Integumentary System Notes

Multiple Choice

Why is the integumentary system important for the human body?

• It protects the body from external harm and regulates temperature.

• It helps in digestion of food.

• It is responsible for pumping blood.

• It controls voluntary movements.

Multiple Choice

Which of the following are the two major groups of body membranes?

• Epithelial membranes and connective tissue membranes

• Cutaneous and mucous membranes

• Serous and synovial membranes

• Muscular and nervous membranes

Open Ended

How do body membranes contribute to the overall function of the integumentary system?

Multiple Choice

Which type of membrane is found around joints? 

• Serous
• Mucous
• Synovial
• Cutaneous 

Open Ended

List and briefly describe the three types of epithelial membranes.

Multiple Select

Which of the following statements about mucous membranes are correct?

• They line body cavities that open to the exterior

• They are always dry membranes

• They are often adapted for absorption or secretion

• Most secrete mucus, but the urinary tract is an exception

Multiple Choice

Which layer of the serous membrane lines the inside wall of the cavity?

• Parietal layer

• Visceral layer

• Cutaneous layer

• Mucous layer

Multiple Choice

Which serous membrane lines the abdominal cavity and covers the abdominal organs?

• Peritoneum

• Pleura

• Pericardium

• Synovial membrane

Open Ended

Explain the primary function of serous fluid and why it is important for organs such as the heart, lungs, and digestive tract.

Multiple Select

Which of the following structures are lined by synovial membranes?

• Joints

• Bursae

• Tendon sheaths

• All of the above

Multiple Choice

Which layer of the skin contains the hair follicle, sebaceous gland, and arrector pili muscle?

• Epidermis

• Dermis

• Hypodermis

• Stratum corneum

Multiple Choice

Which layer of the skin is superficial and sits on the much thicker layer beneath it?

• Dermis

• Epidermis

• Hypodermis

• Subcutaneous

Open Ended

Describe the process by which new epidermal cells are formed and eventually shed from the skin surface.

Multiple Select

Which of the following statements about keratinocytes is/are correct?

• They produce melanin.

• They make cells tough and water-resistant.

• They store the protein keratin.

• They are found in the dermis.

Open Ended

What role do melanocytes play in protecting the skin from UV radiation?

Multiple Select

Which of the following factors determine skin color?

• Melanin

• Carotene

• Hemoglobin

• Collagen

Multiple Choice

What is the boundary between the epidermis and the dermis called?

• Dermal papillae

• Stratum basale

• Stratum corneum

• Subcutaneous layer

Multiple Choice

Which of the following is NOT a function of the reticular layer of the dermis?

• Contains blood vessels

• Contains sweat and oil glands

• Contains Pacinian corpuscles for deep pressure

• Produces melanin

Open Ended

Explain the roles of collagen and elastin in the dermis and how they contribute to skin function.

Reorder

What is the correct order of epidermal layers from superficial to deep?

• Stratum Corneum

• Stratum Lucidum

• Stratum Granulosum

• Stratum Spinosum

• Stratum Basale

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Multiple Select

Which of the following structures are found in the dermis?

• Pacinian corpuscle

• Sweat duct

• Subcutaneous fat

• Collagen

Multiple Choice

Which of the following statements about apocrine glands is correct?

• They are more numerous than eccrine glands.

• They are concentrated in axillary and genital areas.

• Their ducts open directly onto the skin surface.

• They begin to function at birth.

Open Ended

Compare and contrast eccrine and apocrine sweat glands in terms of their distribution, secretion, and function.

Multiple Choice

What is the main function of the epidermis?

• Protects the body

• Stores fat

• Produces sweat

• Regulates temperature

Match

Match the function of the skin with its description

• Physical barrier against injury.

• Capillaries dilate when your hot and constrict when you are cold.

• Metabolized by sunlight, necessary for bone growth.

• Removes wastes products and produces sweat.

• Detect touch, pressure, heat, cold, pain, etc.

Protection

Temperature control

Vitamin D synthesis

Excretion and secretion

Sensation

• Protection

• Temperature control

• Vitamin D synthesis

• Excretion and secretion

• Sensation

Multiple Choice

What is the function of the arrector pili muscle?

• To secrete sebum
• To produce keratin
• To make hairs stand on end
• None of these

Multiple Choice

A 25 year old female patient has sustained burns to the back of the right arm, posterior trunk, front of the left leg, anterior head and neck, and perineum. Using the Rule of Nines, calculate the total body surface area percentage that is burned?

• 46%

• 37%

• 36%

• 28%

Multiple Choice

A 68 year old male patient has partial thickness burns to the front and back of the right and left leg, front of right arm, and anterior trunk. Using the Rule of Nines, calculate the total body surface area percentage that is burned?

• 40.5%

• 49.5%

• 58.5%

• 67.5%

Multiple Choice

What is the most painful type of burn?

• First-degree burns, because the outer skin is so sensitive
• Third-degree burns, because they are the most severe
• Second-degree burns, because nerve endings are still intact even though tissue damage is severe
• All types of burns are excruciatingly painful

Multiple Choice

Scenario: You and your friends spent a fun day at the beach but forgot your sunscreen. Later that evening you notice blisters across your friend’s back and realize he got sunburned. How bad are the burns?

• first-degree
• second-degree
• third-degree

Multiple Choice

A First Degree Burn damages which layer of the skin?

• Hypodermis
• Dermis
• Epidermis

Multiple Choice

If there is a mole that has grown and changed over time and the mole is reddish, brown with blue specks, indentations on the edge and 10 mm. Should the person be concerned?

• No, this is a basal cell carcinoma most likely with a high successful cure rate.

• Yes, this is most likely a squamous cell carcinoma, which needs to be removed and treated.

• No, this is merely a irregular mole, but nothing unusual.

• Yes, this is most likely a melanoma, which needs to be removed and treated.

Multiple Select

What types of Skin Cancer are there?

• Melanoma

• Bowel

• Basal Cell Carcinoma

• Squamous Cell Carcinoma

• Leukemia

Multiple Choice

When diagnosing melanoma, which of the following does C stand for in ABCD?

• color change

• cyanosis

• cold to the touch

• carotene present

Multiple Choice

When inspecting spots on your skin, which method should you use

• The "F, G, H, I, J" method
• The "A, B, C, D, E" method
• The ignore it method

Multiple Choice

This type of Skin Cancer is the most dangerous

• Basal Cell Carcinoma
• Squamous Cell Carcinoma
• Melanoma

Multiple Choice

When diagnosing melanoma, which of the following does B stand for in ABCD?

• bigger than dime

• Border

• blackish in color

Multiple Choice

Metastasis is

• the spread of cancer from one part of the body to another.
• the growth of tumors in the lungs
• cancer of the blood cells
• cancer that is found in connective tissues

Multiple Choice

In the ABCDE acronym the D indicates

• distance

• diameter

• diagonal

• diamond

Multiple Choice

The ABCDE rule is used to

• measure the extent of a burn

• determine if the skin is producing sufficient amount of vitamin D

• measure the depth of a burn

• look for melanoma

Labelling

Label the structures of the skin.

Drag labels to their correct position on the image

Epidermis

Sudoriferous gland

Sebaceous gland

Arrector pili muscle

Hair follicle

Hypodermis

Dermis

Labelling

Match the labels to the correct area on the image.

Drag labels to their correct position on the image

s. granulosum

s. lucidum

s. corneum

s. basale

s. spinosum

dermis

dermal papilla

basement membrane