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IAI TEST NEWEST 2026 ACTUAL EXAM COMPLETE 100 QUESTIONS AND CORRECT ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A+
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IAI TEST NEWEST 2026 ACTUAL EXAM COMPLETE
100 QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+
What is described as a "stratified, continually renewing
epithelium that exhibits progressive differentiation in the basal
to superficial direction"? - ANSWER- Epidermis
The Epidermis is made up of: - ANSWER- Keratinocytes,
Melanocytes, Langerhans cell and Merkel cells
What account for 90-95% of the Epidermal Cells? - ANSWERKeratinocytes
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
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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
The fibers and anchoring plaques of the _________ are
interwoven with the fibers of the lamina densa. - ANSWERSublamina 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 GranulesÂ
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