Skin Quiz

In which of the following layer of the epidermis, the keratinocytes have cell division?

• All layers of spinosum

• Basale

• Granulosum

• Lucidum

Which type of the following sensory receptors detect coarse touch, pressure (sustained touch), and vibrations?

• Pacinian corpuscles

• Meissner's corpuscles

• Free nerve ending

• Ruffini corpuscles

Which of the following cells is a macrophage?

• Keratinocyte

• Melanocyte

• Langerhans cell

• Merkel cell

Which of the following statements about the apocrine sweat glands is INCORRECT?

• They have much larger lumens than those of the eccrine glands

• Their cells show apocrine secretion

• They have simple cuboidal epithelium

• They are innervated by adrenergic nerve endings

Which of the following cells create nail plate?

• Keratinocytes

• Melanocytes

• Langerhans cells

• All the above

Which of the following layers is NOT part of hair root?

• Medulla

• Internal root sheath

• Cortex

• Cuticle