Integumentary system

Question 1

Functions of the Integumentary System

Answer 1

Protection, Heat Regulation, Secretion and Excretion, Sensation, Absorption, Synthesis of Vitamin D

Question 2

Epidermis

Answer 2

is the outermost layer of the skin

Question 3

The Stratum Lucidum

Answer 3

is a very thin, nearly invisible layer of clear cells

Question 4

The Stratum Granulosum

Answer 4

consists of cells that look like granules. These cells are almost dead and undergo a change into cells of the more superficial layer.

Question 5

Collagen

Answer 5

makes up about 70 percent of the dry weight of the skin and gives it strength, form and flexibility

Question 6

Reticulum Fiber

Answer 6

form a fine branching pattern in connective tissue that helps link the bundles of collagen fibers

Question 7

Elastin

Answer 7

is a protein that has elastic properties and helps give the skin resiliency

Question 8

Papillary

Answer 8

is a layer of the skin containing papillae, the cone-like projections made of fine strands of elastic tissue that extend upward into the epidermis. Some of the papillae contain looped capillaries; others contain terminations of sensory nerve fibers called touch receptors.

Question 9

Reticular

Answer 9

is a layer of skin contains fat cells, blood and lymph vessels, sweat and oil glands, hair follicles, and nerve endings

Question 10

Subcutaneous Tissue

Answer 10

is regarded as a continuation of the dermis, super fascia, which connects the skin with the underlying structures.

Question 11

Free Nerve Endings

Answer 11

These are the most prevalent and numerous receptors that are sensitive to temperature differences both hot and cold, light touch, and light pressure.

Question 12

Merkel Disc

Answer 12

these are sensitive to light touch and are highly concentrated in the fingertips, lips, and external genitalia

Question 13

Ruffini Corpuscles

Answer 13

These are sensitive to deep pressure and tissue distortion

Question 14

Athlete’s Foot

Answer 14

thrive in moist environments but respond well to antifungal preparations

Question 15

Allergy

Answer 15

is a sensitivity that certain persons develop to normally harmless substances

Question 16

Dermatitis

Answer 16

is an inflammatory condition of the skin. The lesions come in various of forms, such as scales, vesicles, and papules.

Question 17

Albinism

Answer 17

is a congenital absence of melanin pigment in the body that affects the color of skin, hair and eyes.

Question 18

Arrector Pili

Answer 18

when the body temperature drops, smooth muscle that attaches to each hair is, arrector Pili, forcing the hair to stand up

Question 19

Sudoriferous Glands

Answer 19

emerge from deep in the skin to the surface directly though tubes. Sweat

Question 20

Sebaceous Glands

Answer 20

are glands that connect to the hair, and produce oil (sebum)

Question 21

Nociceptors

Answer 21

are a type of sensory receptor that detects the sensation of pain

Question 22

Meissner’s Corpuscles

Answer 22

are sensory receptors that are very superficial in the skin, and detect light pressure

Question 23

Pacinian Corpuscles

Answer 23

are sensory receptors that are very deep in the skin, and detect deep pressure