Epidermis Question Preview (ID: 57603)
Review Questions About The Epidermis, Strata, And Cells Within.
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Which of the following is the correct sequence of the layers of the epidermis in thick skin, from superficial to deep?
a) stratum corneum, stratum lucidum, stratum spinosum, stratum granulosum, stratum basale
b) stratum corneum, stratum granulosum, stratum spinosum, stratum lucidum, stratum basale
c) stratum corneum, stratum lucidum, stratum granulosum, stratum spinosum, stratum basale
d)
Which layer of the epidermis consists of cells that are undergoing active cell reproduction and eventually migrate to the stratum corneum layer to be sloughed off?
a) stratum basale
b) stratum granulosum
c) stratum lucidum
d) stratum spinosum
Which layer of the epidermis consists of cells that produce the tough protein substance called keratin?
a) stratum granulosum
b) stratum corneum
c) stratum spinosum
d) stratum lucidum
The cells in the stratum basale layer can migrate to the stratum corneum layer. In the stratum basale layer are cells that produce pigment and do not migrate. What are those cells called?
a) keratinocytes
b) melanocytes
c) Merkel cells
d) Langerhans cells
There are cells in the epidermis that produce a pigment that protect against DNA mutation by UV radiation. These cells help create our skin color and a tan. What are these cells called?
a) keratinocytes
b) Langerhans cells
c) melanocytes
d) mast cells
Which of the following cells are associated with the sensory function of skin?
a) Keratinocytes
b) Langerhans cells
c) Merkel cells
d) Mast cells
The skin provides physical protection since it prevents the entry of some pathogens. The skin also provides protection against pathogens via the activity of the __________.
a) Langerhans' cells
b) melanocytes
c) Merkel cells
d) Pacinian Corpuscles
What cell detects touch and sensory sensations?
a) Langerhans (Dendritic) cell
b) Melanocytes
c) Merkel (Tactile) Cells
d) Keratinocytes
The skin of our body has a number of functions. Which is NOT one of them?
a) Excretion
b) Protection
c) Governing body rhythms
d) Heat regulation
What is different about stratum spinosum cells?
a) The cytosol has shrunk
b) The nucleus multiplies
c) The cytosol swells
d) The keratin is coarser
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