Labb

Question 1

What is the main function of the skeletal system?

Answer 1

Supporting the body, protecting organs, producing blood cells, storing minerals

Question 2

True or False: Bones are made up of living cells.

Answer 2

True

Question 3

What is the outer layer of bone called?

Answer 3

Periosteum

Question 4

Which type of bone marrow is responsible for producing red blood cells?

Answer 4

Red bone marrow

Question 5

What is the scientific term for the collarbone?

Answer 5

Clavicle

Question 6

How many bones are in the human body?

Answer 6

206

Question 7

What is the smallest bone in the human body?

Answer 7

Stapes (in the ear)

Question 8

Which bone protects the brain?

Answer 8

Skull

Question 9

What is the medical term for the kneecap?

Answer 9

Patella

Question 10

What are the two main divisions of the skeleton?

Answer 10

Axial skeleton and appendicular skeleton

Question 11

What type of joint connects bones with dense fibrous tissue?

Answer 11

Fibrous joint

Question 12

Which bones make up the forearm?

Answer 12

Radius and ulna

Question 13

What is the scientific term for the shoulder blade?

Answer 13

Scapula

Question 14

True or False: The sternum is also known as the breastbone.

Answer 14

True

Question 15

Which bone is commonly known as the shinbone?

Answer 15

Tibia

Question 16

What is the function of cartilage in the skeletal system?

Answer 16

Provides cushioning and reduces friction between bones

Question 17

What is the longest bone in the human body?

Answer 17

Femur

Question 18

What is the scientific term for the thigh bone?

Answer 18

Femur

Question 19

Which type of joint allows for a wide range of motion?

Answer 19

Synovial joint

Question 20

Where is the hyoid bone located in the body?

Answer 20

In the neck, between the lower jaw and the larynx

Question 21

What is the function of the vertebral column?

Answer 21

Supports the body, protects the spinal cord, allows for movement

Question 22

True or False: Ribs are considered flat bones.

Answer 22

True

Question 23

Which bone forms the lower jaw?

Answer 23

Mandible

Question 24

What is the function of the patella?

Answer 24

Protects the knee joint, aids in movement

Question 25

What is the largest organ in the human body?

Answer 25

Skin

Question 26

What are the three main layers of the skin?

Answer 26

Epidermis, dermis, and hypodermis

Question 27

What is the outermost layer of the epidermis called?

Answer 27

Stratum corneum

Question 28

What pigment gives skin its color?

Answer 28

Melanin

Question 29

What is the function of sebaceous glands?

Answer 29

To produce sebum, which moisturizes and protects the skin

Question 30

What is the function of sweat glands?

Answer 30

To regulate body temperature by producing sweat

Question 31

What is the medical term for a mole?

Answer 31

Nevus

Question 32

What is the purpose of hair on the human body?

Answer 32

To provide insulation and protection

Question 33

Which vitamin is synthesized in the skin when exposed to sunlight?

Answer 33

Vitamin D

Question 34

What is the condition characterized by excess sebum production and inflammation of hair follicles?

Answer 34

Acne

Question 35

What is the medical term for a scar?

Answer 35

Cicatrix

Question 36

What is the function of the hypodermis?

Answer 36

To store fat and provide insulation

Question 37

Which type of skin cancer is the most common but least dangerous?

Answer 37

Basal cell carcinoma

Question 38

Which layer of the skin contains blood vessels and nerves?

Answer 38

Dermis

Question 39

What is the purpose of the arrector pili muscles?

Answer 39

To contract and cause hair to stand on end (goosebumps)

Question 40

Which skin layer contains immune cells that help fight infections?

Answer 40

Epidermis

Question 41

What is the function of the subcutaneous layer (hypodermis)?

Answer 41

To attach the skin to underlying tissues and organs

Question 42

True or False: The epidermis is avascular.

Answer 42

True

Question 43

Which type of skin cancer is the most dangerous and can metastasize?

Answer 43

Melanoma

Question 44

What is the term for the shedding of dead skin cells from the epidermis?

Answer 44

Desquamation

Question 45

What is the function of the stratum basale in the epidermis?

Answer 45

To produce new skin cells through cell division

Question 46

What is the medical term for a blister?

Answer 46

Vesicle

Question 47

What is the function of the nail plate?

Answer 47

To protect the fingertips and enhance fine touch sensitivity

Question 48

What is the main component of the dermis that provides strength and elasticity?

Answer 48

Collagen

Question 49

What is the purpose of the stratum lucidum in the epidermis?

Answer 49

To provide additional protection and waterproofing

Question 50

What is the medical term for a freckle?

Answer 50

Ephelis

Question 51

What is the function of the sebum produced by sebaceous glands?

Answer 51

To lubricate the skin and hair

Question 52

What is the function of the cuticle in the nail?

Answer 52

To seal the space between the nail plate and nail bed

Question 53

What is the purpose of the subcutaneous fat layer?

Answer 53

To provide cushioning and energy storage