Which of the following is true regarding Langerhans cells andtheir activity?
a) the Langerhans cell is a specialized epithelial cell made ofespecially large amounts of keratin
b) they add pigment to keratinocytes in the stratum spinosum andthis pigment acts to reduce the
chance of UV radiation damage to the keratinocyte nucleus
c) they are interfaced with underlying sensory neurons andenhance the detection of mechanical forces
applied to the skin
d) they sample the microflora found in the upper layers of theskin and can prepare the immune
system for potential invaders
e) they play a primary role in detecting UV radiation anddirectly influence melanocyte production of
melanin.
