Histology & Cell Biology Quiz

Which of the following is NOT part of the skin appendages?

• Sweat glands

• Dermis

• Nail

• Hair

What is the function of Langerhans cells in the epidermis?

• Present antigens to T-lymphocytes

• Act as sensory mechanoreceptors

• Secrete sebum

• Produce melanin pigment

Which layer of the epidermis is acellular and made up of flattened scales of keratin?

• Stratum Basale

• Stratum Corneum

• Stratum Spinosum

• Stratum Lucidum

What is the function of sebaceous glands in the skin?

• Secrete sweat for temperature regulation

• Produce melanin pigment

• Act as sensory mechanoreceptors

• Produce sebum to keep skin soft and waterproof

Which type of skin is classified based on the thickness of the epidermis?

• Sweat skin

• Keratin skin

• Thin skin

• Thick skin

What is the main function of melanocytes in the epidermis?

• Produce sebum

• Act as sensory mechanoreceptors

• Synthesize melanin pigment

• Present antigens to T-lymphocytes

Which layer of the epidermis contains cells with granules that contain lipids and lipoproteins?

• Stratum Basale

• Stratum Lucidum

• Stratum Spinosum

• Stratum Granulosum

What is the function of Merkel's cells in the epidermis?

• Secrete sebum

• Produce melanin pigment

• Present antigens to T-lymphocytes

• Act as sensory mechanoreceptors

Which layer of the epidermis is responsible for the renewal of keratinocytes through mitosis?

• Stratum Spinosum

• Stratum Corneum

• Stratum Basale

• Stratum Granulosum

What is the main function of sweat glands in the skin?

• Secrete sweat for temperature regulation

• Synthesize melanin pigment

• Act as sensory mechanoreceptors

• Produce sebum to keep skin soft and waterproof