22 integumentary system SB

Which of the following are characteristics of a hair follicle?

1 It is inferior to the shaft. 2 Keratinocytes are the most abundant type of cells. 3 It is a tubelike depression made up of epithelial tissue.

Which of the following are true of psoriasis?

1 Outbreaks present with red, itching skin and silvery, scaly skin lesions. 2 It is a chronic inflammatory skin condition.

Basal cell carcinoma

Accounts for 90% of all skin cancer in the US and is the slowest and less likely type of cancer to spread

Melanocytes

Are responsible for skin color ranging from yellow to brownish

Alopecia

Baldness

Hemoglobin

Carries oxygen in red blood cells

Herpes zoster

Caused by the varicella virus, this is responsible for causing chickenpox and shingles.

Which of the following is a characteristic of psoriasis?

Chronic, inherited, autoimmune, inflammatory skin disorder

Stratum basale

Deepest layer of the epidermis

Stratum basale ||

Deepest layer of the epidermis of the skin

What is the most superficial layer of the skin?

Epidermis

Third-degree burn

Involves all layers of skin and often underlying structures, such as muscles and bones; skin frequently looks black or charred; also known as a full- thickness burn

First-degree burn

Involves only the epidermis and characterized by pain, redness, and swelling; also known as a superficial burn

Second-degree burn

Involves the epidermis with pain, redness, swelling, and blisters; also known as a partial-thickness burn

Squamous cell carcinoma

Less common than basal cell carcinoma but more likely to spread to surrounding tissues; most likely sites affected are the lips, face, ears, and backs of hands

Keratin

Makes skin resistant to abrasion and infection

Dermis

Middle of the skin, which contains connective tissue, nerve endings, hair follicles, sweat glands, and oil glands

Malignant melanoma

Most aggressive type of skin cancer; its incidence is growing

Keratinocyte

Most common cell type in the epidermis of the skin

Eccrine gland

Most numerous type of sweat gland; they produce a watery type of sweat and are activated primarily by heat

Stratum corneum

Most superficial layer of the epidermis

Stratum corneum

Most superficial layer of the epidermis of the skin

Epidermis

Most superficial layer of the skin

Epidermis

Most superficial layer of the skin, consisting of many layers of tightly packed cells

Sebaceous refers to what?

Oil

Sebum

Oily substance produced by sebaceous glands

Melanin

Pigment deposited throughout the layers of the epidermis

Which of the following is a highly contagious condition of the skin that causes itching produced by a mite that burrows under the skin?

Scabies

Which of the following type of tissue can lead to less functionality of the skin tissue?

Scar

Which of the following is the external covering of the body and the largest multifunctional organ of the integumentary system?

Skin

Which of the following is NOT a form of skin cancer?

Small cell carcinoma

From which layer of skin are fingernails and toenails derived?

Stratum corneum

Which of the following is NOT a layer of the skin?

Sudoriferous

Sudoriferous

Sweat gland

Herpes simplex

The most common types are 1 (occurring above the waist) and 2 (occurring below the waist).

Folliculitis

This condition is commonly known as "swimmers rash," and inflammation of the hair follicles is a classic sign.

Cyanosis

Turns the skin a bluish color due to a lack of oxygen

Subcutaneous

Under the skin

Medications given in the subcutaneous area are given in __________tissue because this is where the medication is best absorbed.

adipose

The____________ muscles are responsible for "the hair on the back of your neck to stand up" (become erect) when a person is cold or, nervous or "gets a creepy" feeling.

arrector pili

The ____________contains a variety of tissue types and accessory organs.

dermis

Injured skin is inflamed and looks red because the nearby blood vessels

dilate,

The 2 layers of the __________are the stratum corneum and the stratum basale.

epidermis

The stratum corneum is the most superficial of the 2 layers of the_________ and it consists of dead, flat cells.

epidermis

Inflamed skin is often painful because the excess __________activates pain receptors.

fluid

Inflammation of the hair follicle is called

folliculitis.

Melanocytes in the hair follicles create melanin and distribute pigments to create hair color. A person develops hair when melanocytes produce less melanin.

gray

Benign tumors of the blood vessels are also known as

hemangiomas.

The __________is the third layer of skin and is connected to the epidermis via the dermis.

hypodermis

Vasodilation of the blood vessels in the skin

increases heat loss.

The more _________in skin, the darker it is.

melanin

The dermis is the ________layer of skin.

middle (second)

The __________holds the nail to the underlying skin and provides it with nutrients.

nail bed

The sebaceous glands produce a(n) _________secretion.

oily

Sebum is a(n)

oily substance produced by sebaceous glands.

The function of the nails is to ______the fingers and toes.

protect

The ________of a burn indicates the thickness of the injury.

severity

When the skin is exposed to _________the skin produces a molecule that is turned into vitamin D.

sunlight

Sudoriferous glands are

sweat glands.

Which of the following are layers of the skin?

1 Dermis 2 Epidermis 3 Hypodermis

Which of the following are characteristics of scabies?

1 Severe nocturnal itching with redness of the skin is usually the only symptom. 2 Treatment with a topical prescription medication is required to get rid of the mites. 3 A pencil-like mark is seen where the mite burrows under the skin. 4 Because scabies is highly contagious, it is wise to treat the entire family if 1 member is infected.

What are the skin's accessory organs?

1 Sudoriferous glands 2 Nails 3 Sebaceous glands 4 Hair follicles

Which of the following statements are true regarding the sudoriferous glands?

1 The majority of the sudoriferous glands are located in the dermis. 2 Apocrine glands are most concentrated in areas of skin with coarse hair, such as the armpit and groin. 3 Eccrine glands are most numerous of the 2 types. 4 Apocrine glands produce a thick, protein-based sweat. 5 The two types of sweat glands are eccrine and apocrine.

Which of the following are indicative of herpes simplex?

1 Two types are identified. 2 Painful sores appear on the lips, mouth, and face or genitals, depending on the type. 3 Only palliative treatment is available at this time for herpes simplex. 4 Both types are caused by a virus.

Which of the following are primary lesions?

1 Wheals 2 Papules 3 Tumors 4 nodule 5 vesicles

The integumentary system consists of skin and accessory organs which are:

1 hair follicles 2 nails 3 sebaceous glands 4 sudoriferous glands