Chapter 6
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