Ch. 5 - Integument System test questions

Granulation tissue is composed of A) cloted blod B) an extensive capillary network C) fibroblasts D) all of the blood E) none of the blood

all of the above

Why would an elderly person be more prone to skin infections than a younger person? A) skin repairs take longer in the elderly B) the epidermis is thicker in the elderly C) there are fewer dendritic cells in the skin of the elderly D) all of the above E) A and C only

all of the above

Which of the following happens if the body temperature rises above normal A) circulation in the skin decreases B) sweat gland activity decreases C) evaporative cooling stops D) blood flow in the skin increases E) the activity of melanocytes increases

blood flow in the skin increases

All of the following are true of the epidermal ridges except that they A) extend into the dermis B) contain increased nerves of free nerve endings C) cause ridge patterns on the surface of the skin D) produce patterns that are determined genetically E) interconnect with the dermal papillae

contain increased numbers of nerve endings

The two components of the integumentary system are the A) epidermis and hypodermis B) cutaneous membrane and hypodermis C) cutaneous membrane and accessory structures D) integument and hypodermis E) epidermis and superficial fascia

cutaneous membrane and accessory structures

The layer of hard keratin that coats the hair is termed a A) medulla B) cuticle C) hair bulb D) root E) shaft

cuticle

The protein that permits streching and recoiling of the skin is A) collagen B) melanin C) keratin D) elastin E) carotene

elastin

Accessory structures in the skin include all f the following, except A) hair follicles B) sebaceous glands C) sweat glands D) epidermis E) nails

epidermis

The layer of the skin that provides a barrier against bacteria as well as a chemical and mechanical injuries is the A) dermis B) subcutaneous layer C) epidermis D) stratum corneum E) sebum layer

epidermis

At the base of a nail. keratnized skin called the cuticle is also called the A) eponychium B) lunula C) hyponychium D) cerumen E) phalanx

eponychium

Water loss due to evaporation of fluid that has penetrated through the skin is termed ______ perspiration A) sensible B) insensible C) latent D) active E) inactive

insensible

All of the following are true about the subcutaneous layer, except it A) contains many blood vessels B) permits independent movement of deeper structures C) contains large amounts of adipose tissue D) is attached to the dermis by a basement membrane E) is well supplied with nerves that pass into the skin

is attached to the dermis by a basement membrane

The repair of the epidermis after a wound begins as basal cells produce new A) elastic fibers B) collagen fibers C) reticular fibers D) dense connective tissue E) keratinocytes

keratinocytes

Each of the following statements concerning sebaceous glands and sebum is true, except one. Identify the exception A) most sebaceous glands are coiled tubular glands B) most sebaceous glands open into hair follicles C) sebum functions to lubricate the hair and the skin D) sebum can function as an antibiotic E) acne involves inflammation of sebaceous glands

most sebaceous glands are coiled tubular glands

The nail body covers the A) nail root B) nail bed C) lunula D) free edge E) hyponychium

nail bed

Skin can regenerate effectively even after considerate injury has occurred because A) the epidermis of the skin has a rich supply o small blood vessels B) stem cells persist in both epithelial and connective tissue components of the skin even after injury C) fibroblasts in the dermis can give rise to new germinal cells in the epidermis D) contraction in the area of the injury brings cells of adjacent start together E) cells of the stratum germinativum cannot migrate to other positions in the skin

stem cells persist in both epithelial and connective tissue components of the skin eve after injury

The tough horny superficial layer of the epidermis is known as A) stratum corneum B) stratum lucidum C) stratum germinativum D) stratum granulosum E) stratum spinosum

stratum corneum

The layer of the epidermis hat contains abundant desmosomes is the A) stratum corneum B) stratum lucidum C) stratum germinativum D) stratum granulosum E) stratum spinosum

stratum spinosum