Anatomy Skin Facts & Myths; Questions

Question 1

List 5 functions of the integumentary system

Answer 1

The five major functions of the integumentary system consist of protection, temperature regulation, synthesis and storage of nutrients, sensory reception, and excretion and secretion.

Question 2

FACT OR MYTH: The integumentary system consists of the skin, which is the largest organ in the human body.

Answer 2

Fact

Question 3

FACT OR MYTH: There are three main layers of the skin: the epidermis, the dermis, and the hypodermis.

Answer 3

Fact

Question 4

FACT OR MYTH: It acts as a protective barrier, protecting several parts of the body, like internal organs and muscles.

Answer 4

Fact

Question 5

FACT OR MYTH: Nails are also included in the integumentary system. Your fingernails grow about 3.5 mm a month, while toenails are much slower, growing at only about 1.6 mm per month.

Answer 5

Fact

Question 6

Necrosis means

Answer 6

tissue death

Question 7

FACT OR MYTH: The thickness of your skin is different depending on where the skin is located on your body. For instance, the skin on your eyelids is much, much thinner than the skin on the soles of your feet.

Answer 7

Fact

Question 8

FACT OR MYTH: Hair is included as well in the integumentary system. The number of hair follicles that a human has is set at birth and does not increase with age!

Answer 8

Fact

Question 9

FACT OR MYTH: The skin contains many sensory receptors. Due to these, we are able to feel things, like touch, temperature, and pain.

Answer 9

Fact

Question 10

FACT OR MYTH: As mentioned above, glands are also included in this system. Sweat glands are an important one. These glands produce about 1-1.5 liters of sweat on the daily.

Answer 10

Fact

Question 11

FACT OR MYTH: Melanin is something that I found interesting. It is the pigment that gives color to your skin. Along with this, it also serves as a natural sunscreen. Melanin offers some protection against sun damage as well.

Answer 11

Fact

Question 12

FACT OR MYTH: Blood vessels in the skin respond differently to heat versus cold. When your body is hot, the blood vessels dilate in order to release heat. When your body is cold, blood vessels constrict in order to conserve heat!

Answer 12

Fact

Question 13

Areas that experience repeated friction or pressure can form tough, thick skin known as a

Answer 13

callus

Question 14

The skin’s scientific name is

Answer 14

cutaneous membrane

Question 15

The skin releases as much as ________ gallons of sweat a day in hot weather.

Answer 15

three

Question 16

Body odor comes from a second kind of sweat- a fatty secretion produced by the apocrine sweat glands, found mostly around the armpits, genitals, and anus. The odor is caused by bacteria on the skin _________________________.

Answer 16

eating and digesting those fatty compounds.

Question 17

There are 2 different types of skin:

Answer 17

Glabrous skin wish is non-hairy, and hairy skin.

Question 18

What are three things that constrict blood vessels and prevent nutrients from feeding the skin, therefore speeding up the aging process.

Answer 18

caffeine, nicotine, alcohol

Question 19

help regulate skin temperature by constricting, which can create goosebumps that trap air and help insulate it.

Answer 19

arrector pili muscle

Question 20

WHAT ARE SOME DIFFERENT WAYS YOUR SKIN HELPS KEEP BODY TEMPERATURE IN HOMEOSTASIS - KNOW AT LEAST FOUR WAYS.

Answer 20

Sweating - Sweating absorbs heat from the body, which helps to cool you down whenever you are hot, or getting overheated.
Insulation - The layer of fat beneath the skin acts as insulation by trapping the heat within the body helping to keep the body warm.
Vasodilation - Blood vessels near the surface of the skin dilate in response to heat. This helps more heat to be lost to the environment.
Vasoconstriction - Blood vessels in the skin narrow in response to cold. This helps keep the blood closer to the body’s core.

Question 21

Human hair grows faster in warm weather because…

Answer 21

warm weather stimulates hair growth

Question 22

Does trimming your hair influence hair growth?

Answer 22

no

Question 23

What color hair consists of the least amount of hair on the head, the most, and the middle?

Answer 23

Red is the least, blonde is the most, and dark/black is the middle!

Question 24

What makes a nail hard?

Answer 24

Keratin

Question 25

What is the little “half moon” on the bottom of your thumb called?

Answer 25

lumula

Question 26

caused by blocked pores of hair follicles/sebaceous glands which trap oil and dead skin cells beneath.

Answer 26

Acne

Question 27

linked to an overactive response by the body’s immune system to unknown triggers.

Answer 27

Eczema

Question 28

commonly found in families with a history of other allergies or asthma.

Answer 28

Eczema (atopic dermatitis)

Question 29

common skin condition that causes rapid skin cell reproduction resulting in red, dry patches of thickened skin. Commonly affects the skin of elbows, knees, and scalp. (Non-curable)

Answer 29

Psoriasis (Plaque psoriasis)

Question 30

infections cause a round or oval rash that may be peeling, cracking, scaling, itching, and red. Sometimes the rash forms blisters, especially on the feet.

Answer 30

Tinea corporis (ringworm)

Question 31

Groups of small blisters on the lip and around them mouth. The skin around the blisters is often red, swollen, and sore usually goes away after 2 weeks.

Answer 31

cold sores/oral herpes

Question 32

Local growths in the skin

Answer 32

common warts

Question 33

Caused by human papillomavirus (HPV) infection.

Answer 33

warts

Question 34

An itchy rash of spots that look like blisters can appear all over the body and be accompanied by flu-like symptoms.
Caused by Varicella zoster virus (VZV)

Answer 34

Chickenpox

Question 35

It causes pain and often causes a rash on one side of the torso, left or right. is most common in older adults and people who have weak immune systems because of stress, injury, certain medicines, or other reasons.

Answer 35

shingles

Question 36

an itchy, highly contagious skin condition caused by an infestation by the itch mite. Mites do not live long away from the body. Mites burrow into the skin to produce a rash and intense itching, which tends to be worse at night.

Answer 36

scabies

Question 37

is a pigmentation disorder in which melanocytes in the skin are destroyed. As a result, white patches appear on the skin in different parts of the body (hari, skin, eyes).

Answer 37

vitiligo

Question 38

is a fungal infection that usually begins between the toes. It commonly occurs in people whose feet have become very sweaty while confined within tightfitting shoes. SIgns and symptoms of athlete’s foot include a scaly rash that usually causes itching, stinging, and burning. related to other fungal infections such as ringworm and jock itch

Answer 38

Tinea pedis (athlete’s foot)

Question 39

is a common inflammatory skin condition that mainly affects your scalp. It causes scaly patches, red skin and stubborn dandruff.can also affect oily areas of the body, such as the face, sides of the nose, eyebrows, ears, eyelids and chest. is also called dandruff. For infants, the condition is known as cradle cap and causes crusty, scaly patches on the scalp.

Answer 39

Seborrheic dermatitis —– cradle cap

Question 40

Red, bumps, itching skin
Caused by the oil urushiol
Treatment: Antihistamines, calamine lotions, prescription steroids.

Answer 40

poison ivy

Question 41

What structurally happens in the skin to cause wrinkles?

Answer 41

The breakdown of collagen which reduces the skin’s fitness and support.
The loss of elastin fibers, making the skin less able to snap back after stretching.
Thinning of the epidermis, the outer layer of the skin becomes thinner causing less protection and more visible wrinkles.
Reduced hydration in the skin bc of lower oil production contributes to dryness and visible lines.

Question 42

What factors cause your skin to wrinkle?

Answer 42

Smoking
UV Radiation
Poor nutrition
Aging

Question 43

What changes happen to the Integumentary system as you age?

Answer 43

You produce less sweat as you age.
You produce less oil as you age.
The skin becomes thinner.
You produce less collagen.
Hair changes by thinning, turning gray, slowed growth, etc.

Question 44

YOU CAN DO IT AK

Answer 44

YOU ARE RIGHT THERE!