Skin Basics and Functions Quiz

What is the largest and heaviest organ in the body?

• Heart

• Liver

• Skin

• Lungs

Which layer of the skin is responsible for heat regulation and excretion?

• Dermis

• Stratum corneum

• Epidermis

• Hypodermis

Which cell type in the epidermis is responsible for producing melanin?

• Merkel cells

• Langerhans cells

• Melanocytes

• Keratinocytes

What is the function of Langerhans cells in the epidermis?

• Produce melanin

• Recognize and present antigens to the immune system

• Produce sebum

• Enhance detection of light touch

Which layer of the epidermis is only present in thick skin?

• Stratum basale

• Stratum spinosum

• Stratum granulosum

• Stratum lucidum

What is the function of Sebaceous glands in the skin?

• Produce sebum for skin lubrication

• Produce melanin for skin color

• Produce keratin for hair growth

• Produce sweat for thermoregulation

Which type of burn affects the epidermis and part of the dermis?

• First degree burn

• Second degree burn

• Third degree burn

• Fourth degree burn

What is the function of Meissner's corpuscles in the skin?

• Senses pain

• Senses light touch

• Senses heat and cold

• Senses pressure and vibration

Which skin appendage is responsible for warmth, protection, and touch sense?

• Hair

• Sebaceous glands

• Sweat glands

• Nails

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

• Produce sebum for skin lubrication

• Produce sweat for thermoregulation

• Produce melanin for skin color

• Produce keratin for hair growth