Integumentary System Quiz

What are the appendages of the skin?

• Hair

• Nails

• Sweat glands

• All of the above

Which layer of the skin develops from surface ectoderm?

• Hair follicles

• Epidermis

• Dermis

• Sebaceous glands

What is the primary function of eccrine sweat glands?

• Hair growth

• Temperature control

• Nail formation

• Sebum production

During which month does the epidermis acquire four layers?

• 3rd month

• 2nd month

• 4th month

• 5th month

What condition is characterized by excessive keratinization of the skin?

• Ichthyosis

• Hypertrichosis

• Atrichia

• Seborrhea

What type of cells synthesize melanin in the skin?

• Adipocytes

• Keratinocytes

• Melanocytes

• Fibroblasts

What is the congenital absence of hair called?

• Hypertrichosis

• Seborrhea

• Atrichia

• Alopecia

Which glands are modified sweat glands?

• Sebaceous glands

• Mammary glands

• Eccrine glands

• Apocrine glands

What is the primary role of sebaceous glands?

• Development of nails

• Formation of hair

• Production of sebum

• Secretion of sweat

What is the first type of hair that appears during development?

• Lanugo hair

• Coarse hair

• Vellus hair

• Terminal hair