Integumentary System Assesment

What percent of the skin makes up our total body weight?

16%

What are the five functions of the skin? Be able to explain *constructed response*

Protection

Regulates water loss

Produces vitamin D

Gathers sensory information

Regulates body temperature

What is the body membrane that refers to the skin and is dry?

Cutaneous membrane

What is the body membrane that lines cavities open to the external environment?

Mucous membrane

What are the 4 functions of body membranes?

1. Cover body surfaces

2. Line body cavities

3. Forms protective sheets around organs

4. Lubricates organs to reduce friction

How do you prevent decubitus ulcers (bedsores)?

Repositioning yourself to avoid stress on the skin

What are the layers of the epidermis from superficial to deep?

Superficial→Deep:

1. Stratum Corneum

2. Stratum Lucidum

3. Stratum Granulosum

4. Stratum Spinosum

5. Stratum Basale

What are dermal papillae and what layer of the skin it is located in?

The dermal papillae are fingerlike projections that extend towards the epidermis in the upper papillary layer of the dermis.

What is the skin cancer that is the result of an overproduction of cells in the stratum basale?

Basal Cell Carcinoma

What is the disorder that causes bluish cast to the skin?

Cyanosis

If melanin is absent from the body, what disease does the individual have?

Albinism

A viral infection that can be around the mouth or genital area is?

Herpes simplex virus (HSV)

A fungal infection that occurs between the toes and is highly contagious is?

Athlete’s foot

What are the glands that have large concentrations under the arms, palms of hands, soles of feet? (secretes sweat)

Eccrine sweat (sudoriferous) glands

What contracts to raise hair on end? (also known to give us goosebumps)

Arrector pili muscles

Body Membranes (read everything about epithelial and connective membranes)

What cells produce keratin?

Keratinocytes

What is the connective tissue membrane?

Connective membranes include the synovial membranes, which are joints.

1. composed of areolar connective tissue layer

2. contains no epithelial cells

3. Lines fibrous capsules surrounding synovial joints (shoulder and knee)

4. Secretes a lubricating fluid to prevent friction

Which ayer of the epidermis that undergoes mitosis?

Stratum Basale

Which layer is found only in the palms of the hands and soles of the feet?

Stratum Lucidum

Which layer has dead cells and shed regularly

Stratum Corneum

Skin eruptions (know pictures and match descriptions)

(skin and disease slideshow)

What is the name of the oil that is produced by the sebaceous gland?

Sebum

What are the three factors that contribute to the color of the skin? 

1. Melanin

2. Carotene

3. Hemoglobin

What are the three types of serous membranes and what organs they line 

Peritoneum: Serosal lining of the abdominal cavity

Pleura: Serosal lining around the lungs

Pericardium: Serosal lining around the heart

What is parietal?

Outermost lining of the ventral cavity

What is visceral?

Innermost lining that covers the outline of the organ that the membrane surrounds

What is the clear fluid between parietal and visceral to minimize friction?

Serous Fluid

Integumentary system maintains ___________by protecting the body from outside agents and minimizing a stable body temperature.

What cells of the epidermis that ingest foreign substances and activate the immune system?

Langerhans Cells

What is the ABCDE rule of skin cancer and explain each?

Determines the presence of melanoma:

A: Symmetry- Shape of mole is irregular

B: Outside borders are not smooth

C: Several colors present

D: Diameter is larger than a pencil eraser

E: Evolving- changing shape, size, and color rapidly over time

You will have to know diseases in order of severity such as the skin cancer

An appendage of the integumentary system that is made up of dead, keratinized cells. It is located over the entire surface of the body except the palms, soles, and lips. It includes a root, a follicle, and a shaft. 

Hair

There are three types of serous membranes (peritoneum, pleura, pericardium). What are their functions?

Line body cavities

Which layer of the skin is dense and contains fibrous connective tissues that have a rich supply of blood vessels, nerves, and hair follicles? It has 2 layers.

Dermis

Which layer of the skin provides the first barrier of protection and has 5 layers?

Epidermis

What is the part of the nail that is also known as the nail body and made up of keratin? It is the actual fingernail. 

Nail plate

Difference between 1st, 2nd, and 3rd degree burns

1st degree: Only in epidermis (redness, pain, no blistering)

2nd degree: epidermis and some dermis (redness, pain, and blistering)

3rd degree: Epidermis, dermis, and hypodermis destroyed (damage to nerve endings, exposure to direct fire).

When someone has jaundice, what color is their skin, eyes, or mucous membranes? The word element is jaund/o.

Yellow