Chapter 6

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The " ABCD rule " for recognizing early signs of malignant melanoma refers to the following characteristics of the lesion

Asymmetry , border irregularity , color , and diameter

The hypodermis is characterized by an abundance of which tissue ?

Adipose tissue

is / are formed partly from the secretions of glands in the external ear canal .

Cerumen

Which of the following cells stand guard against toxins , microbes , and other pathogens ?

Dendritic cells

What type of hair is present prenatally and usually replaced by birth ?

Downy ( Lanugo )

Which of the skin layers below is the most superficial ?

Epidermis

The reddish color of the skin of the lips is primarily due to the presence of which pigment ?

Hemoglobin

In which of the following skin layers would a subcutaneous injection be administered

Hypodermis

In whom are fully developed mammary glands found ?

In lactating females

What is the white opaque " moon " often found at the proximal end of a fingernail called ?

Lunule

Which of the following cells is largely responsible for skin color ?

Melanocyte

Which cutaneous glands are concerned with cooling the body ?

Merocrine glands

Which skin color is most likely to result from anemia ?

Pallor

What type of tissue is found in the most superficial layer of skin ?

Stratified squamous epithelium

Which layer of the epidermis consists of up to 30 layers of dead cells ?

Stratum corneum

Which two strata of the epidermis are most susceptible to cancer ?

Stratum spinosum and stratum basale

Which of the following are associated with the sense of touch ?

Tactile cells

burns involve the epidermis , all of the dermis , and often some deeper tissue .

Third degree

The glands are a source of sex pheromones .

abocrine

Mammary glands are modified glands that develop within the female breasts .

apocrine

Basal cell carcinoma initially affects cells of the stratum .

basale

Fingerprints left on things we touch are associated with our

dermal papillae

Secretions from glands contribute to the acid mantle that inhibits bacterial growth on the skin .

eccrine sweat

Variations in hair color arise from differing amounts of

eumelanin and pheomelanin

Skin covering the has sweat glands but no hair follicles

fingertips

The most immediate threat to the life of a patient with severe burns is

fluid loss

Looking at a slide of thin skin under the microscope , you note that the stratum basale is the . layer of the epidermis in from the surface .

fourth

A pilus is a

hair

The base where a hair follicle originates in the skin is known as the

hair bulb

Increased bilirubin levels cause a skin discoloration called

jaundice

The least common , but most deadly , type of skin cancer is

melanoma

A is an elevated patch of melanized skin .

mole

Mitosis in the accounts for growth of the nail .

nail matrix

Leather is made of the layer of the dermis .

reticular

The oil of your scalp is secreted by glands associated with the hair follicles

sebaceous

The fastest rate of mitosis happens in the .

stratum basale

Which layer is seen only in thick skin ?

stratum lucidum

Ethnic differences in skin color are primarily caused by differences in

the quantity of melanin produced


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