the integumentary system

Question 1

What are the primary functions of the integumentary system?

Answer 1

Protection, regulation of body temperature, sensation, and excretion.

Question 2

True or False: The integumentary system includes only the skin.

Answer 2

False

Question 3

Fill in the blank: The outermost layer of the skin is called the _____.

Answer 3

epidermis

Question 4

What is the primary type of cell found in the epidermis?

Answer 4

Keratinocytes

Question 5

What pigment is responsible for skin color?

Answer 5

Melanin

Question 6

True or False: The dermis is thicker than the epidermis.

Answer 6

True

Question 7

What structures are found in the dermis?

Answer 7

Blood vessels, nerves, hair follicles, and glands.

Question 8

What is the function of sweat glands?

Answer 8

To regulate body temperature and excrete waste.

Question 9

Multiple choice: What type of sweat gland is primarily responsible for thermoregulation? A) Apocrine B) Eccrine C) Sebaceous

Answer 9

B) Eccrine

Question 10

What is the role of sebaceous glands?

Answer 10

To produce sebum, which lubricates and waterproofs the skin.

Question 11

Fill in the blank: Hair is primarily composed of a protein called _____.

Answer 11

keratin

Question 12

What is the deepest layer of the skin called?

Answer 12

Hypodermis or subcutaneous layer

Question 13

True or False: The integumentary system plays a role in vitamin D synthesis.

Answer 13

True

Question 14

What type of sensory receptors are found in the skin?

Answer 14

Mechanoreceptors, thermoreceptors, and nociceptors.

Question 15

What is the primary function of the hypodermis?

Answer 15

To insulate the body and absorb shock.

Question 16

Multiple choice: Which type of skin is thicker and contains more layers? A) Thin skin B) Thick skin

Answer 16

B) Thick skin

Question 17

What is the role of Langerhans cells in the skin?

Answer 17

To act as immune cells that detect pathogens.

Question 18

Fill in the blank: The process of shedding dead skin cells is known as _____.

Answer 18

desquamation

Question 19

True or False: The skin can absorb water.

Answer 19

False

Question 20

What is the primary cause of skin aging?

Answer 20

Decreased collagen production and UV damage.

Question 21

What is the difference between first-degree and second-degree burns?

Answer 21

First-degree burns affect only the epidermis, while second-degree burns affect both the epidermis and dermis.

Question 22

Multiple choice: Which skin condition is characterized by red, itchy patches? A) Psoriasis B) Acne C) Eczema

Answer 22

C) Eczema

Question 23

What is the role of melanocytes in the skin?

Answer 23

To produce melanin, which protects against UV radiation.

Question 24

Fill in the blank: The skin acts as a barrier against _____.

Answer 24

pathogens

Question 25

True or False: Nails are made of living cells.

Answer 25

False

Question 26

What is the function of dermal papillae?

Answer 26

To increase the surface area for exchange of oxygen, nutrients, and waste.

Question 27

Multiple choice: Which layer of the skin contains the majority of blood vessels? A) Epidermis B) Dermis C) Hypodermis

Answer 27

B) Dermis

Question 28

What is the primary component of sebum?

Answer 28

Lipids

Question 29

Fill in the blank: The presence of ____ in the skin helps to regulate temperature through sweating.

Answer 29

sweat glands

Question 30

True or False: Skin color can vary due to genetic factors and environmental exposure.

Answer 30

True

Question 31

What type of burn involves blisters and may require medical treatment?

Answer 31

Second-degree burn

Question 32

Multiple choice: What is the main cause of acne? A) Bacteria B) Hormones C) Both A and B

Answer 32

C) Both A and B

Question 33

What is the role of adipose tissue in the hypodermis?

Answer 33

To provide insulation and energy storage.

Question 34

Fill in the blank: The skin helps to regulate body temperature through the process of _____.

Answer 34

vasodilation and vasoconstriction

Question 35

True or False: Skin serves as a sensory organ.

Answer 35

True

Question 36

What are the two main types of sweat glands?

Answer 36

Eccrine and apocrine glands.

Question 37

Multiple choice: Which layer of the skin is primarily responsible for sensation? A) Epidermis B) Dermis C) Hypodermis

Answer 37

B) Dermis

Question 38

What is the primary cause of skin cancer?

Answer 38

Excessive UV radiation exposure.

Question 39

Fill in the blank: The skin barrier is essential for preventing _____.

Answer 39

dehydration

Question 40

True or False: The integumentary system can heal itself after injury.

Answer 40

True

Question 41

What is the basic structural unit of hair called?

Answer 41

Hair follicle

Question 42

Multiple choice: Which vitamin is synthesized in the skin? A) Vitamin A B) Vitamin C C) Vitamin D

Answer 42

C) Vitamin D

Question 43

What is the role of the arrector pili muscle?

Answer 43

To cause hair to stand up, which helps with heat retention.

Question 44

Fill in the blank: The skin's pH is typically _____.

Answer 44

acidic

Question 45

True or False: The skin can be affected by systemic diseases.

Answer 45

True

Question 46

What is the function of the stratum corneum?

Answer 46

To provide a protective barrier composed of dead skin cells.

Question 47

Multiple choice: Which age group is most at risk for developing skin cancer? A) Children B) Adults C) Elderly

Answer 47

C) Elderly

Question 48

What is the primary component of the epidermis?

Answer 48

Stratified squamous epithelium