Chapter 12

Open Ended

Why do you think it is important for health professionals to understand the different layers and structures of the skin?

Hotspot

Select the Adipose.

Multiple Choice

Which of the following is NOT a function of the integumentary system?

• Regulating body temperature

• Synthesizing vitamin D

• Producing red blood cells

• Protecting against pathogens

Multiple Choice

What is the main function of sebaceous glands?

• Assist with temperature regulation

• Secrete sebum that lubricates skin and discourages growth of bacteria

• Protect dorsal surface of bones

• Synthesize vitamin D

Hotspot

Select the Hypodermis.

Multiple Choice

Which layer of the human skin is made of specialized epithelial tissues and contains no blood vessels or connective tissue?

• Epidermis

• Dermis

• Subcutaneous tissue

• Muscle

Multiple Choice

What is the main function of squamous epithelial tissue in the epidermis?

• To produce melanin

• To form the upper layer and shed flat, scaly cells

• To provide nourishment to the skin

• To produce collagen

Fill in the Blank

Melanocytes produce a pigment called ___.

Multiple Select

Which of the following are found in the dermis?

• Connective tissue

• Blood and lymph vessels

• Sebaceous glands

• All of the above

Multiple Choice

Which substance is released in response to an injury and prevents blood clotting?

• Heparin

• Histamine

• Keratin

• Sebum

Multiple Choice

What are the main functions of the subcutaneous layer of the skin?

• It produces sweat and oil

• It connects skin to muscles and stores fat

• It determines hair color

• It prevents blood clotting

Multiple Select

Which of the following are true about sweat glands?

• They are only found on the scalp

• They are located on almost all body surfaces

• Eccrine glands open onto the skin

• Apocrine glands are found at hair follicles

Fill in the Blank

The evaporation of ___ cools the body.

Multiple Choice

Which part of the nail is responsible for protecting the dorsal surface of the last bone of each finger and toe?

• Nail plate

• Lunula

• Cuticle

• Nail bed

Multiple Choice

What is the function of the nail bed?

• It forms the visible part of the nail

• It nourishes the nail and provides pink color

• It attaches the nail to the finger or toe

• It is the site of new keratin cell formation

Multiple Choice

Which structures are labeled in both the anatomical diagrams of the nail?

• Nail plate, Lunula, Nail bed, Cuticle

• Nail groove, Eponychium, Nail matrix, Free edge

• Nail plate, Nail groove, Nail root, Bone

• Lunula, Nail root, Nail bed, Nail groove

Labelling

Label the structures of the skin.

Drag labels to their correct position on the image

Epidermis

Sudoriferous gland

Dermis

Hair follicle

Arrector pili muscle

Hypodermis

Sebaceous gland

Multiple Choice

Which combining form is related to sweat glands?

• hidr/o

• seb/o

• onych/o

• pil/o