUE(FILTER(D2:D6, C2:C6="Blue")))
Level: medium
Question: A nucleus that is blue/black will specifically stain what?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,C1="Blue/black"),7))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G6,C2:C6="Blue/black"),7))
Level: medium
Question: The pink cytoplasm will have a nucleus of what color?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,D1="Pink"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G6,D2:D6="Pink"),3))
Level: medium
Question: What stain is used commonly for elastic fibers?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,B1="Elastic fibers"),1))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G6,B2:B6="Elastic fibers"),1))
Level: medium