1|Page
IAI TEST EXAM LATEST 2026 ACTUAL EXAM WITH COMPLETE
QUESTIONS AND CORRECT DETAILED ANSWERS (100% VERIFIED
ANSWERS) |ALREADY GRADED A+| ||PROFESSOR VERIFIED||
||BRANDNEW!!!||
How many types of Keratins are distributed throughout the
Epidermis? - ANSWER-20
What is the order of layers in the Epidermis? (Inner to Outer) -
ANSWER-a. Stratum Basale, Stratum Spinosum, Stratum
Granulosum, Stratum Lucidum, Stratum Corneum
What connects the basal cells to the basement membrane zone?
- ANSWER-Hemidesmosomes
What is the mechanism by which a cell replicates its DNA? -
ANSWER-Mitosis
What is the filter through which nutrients pass from the dermal
blood vessels to the basal keratinocytes? - ANSWER-Basement
Membrane Zone
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The fibers and anchoring plaques of the _________ are
interwoven with the fibers of the lamina densa. - ANSWER-
Sublamina Densa Fibrillar Zone
What are round plaques that bind together the plasma
membranes of adjacent cells? - ANSWER-Desmosomes
Basal cells of the secondary ridges divide _______ the primary
ridges. - ANSWER-More frequently than
Which ridges maintain the surface ridges, where more cells are
needed because of greater abrasion? - ANSWER-Primary
What are the pockets of lipids that first appear in the stratum
spinosum but do not become active until the cells reach the
stratum granulosum? - ANSWER-Lamellar Granules
The lipids coat the cells, providing the skin with what kind of
barrier? - ANSWER-Hydrophobic
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What does the pigment that is deposited into the keratinocytes
protect against? - ANSWER-Ultraviolet damage
What cells are an extension of the body's immune system? -
ANSWER-Langerhans cells
What cells are an extension of the nervous system? - ANSWER-
Merkel cells
What layer is a loose connective tissue containing anchoring
fibrils and numerous dermal cells? - ANSWER-Outer papillary
layer
What is malleable, peglike projections of the papillary dermis
between the primary and secondary ridges? - ANSWER-Dermal
papillae
The _______ is a compact connective tissue containing large
bundles of collagen and elastic fibers. - ANSWER-Reticular
dermis
IAI TEST EXAM LATEST 2026 ACTUAL EXAM WITH COMPLETE
QUESTIONS AND CORRECT DETAILED ANSWERS (100% VERIFIED
ANSWERS) |ALREADY GRADED A+| ||PROFESSOR VERIFIED||
||BRANDNEW!!!||
How many types of Keratins are distributed throughout the
Epidermis? - ANSWER-20
What is the order of layers in the Epidermis? (Inner to Outer) -
ANSWER-a. Stratum Basale, Stratum Spinosum, Stratum
Granulosum, Stratum Lucidum, Stratum Corneum
What connects the basal cells to the basement membrane zone?
- ANSWER-Hemidesmosomes
What is the mechanism by which a cell replicates its DNA? -
ANSWER-Mitosis
What is the filter through which nutrients pass from the dermal
blood vessels to the basal keratinocytes? - ANSWER-Basement
Membrane Zone
,2|Page
The fibers and anchoring plaques of the _________ are
interwoven with the fibers of the lamina densa. - ANSWER-
Sublamina Densa Fibrillar Zone
What are round plaques that bind together the plasma
membranes of adjacent cells? - ANSWER-Desmosomes
Basal cells of the secondary ridges divide _______ the primary
ridges. - ANSWER-More frequently than
Which ridges maintain the surface ridges, where more cells are
needed because of greater abrasion? - ANSWER-Primary
What are the pockets of lipids that first appear in the stratum
spinosum but do not become active until the cells reach the
stratum granulosum? - ANSWER-Lamellar Granules
The lipids coat the cells, providing the skin with what kind of
barrier? - ANSWER-Hydrophobic
, 3|Page
What does the pigment that is deposited into the keratinocytes
protect against? - ANSWER-Ultraviolet damage
What cells are an extension of the body's immune system? -
ANSWER-Langerhans cells
What cells are an extension of the nervous system? - ANSWER-
Merkel cells
What layer is a loose connective tissue containing anchoring
fibrils and numerous dermal cells? - ANSWER-Outer papillary
layer
What is malleable, peglike projections of the papillary dermis
between the primary and secondary ridges? - ANSWER-Dermal
papillae
The _______ is a compact connective tissue containing large
bundles of collagen and elastic fibers. - ANSWER-Reticular
dermis
