Integumentary skin & disease( A&P) Flashcards
Compare and contrast pemphigus and the diskoid form of lupus erythematosus (DLE) in terms of the underlying cause and the characteristic skin lesions.
Both are autoimmune diseases.
Pemphigus is characterized by the presence of vesicles (bullae/blisters)
DLE is characterized by papules.
What is the difference between pruritus and urticaria? Which is a sign and which is a symptom?
Pruritus means itching, And is a symptom,
urticaria refers to the elevated red patches on the skin and is a sign.
Name several pigments that can give color to skin, and identify their sources.
-The main skin pigment is melanin .
-Hemoglobin gives skin a reddish color, but when hemoglobin is deficient or blood flow is abnormally low, the skin has a bluish appearance.
-Circulating bile pigments from the liver can give the skin a yellowish color.
Some dietary pigments can also give color to the skin. For instance, the carotene in some vegetables can give skin a yellow to orange color.
Briefly describe two ways in which the skin helps maintain constant body temperature. Make sure you name the specific skin structures involved.
The eccrine sweat glands release a watery solution onto the skin, which evaporates and thereby cools the body.
The blood vessels in the dermis can dilate to increase heat loss to the environment (under hot conditions) or constrict to minimize heat loss from the body (under cold conditions).
A vesicle filled with pus is called a(n) _____________.
pustule
Mr. L is blushing. The redness in his skin reflects the presence of a blood pigment called ___________.
hemoglobin
Tissue death can result in a deep lesion called a(n) __
ulcer
A surface skin lesion that is small, round, and neither raised nor depressed is called a(n) _______
macule
Inflammation of the skin is called _________
dermatitis
Ms. L, aged 15, suffers from blackheads and pimples on her face and neck. The most likely diagnosis is
acne vulgaris
A small sac full of fluid is called a(n) A) ulcer B) fissure C) vesicle D) nodule
C) vesicle
Which of the following is NOT a function of skin? A) breathing B) excretion C) sensation D) regulation of body temperature
A) breathing
An excoriation is a(n) A) ulcer B) scratch C) macule D) nodule
B) scratch
The maintenance of constant body temperature would be difficult without the actions of the A) apocrine glands B) meibomian glands C) sebaceous glands D) eccrine glands
D) eccrine glands
The glands that become blocked, resulting in blackheads, are called A) eccrine glands B) sebaceous glands C) ceruminous glands D) apocrine glands
B) sebaceous glands
A pimple is an example of a(n) A) papule B) eruption C) macule D) keloid
A) papule
A decubitus ulcer is a(n) A) pimple B) rash C) bedsore D) laceration
C) bedsore
Another name for eczema is A) atopic dermatitis B) acne vulgaris C) scleroderma D) psoriasis
A) atopic dermatitis
The scientific name for itching is A) pruritus B) scleroderma C) impetigo D) shingles
A) pruritus
Shingles is caused by the same virus that causes A) mumps B) influenza C) polio D) chickenpox
D) chickenpox
Mr. M has erythematous flat areas on his arms and legs that are covered with silvery scales. His father also has the same skin condition. The most likely diagnosis is A) atopic dermatitis B) psoriasis C) impetigo D) shingles
B) psoriasis
The best treatment for shingles would be a(n) A) vermifuge B) antibiotic C) antiviral drug D) immunosuppressant
C) antiviral drug
Watery vesicles on the skin and mucous membranes are caused by A) herpes simplex virus B) herpes zoster virus C) human papillomavirus D) ringworm
A) herpes simplex virus
Which of the following diseases is caused by a fungus? A) ringworm B) verruca C) eczema D) acne vulgaris
A) ringworm
Alopecia resulting from cancer treatment is a(n)
A) autoimmune disorder
B) iatrogenic disease
C) mycotic disease
D) disease that can be treated with antibiotics
B) iatrogenic disease
Ms. L, aged 2, has pustules over her arms and legs. The fluid in the pustules contains many circular bacteria organized in clusters when viewed under the microscope. The most likely diagnosis is A) impetigo B) shingles C) herpes D) psoriasis
A) impetigo
