What is the largest organ of the body?

• Liver

• Heart

• Lungs

• Skin

Which layer of skin is the outermost?

• Dermis

• Hypodermis

• Epidermis

• Subcutaneous

What type of cells produce melanin?

• Keratinocytes

• Langerhans cells

• Melanocytes

• Merkel cells

Which layer of the dermis contains most of the collagen?

• Hypodermis

• Epidermis

• Reticular layer

• Papillary layer

What is the primary function of the sebaceous glands?

• Produce ear wax

• Produce oil

• Produce milk

• Produce sweat

Which type of skin is found on the palms and soles?

• Thin skin

• Thick skin

• Sensitive skin

• Dry skin

What is the function of Langerhans cells?

• Produce keratin

• Involve in immune response

• Sense touch

• Regulate temperature

What pigment gives skin its color?

• Carotene

• Hemoglobin

• Melanin

• Cholesterol

What is the primary function of the hypodermis?

• Secretion

• Sensation

• Insulation and fat storage

• Protection

Which layer of the epidermis is responsible for cell division?

• Stratum corneum

• Stratum granulosum

• Stratum basale

• Stratum lucidum