The Integumentary System
Hyperplasia refers to:
Excessive proliferation of cells leading to an increase in the number of cells
Hypertrophy refers to:
Increase in size of an organ, tissue or cells
Which statement is not true of skin?
It has no nerve endings that respond to heat, cold, touch, pressure, vibration and pain.
Which statement is not true of basal cell carcinoma?
It is a fast growing tumor which does not usually metastasize or spread to other areas.
Which statement is not true of squamous cell carcinoma?
It is the most common form of skin cancer.
Diffusion refers to:
Movement of dissolved particles from a higher concentration to a lower concentration
Osmosis refers to:
Movement of water from a dilute solution to a more concentrated solution
Warts that go under and around toenails and fingernail are called:
Periungual warts
Rosacea is a chronic skin disorder that causes:
Persistent facial erythema
Actinic keratosis, also known as ____, is a ____ skin condition.
Solar keratosis, precancerous
What is a papule?
a small bump or pimple
What is a macule?
a small colored spot of skin
What is a vesicle?
a small fluid filled sac
What is a localized inflammation of the skin due to an exposure to an allergen?
contact dermatitis
Apocrine sweat glands release ____ into their secretions which are distributed throughout the body.
cytoplasm
____ is an inflammatory rash accompanied by pruritus, vesicles, flaking and erythema.
dermatitis
D in "ABCDE" stands for:
diameter
Seborrheic keratosis is a benign overgrowth of ____ and probably the most common benign tumor.
epithelial cells
E in "ABCDE" stands for:
evolution
Cells are the largest units that fulfill the functions of life
false
Columnar cells line blood vessels and the alveolar sacs in the lung.
false
Hyperplasia refers to an increase in size of an organ, tissue or cells.
false
Keratinized stratified squamous epithelium provides the lining of our mouth, esophagus, anus and vagina.
false
Nonkeratinized stratified squamous epithelium has the top layer of flat cells that are covered by a layer of dead cells which contain keratin and are coated with a water repellant.
false
Warts that form around the mouth and look like they have a thread sticking out of them are called:
filiform warts
Warts that grow on the arms and legs are called:
flat warts
____ is an infection of a hair follicle.
folliculitis
Tinea capitis is ____contagious and affects ____ in the scalp.
highly, children
____ is an acute highly contagious bacterial skin infection.
impetigo
____ is also known as jock itch and generally affects the groin and thighs.
tinea cruris
____ causes scales to form on the soles of the feet and in between the toes.
tinea pedis
Lysosomes are spherical organelles in the cytoplasm that contain digestive enzymes.
true
Metaplasia refers to the ability of the cell to be able to change from one type of cell to another type of cell.
true
Necrosis refers to cells that are dead and have undergone structural changes.
true
Stroma is the supporting framework of an organ.
true
Transitional epithelium lines the bladder.
true
What is a pustule?
vesicle filled with pus
Stroma refers to:
the supporting framework of an organ
Which statement is not true of vitiligo?
there are no risk factors
____ affects the smooth skin of the body, the arms and the legs.
tinea corporis
What is a wheal?
A localized elevation of the skin that is pale in the center and may have a red periphery and may have itching
Basal cell carcinoma represents ____ of all skin cancers.
80%
Which statement is true of hemangiomas?
-A hemangioma is a red to purple benign tumor made of small blood vessels and capillaries present at birth. -Risk factors for hemangiomas include being a -Laser treatment can reduce the color of the hemangioma.
Which statement is true of Accutane?
-Accutane is used to treat severe acne. -Accutane can cause severe multiple birth defects and miscarriage.
Risk factors for seborrheic keratosis include:
-Age older than 50 -Family history -Sun exposure
Risk factors for actinic keratosis include:
-Fair skinned -Over the age of 40 -History of prolonged intense sun exposure
Necrosis refers to:
Cells that are dead and have undergone structural changes
Seborrheic dermatitis or ____ is a chronic inflammatory skin disorder involving the sebaceous glands and affects ____.
Dandruff, the head and trunk
____ is an infection of hair follicles, and ____ are deeper infections of hair follicles.
Folliculitis, furuncles
Parenchyma refers to
Functioning cells of glands
____ is highly contagious and affects children in the scalp
Tinea capitis
____ is a nail fungus affecting toenails.
Tinea unguium
Dysplasia refers to:
abnormal development of cells
____ is a strong acne medication that is associated with severe multiple birth defects and miscarriage if conception occurs during treatment.
accutane
____ occurs when old skin cells trap sebum and oil in the hair follicles.
acne
____ is a hereditary recessive disorder characterized by the absence of melanin.
albanism
A in "ABCDE" stands for:
asymmetry
What is a chronic dermatitis of unknown etiology that very often occurs in patients with a history of allergy and allergic conditions, such as asthma and hay fever?
atopic dermatitis
____ is another name for eczema.
atopic dermatitis
The most common form of skin cancer is:
basal cell carcinoma
Vitiligo risk factor does not include:
being male
____ is a cluster of furuncles.
carbuncles
Metaplasia refers to:
cells changing to another type of cell
____ is a deep infection that extends to the subcutaneous tissue.
cellulitis
Melasma is also known as:
chloasma
C in "ABCDE" stands for:
color
Which statement is incorrect about seborrheic keratosis?
it is contagious
Melasma is due to increased production of ____ from hormones.
melanin
"ABCDE" are the warning signs for:
melanoma
Ocular albinism affects ____ and is sex-linked.
only the eye
Warts that grow inward on the soles of the feet are called:
plantar warts
The integumentary system ____.
protects the body
____ is a chronic skin disorder characterized by scaling and inflammation. In 80% of the cases it's characterized by raised inflamed lesions with a silvery white scale.
psoriasis
Hemangioma is a ____ made of small blood vessels and capillaries present at birth.
red to purple benign tumor
Atrophy refers to:
reduction in the size of tissue
____ is an inflammatory skin disorder that causes a facial erythema of unknown etiology. It can progress to papules and pustules. It can become severe and the nose becomes swollen and bumpy.
rosacea
Psoriasis is an inflammatory skin disorder that is characterized by ____ and ____.
scaling, inflammation
If left untreated, up to 20% of actinic keratosis will develop ____.
squamous cell carcinoma
Human skin is made up of:
stratified squamous epithelium
Treatment for warts does not include:
strong acid