Quiz 5

Which of the following layers contain blood vessels? A. Stratum corneum B. Stratum basale C. Stratum granulosum D. Papillary dermis E. None of the above

D. Papillary dermis

Which skin disorder causes damage to keratinocytes of the stratum spinosum? A. Basal cell carcinoma B. Eczema C. Melanoma D. Squamous cell carcinoma

D. Squamous cell carcinoma

Because the skin sloughs off on a regular basis, the most superficial layer of the epidermis is primarily composed of what type of tissue? A. Simple Columnar epithelium B. Simple squamous epithelium C. Cuboidal epithelium D. Stratified squamous epithelium E. Pseudostratified epithelium

D. Stratified squamous epithelium

This stage is described as when the follicle enters a period of rest. It lasts about 3 to 4 months and the old hair falls out. A. Anagen B. Catagen C. Keratin D. Telogen

D. Telogen

The skin acts as a sense organ that detects which of the following? A. Grit, microbes and chemicals B. Infection, swelling, and pain C. Sun, sweat, and redness D. Touch, temperature, and pain

D. Touch, temperature, and pain

Which of the following is NOT part of the epidermis? A. Stratum basale B. Papillary layer C. Reticular layer D. Two of the Above are NOT part of the epidermis E. All of the above are part of the epidermis

D. Two of the Above are NOT part of the epidermis

Which of the following skin conditions results from long-term, unrelieved pressure over certain body parts that are bony, leading to death of the overlying tissue? A. Decubitus ulcer B. Bedsore C. Corn D. Keloid E. Two of the above

E. Two of the above

One of the following is NOT an accurate description of the integumentary system. A. About sixteen percent of your body weight B. Consists of only one true layer C. Largest organ system in the body D. Responsible for protection of inner organs

B. Consists of only one true layer

Which gland is primarily responsible for thermoregulation and homeostasis? A. Apocrine gland B. Eccrine gland C. Sebaceous gland

B. Eccrine gland

The body can synthesize Vitamin D when: A. Develop rickets. B. Exposed to UV radiation. C. You drink milk. D. You have soft bones.

B. Exposed to UV radiation.

Similar to the hair, nails grow continuously throughout our lives. Which of the following is furthest from the nail growth center? A. Eponychium B. Hyponychium C. Nail bed D. Nail root

B. Hyponychium

Acne in teenagers happens at such a high rate because: A. Lack of moisturizer B. Puberty C. Team sports D. They do not wash well

B. Puberty

As you are walking down the beach, you see a dead, dry, shriveled-up fish. Which layer of your epidermis keeps you from drying out? A. Stratum Basale B. Stratum Corneum C. Stratum Granulosum D. Stratum Spinosum

B. Stratum Corneum

This is the outermost layer with 15-30 cell layers, and accounts for the bulk of epidermal thickness; Helps prevent the penetration of microbes and the dehydration of underlying tissues. A. Stratum Corneum B. Stratum Granulosum C. Stratum Lucidum D. Stratum Spinosum

A. Stratum Corneum

Eccrine sweat glands ________. A. Act as a moisturizer B. Are present in the skin throughout the body and produce watery sweat C. Are present on hair D. Produce sebum

B. Are present in the skin throughout the body and produce watery sweat

A melanoma develops from a mole. Melanomas have an unusual appearance that can be checked by using the mnemonic, ABCDE. Which of these are correct? A. Asymmetry, Borders, Callus B. Borders, Color, Diameter C. Brown, Circular, Deep D. Color, Depth, Even

B. Borders, Color, Diameter

An individual has spent too much time sun bathing. Not only is his skin painful to touch, but small blisters have appeared in the affected area. This indicates that he has damaged which layers of his skin? A. Dermis only B. Epidermis and dermis C. Epidermis and hypodermis D. Hypodermis only

B. Epidermis and dermis

Which layer of the integument provides the most insulation? A. Dermis B. Epidermis C. Hypodermis D. Reticular Layer

C. Hypodermis

The skin is considered to be an organ because it __________. A. Comprises the largest part of the body B. Has multiple functions ranging from physical protection to homeostasis C. Is made of epithelial tissue and connective tissue

C. Is made of epithelial tissue and connective tissue

What influences the color of skin? A. Amount of vitamin D produced B. DNA of epidermal cells C. Melanin, carotene, and hemoglobin D. Sunlight and folic acid destruction

C. Melanin, carotene, and hemoglobin

Which skin layer has a very thin translucent band of flattened dead keratinocytes packed with a clear protein. A. Stratum Corneum B. Stratum Granulosum C. Stratum Lucidum D. Stratum Spinosum

C. Stratum Lucidum

What is the largest organ of the body? A. Brain B. Liver C. Heart D. Uterus E. Skin

E. Skin

Which of the following glands are closely associated with thermoregulation? A. Eccrine sweat gland B. Apocrine sweat gland C. Sebaceous gland D. Two of the above E. None of the above

A. Eccrine sweat gland

The cuticle of the nail is also known as the _____________. A. Eponychium B. Lunula C. Hyponychium D. Perinychium E. None of the above

A. Eponychium

What is the projection of the thick proximal nail fold commonly called the cuticle also known as? A. Eponychium B. Hyponychium C. Lunula D. Nail root

A. Eponychium

Regarding the ABCDE mnemonic of a skin evaluation, "E" stands for _____________. A. Evolving B. Ever-changing C. Enormous D. Eczema E. None of the above

A. Evolving

This skin layer is the deepest and contains arteries, veins, sweat, sebaceous glands, and pressure receptors. A. Dermis B. Stratum Basale C. Stratum Corneum D. Stratum Granulosum

A. Dermis

Body piercings can cause a wide range of dangers to a person's health. All the following are examples of these EXCEPT for: A. Acne B. Hepatitis C C. Skin infection D. Tetanus

A. Acne

Which gland excretes chemicals that exert subtle effects on the sexual behavior and physiology of other people? A. Apocrine gland B. Eccrine gland C. Sebaceous gland

A. Apocrine gland

Which of these is the muscle attached to the hair follicle and the basal layer of the epidermis, responsible for goosebumps? Which of these is the muscle attached to the hair follicle and the basal layer of the epidermis, responsible for goosebumps? A. Arrector pili B. Hair follicle C. Hair matrix D. Hair root plexus

A. Arrector pili

What happens when the body's temperature drops? A. Arterioles constrict to decrease heat loss B. Blood vessels dilate to increase warmth C. Skin freezes, a condition called frostbite D. Sweat glands activate to produce warmth

A. Arterioles constrict to decrease heat loss

Scarring of skin after wound healing is a natural process. What are the scars that leave a sunken appearance called? A. Atrophic B. Callus C. Decubitus D. Keloid

A. Atrophic

Which of the following cells are primarily responsible for producing the pigment that gives color to the skin? A. Melanocytes B. Keratinocytes C. Merkel cells D. Basal cells E. Langerhans cells

A. Melanocytes

Which of the following receptors responds to vibration? A. Pacinian corpuscle B. Nociceptor C. Chemoreceptor D. Melanocyte E. Keratinocyte

A. Pacinian corpuscle

Collagen lends ________ to the skin. A. Color B. Elasticity C. Structure D. UV protection

C. Structure

Sudoriferous glands are under the control of the _____ nervous system and are located in the dermis. A. Autonomic B. Parasympathetic C. Sympathetic D. Visceral

C. Sympathetic