Ch. 5 Integumentary System Flashcards
A slight sunburn is an example of a _____ burn.
First-Degree
Epidermis is characterized by being _______, whereas dermis is distinguished by being ______.
composed of stratified epithelial tissue; composed of connective tissue
An abrasion of the skin results in which of the following?
portal of entry of micrrorganisnm
A malfunction of the process of keratinization results in the condition known as
psoriasis
The diagram illustrates glands of the skin. What does “C” represent?
Eccrine Sweat Gland
Albinism develops due to
inherited mutant gene for melanin
In which layer of the epidermis are granules of keratohyalin formed?
Stratum Granulosum
The epidermis
Contains no blood vessels (avascular)
Acne is caused by
testosterone
sebum
abnormal keratinization of follicles
Propionibacterium
*All of these are factors
Eccrine sweat glands
aid in cooling the body
Integumentary System consists of what?
Skin, hair, glands and nails
What are the functions of integumentary system?
- Protection- Helps protect and reduces the harmful effects of the ultraviolet light
- Sensation- Has sensory receptors that can detect heat, cold, pressure and pain,
- Temperature Regulation
- Vitamin D production
- Excretion
List the 5 layers of epidermis
- Stratum Corneum
- Stratum Lucidum
- Stratum Graulosum
- Stratum Spinosum
- Straum Basale
What layer are they keratohyalin granules found in the 5 layers of epidermis?
Stratum Granulosum
Albinism
Is usually a recessive genetic trait that results from inability to produce tyrosinase
The blush tinge of skin due to a reduction of oxygen in the blood is called
cyanosis
Melanin
Is the group of pigments primarily responsible for skin, hair, and eye color
All the following statements concerning hair are true except one. Identify the exception.
The growth rate of all types of hair is the same
Hair growth occurs in cycles, with growth and resting stages.
In pattern baldness, those hair follicles present begin to produce vellus hair.
Some loss of hair is normal and indicates old hairs are being pushed out by new hairs.
*The growth rate of all types of hair is the same
Eccrine sweat glands differ from sebaceous glands
in terms of what is secreted
in their location in the body
because sebaceous glands are associated with hair follicles, whereas sweat glands are not
all of the above
all of the above
The diagram illustrate glands of the skin. What does “A” represent?
Sweat Pore
If you accidentally cut your arm and see connective tissue and fat, which layer(s) was/were cut
stratum corneum
stratum basale
dermis
hypodermis
all of these layers
*all of these layers
What does the structure “B” represent on the diagram?
Dermis