Bones, Joints, Muscles

Question 1

What is the function of long bones

Answer 1

Movement and support

Question 2

What is the function of short bones

Answer 2

Stability/support

Question 3

What is the function of flat bones

Answer 3

Protect internal organs and spot for muscle attachment

Question 4

What is the function of irregular bones

Answer 4

Protect internal organs, movement, and support

Question 5

What is the function of sesamoid bones

Answer 5

Protect tendons from force

Question 6

Maxillary bones

Answer 6

Are fused to form upper jaw and central facial skeleton

Question 7

Which ribs are true ribs

Answer 7

1-7 because they attach directly to the sternum

Question 8

What ribs are false ribs

Answer 8

8-10 because they attach to cartilage

Question 9

What ribs are floating ribs

Answer 9

11-12 because they have no attachment

Question 10

What is the sarcomere

Answer 10

Basic unit of muscle fibers

Question 11

What is the sarcomere responsible for

Answer 11

Muscle contraction

Question 12

What does the sarcomere do

Answer 12

Gives skeletal and cardiac muscle it’s striated appearance

Question 13

What is the sarcomere made up of

Answer 13

Thick and thin filaments (myosin and actin)

Question 14

What is an isotonic muscle contraction

Answer 14

Movement

Question 15

What is an isometric muscle contraction

Answer 15

No movement

Question 16

Concentric contraction

Answer 16

Muscle shortens

Question 17

Eccentric muscle contraction

Answer 17

Muscle lengthens

Question 18

What is bursae

Answer 18

synovial fluid sacs that acts as a cushion between joints for smoother movement

Question 19

What are ivd’s

Answer 19

Soft cushiony structures between vertebrae in spine

Question 20

What are the functions of ivd’s

Answer 20

Shock absorption and spinal flexibility

Question 21

Parts of ivd’s

Answer 21

Nucleus puposus : gel center
Annulus fibrosus: out stable layer

Question 22

Where is SR found

Answer 22

Found in muscle cells

Question 23

Sr stores calcium when

Answer 23

Muscles are at rest

Question 24

Sr releases calcium when

Answer 24

Muscles are contracting

Question 25

What is the role of calcium in sr

Answer 25

Triggers the interaction of actin + myosin during muscle contraction

Question 26

After contract sr does

Answer 26

Pumps calcium back into storage

Question 27

What is arthritis

Answer 27

Inflation of joints causing swelling, stiffness, and reduced movement

Question 28

What is the cause of osteoarthritis

Answer 28

Wear and tear of joint cartilage over time

Question 29

What is the cause of rheumatoid arthritis

Answer 29

An auto immune disease that attacks joint lining

Question 30

What is the cause of gout

Answer 30

Buildup of uric acid crystals

Question 31

Psoriatic arthritis is associated with

Answer 31

Psoriasis

Question 32

What is rigor mortis

Answer 32

Post mortem stiffening

Question 33

The first stage of rigor mortis is

Answer 33

Onset : 2-6 hours after death

Question 34

Rigor mortis fully develops when

Answer 34

12 hours after death

Question 35

Resolution of rigor mortis is when

Answer 35

Body returns to relaxed state

Question 36

Rigor mortis is caused by

Answer 36

The stop of atp production after death