Chapter 24 - **Musculoskeletal

Question 1

What is the role of the musculoskeletal system?

Answer 1

-support
-movement
-protection
-storage

Question 2

How many bones are in the body?

Answer 2

206

Question 3

Nonsynovial Joints

Answer 3

bones are united by fibrous tissue or cartilage and are immovable or slightly movable

Question 4

Synovial Joints

Answer 4

are freely movable because joints are separated and enclosed in a joint cavity

Question 5

Bursa

Answer 5

enclosed sac filled with viscous synovial fluid located in areas of friction

Question 6

What % of the body’s weight do muscles account for?

Answer 6

40-50%

Question 7

Nucleus Pulposus

Answer 7

semifluid mucoid material in the disc centre that has the consistency of toothpaste

Question 8

Where does lengthening of bones occur?

Answer 8

epiphyses (growth plates)

Question 9

Osteoporosis

Answer 9

loss of bone density

Question 10

Subluxation

Answer 10

partial dislocation of a joint

Question 11

Contracture

Answer 11

shortening of a muscle leading to limited ROM

Question 12

Ankylosis

Answer 12

stiffness or fixation of a joint

Question 13

Crepitation

Answer 13

audible and palpable crunching or grating accompanying movement

Question 14

What does a positive Phalen Test show?

Answer 14

carpal tunnel syndrome - along with positive Tinel’s signs

Question 15

What does a positive McMurray test show?

Answer 15

torn meniscus

Question 16

What does a positive Laesegue test mean?

Answer 16

herniated nucleus pulposus

Question 17

What does a positive Ortolani sign show?

Answer 17

hip dislocation in infants

Question 18

What does a positive Allis sign mean?

Answer 18

hip dislocation by comparing leg length

Question 19

Polydactyly

Answer 19

presence of extra fingers or toes

Question 20

Syndactyly

Answer 20

webbed fingers or toes

Question 21

What is genu varum and when is it normal?

Answer 21

bowlegged stance, normal for one year after child begins to walk

Question 22

Genum valgum

Answer 22

knock knees