CH 6: A&P Musculoskeletal System

Question 1

Musculoskeletal System, 3 main functions:

Answer 1

-Gives the body shape
-Protects vital internal organs
-Provides for body movement

Question 2

Skeleton consists of:

Answer 2

skull and spine, ribs and sternum, shoulders and upper extremities, and pelvis and lower extremities

Question 3

Skull

Answer 3

Bony structure of the head, Function to enclose, protect brain

Question 4

Skull consists of:

Answer 4

Cranium and Face

Question 5

Cranium

Answer 5

Top, back, and sides

Question 6

Face

Answer 6

Front of the skull

Question 7

Cranium connects to facial bones:

Answer 7

-Mandible
-Maxillae
-Nasal bones
-Orbits
-Zygomatic arches

Question 8

Spinal column

Answer 8

33 vertebrae that encase the spinal cord

Question 9

Spinal cord is essential for:

Answer 9

movement, sensation, and vital functions

Question 10

Thorax

Answer 10

-12 ribs and sternum
-Protects the heart, lungs, and major blood vessels

Question 11

Division of the spine:

Answer 11

1: Cervical (7)
2: Thoracic (12)
3: Lumbar (5)
4: Sacrum (5)
5: Coccyx (4)

Question 12

Pelvis

Answer 12

-Ilium
-Ischium
-Pubis
-Hip joint
–Acetabulum
–Ball at proximal end of femur

Question 13

Lower extremities

Answer 13

Femur
Patella
Tibia
Fibula
Ankle
–Lateral malleolus
–Medial malleolus
–Tarsals

Question 14

Foot

Answer 14

Metatarsals
Calcaneus (Heel)

Question 15

Toe bones

Answer 15

Phalanges

Question 16

Upper extremities

Answer 16

Clavicle
Scapula
Acromion process (Acromioclavicular joint)
Humerus
Radius
Ulna

Question 17

Wrist

Answer 17

Carpals

Question 18

Hand

Answer 18

Metacarpals
Phalanges (finger bones)

Question 19

Joints

Answer 19

Formed when bones connect to other bones

Question 20

Two types of joints

Answer 20

Ball-and-socket and Hinge

Question 21

Muscles

Answer 21

Voluntary (skeletal)
Involuntary (smooth)
Automaticity (Cardiac) -(Heart has ability to generate and conduct own electrical impulses)

Question 22

3 types of muscle

Answer 22

skeletal muscle, cardiac muscle, smooth muscle