Anatomy- Integumentary System

Multiple Choice

What is the main function of dendritic (Langerhans) cells in the epidermis?

• Protect the body from pathogens

• Produce melanin

• Sense light touch

• Produce keratin

Multiple Select

Which of the following are functions of melanocytes in the epidermis?

• Produce melanin pigment

• Protect against UV radiation

• Sense light touch

• Form a waterproof barrier

Multiple Choice

Which type of cell in the epidermis is responsible for producing the protein keratin?

• Keratinocyte

• Melanocyte

• Dendritic cell

• Merkel cell

Multiple Choice

Which layer of the epidermis is directly above the stratum basale?

• Stratum spinosum

• Stratum granulosum

• Stratum corneum

• Stratum lucidum

Multiple Choice

Which layer of the epidermis is responsible for providing strength and flexibility to the skin?

• Stratum corneum

• Stratum spinosum

• Stratum granulosum

• Stratum lucidum

Multiple Choice

What is the main function of lamellar granules found in the stratum granulosum and stratum corneum?

• Produce melanin

• Secrete lipids to waterproof the skin

• Bind cells together

• Initiate cell division

Multiple Choice

Which pigment is mainly found in the fatty areas of the dermis and gives a yellow-orange color to the skin?

• Melanin

• Hemoglobin

• Carotene

• Keratin

Multiple Choice

Which of the following pigments is responsible for the brown-black coloration of skin and protects against UV damage?

• Carotene

• Hemoglobin

• Melanin

• Keratin

Multiple Select

Which of the following statements about melanin is/are correct?

• Melanin is produced by melanocytes.

• Melanin protects against UV damage.

• Melanin is the only pigment responsible for skin color.

• Melanin is found in melanosomes.