Chapter 5, practice quiz study flash cards

Skin without keratin would be more likely to:

Stratum lucidum is found in all types of skin covering the entire body. T/F

The nail body covers the:

What does cyanosis signify?

The cuticle around a nail is the:

The type of burn that may require a skin graft is a:

The ABCDE rule is used to distinguish normal moles from:

Thomas is deaf, but can feel the vibrations of music through sensory receptors in his skin called:

What part of the hair is removed during shaving?

Which layer of the epidermis is characterized by prominent cytoplasmic granules in the cells?

Under what conditions would the skin produce sweat and experience cutaneous vasodilation?

Which sensation is NOT detected by the skin?

Which of the following is a yellow-orange skin pigment?

Nail growth occurs at the nail:

The most superficial layer of the dermis is the:

Vesicles known as melanosomes are taken into the cytosol of keratinocytes by endocytosis. The melanosome is transported to the superficial side of the keratinocyte to shield its nucleus. T/F

What do vellus hairs lack?

What do dead keratinized cells form?

We have unique patterns on our fingers, toes, palms, and soles created by:

Why is vitamin D necessary?

Thin skin contains:

Extreme stretching of the reticular layer of the dermis results in tension, or cleavage, lines. T/F

How do melanocytes and keratinocytes work together to protect the skin from UV damage?

All types of sweat glands release their products by exocytosis, a type of secretion known as merocrine secretion. T/F

The rule of nines is used to estimate the percentage of body surface area affected by:

The ABCDE rule divides the body into 11 areas, each representing 9% of the total body surface area to estimate the percent of the body affected by burns. T/F

The skin has three components: the epidermis, dermis, and hypodermis. T/F

What tissue composes the epidermis of the skin?

All cells in the epidermis arise from mitotic activity in stratum:

What structure stands hairs on end, causing piloerection?

Squamous cell carcinoma arises from:

Tommy fell and skinned his knee. The scrape did not bleed. He must have only damaged the:

The most common skin cancer is squamous cell carcinoma. T/F

Hairs grow from cells in the matrix of the root that are still undergoing keratinization. T/F

Despite the strength of the dermis, it is subject to tearing. How might a person know that the dermis has been previously stretched and/or torn?

The least common — but most dangerous — skin cancer is:

From deep to superficial, what is the correct order of the layers of the epidermis?

Which of the following occurs if body temperature rises above normal?

The "rule of eights" is used to estimate the percentage of body surface affected by burns for infants weighing less than 10 kg. T/F

Subcutaneous injections involve administration of medicine into the:

Frequent handwashing removes the antimicrobial secretions of:

The epidermis is:

The most superficial component of the skin is the:

Thin skin lacks stratum:

What stimulates the secretion of sebum?

Melanin is produced upon exposure to:

For a male post-puberty, the majority of vellus hairs have transitioned to:

The skin eliminates small amounts of waste products in sweat, a process known as excretion. T/F

Trauma to stratum basale would NOT interfere with the skin's ability to:

A splinter penetrated into the skin on the palmar surface of the hand. The splinter nearly reached stratum basale of the epidermis. What is the final layer injured by this splinter?

The rule of nines is used to distinguish the various types of skin cancers from one another. T/F

What type of intercellular junction bands together adjacent cells, making the epidermis stronger?

The main components of the skin are the:

Which stratum has the most metabolically active keratinocytes?

Carotene and hemoglobin are two pigments that contribute to skin color in minor ways. T/F

Where is thick skin located?

What tissue composes the reticular layer of the dermis?

Jill is blind and often uses braille (a system of raised dots) to read her school assignments. What cell in the stratum basale of the epidermis helps her discriminate between the textured dots?

A callus may develop when both thin and thick skin are subjected to repeated pressure. Which layer of the epidermis develops the callus?

The papillary layer of the dermis consists of loose connective tissue that is built for warmth and insulation. T/F

Which of the following cells is associated with the dermis?

Humans often purchase antiperspirants and deodorants to suppress and mask the odors of secretions from the:

What role do the dermal papillae play in the dermis?