What role do the dermal papillae play in the dermis?
A) Dermal papillae house blood vessels that supply oxygen and nutrients to the avascular epidermis.
B) Dermal papillae house lamellated (Pacinian) corpuscles that detect deep pressure and vibrations applied to the skin.
C) Dermal papillae house many collagen fibers to strengthen the dermis.
D) Dermal papillae house melanocytes that produce the skin pigment melanin.
Correct Answer:
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Q26: Thick skin lacks:
A)sweat glands.
B)hair follicles.
C)stratum lucidum.
D)stratum granulosum.
Q27: How do melanocytes and keratinocytes work together
Q28: Which layer of the epidermis is characterized
Q29: A callus may develop when both thin
Q30: We have unique patterns on our fingers,toes,palms,and
Q32: Thomas is deaf,but can feel the vibrations
Q33: Which of the following cells is associated
Q34: Despite the strength of the dermis,it is
Q35: Where is thick skin located?
A)buttocks
B)face
C)palms
D)elbow
Q36: Melanin is produced upon exposure to:
A)cold.
B)UV radiation.
C)wind.
D)heat.
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