Unit 3 Integumentary System Test Review

The epidermis is composed of 

• simple columnar epi
• adipose tissue
• stratified squamous epi
• dense fibrous c t

The uppermost layer of the skin is

• Full of keratin
• Fed by a good supply of blood vessels 
• Called the dermis
• Called the hypodermis

The tanning effect that occurs when a person is exposed to the sun is due to 

• Langerhans cells
• Keratinocytes
• Melanocytes
• Merkel cells

A needle would pierce through the epidermal layers of the forearm in this order:

• startum basale, stratum granulosum,stratum lucidum, and stratum corneum
• Stratum corneum, stratum granulosum,stratum spinousum, and stratum basale

The layer of the epidermis in which the first cells die because of the inability to get nutrients and oxygen is the

• stratum basale
• stratum granulosum
• stratum spinosum
• stratum corneum

Which of the following homeostatic imbalances is caused by skin exposure to chemicals?

• contact dermatitis 
• athlete's foot
• impetigo
• cyanosis

A thin. clear layer of the epidermis that lies superficially to the stratum granulosum and underneath the stratum corneum and is found on the palms of your hands or soles of feet is called the

• stratum corneum

• stratum spinosum

• stratum basale

• stratum lucidum

Nails are composed of

• sebum

• melanin

• carotene

• keratin

Sudoriferous glands are important because they 

• produce keratin
• keep hair soft and pliable
• produce Vitamin D
• help regulate body temperature

Tags

NGSS.HS-LS1-3

Which of the following is a sign of melanoma?

• a mole that is symmetrical
• A pigmented spot that has smooth borders
• a pigmented spot that contains areas of different colors
• a spot on the skin that is smaller than the size of a pencil eraser