[Practice Test] Amoeba Sisters: Integumentary system

Which layer of the skin consists of cornified cells that are continuously shed off?

• Stratum granulosum

• Stratum corneum

• Stratum basale

• Stratum spinosum

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

• Keratinocytes

• Basal cells

• Melanocytes

• Merkel cells

Which layer of the skin contains blood vessels, sweat glands, hair follicles, and nerves?

• Dermis

• Epidermis

• Stratum corneum

• Hypodermis

What is the function of sebaceous glands in the integumentary system?

• Produce sweat to cool the body

• Produce keratin for nail growth

• Produce oil to waterproof the skin and hair

• Produce melanin for skin color

Which layer of the skin is responsible for constantly doing mitosis and giving rise to keratinocytes?

• Stratum spinosum

• Stratum granulosum

• Stratum corneum

• Stratum basale

What is the main function of the hypodermis in the integumentary system?

• Produce oil to waterproof the skin and hair

• Produce sweat to cool the body

• Store body fat for insulation

• Produce melanin for skin color

Which type of protein in the dermis provides support, while another type gives elasticity?

• Elastin and melanin

• Keratin and melanin

• Collagen and keratin

• Collagen and elastin

What is the main function of the blood vessels in the dermis for temperature regulation?

• Constrict to release heat

• Dilate to conserve heat

• Constrict to conserve heat

• Dilate to release heat

Which accessory structure of the integumentary system helps protect the ends of fingers and toes?

• Sebaceous glands

• Nails

• Hair follicles

• Sweat glands

What can happen if the integumentary system is compromised due to a significant burn?

• Enhanced skin regeneration

• Loss of fluid balance and protection

• Decreased risk of infection

• Increased range of movement