Skeletal System (me)

Question 1

How many bones in the human body?

Answer 1

206

Question 2

Name the 5 types of bones (categories)

Answer 2

Long bones
Short bones
Flat bones
Irregular bones
Sesamoid bones

Question 3

Name 3 functions of the skeleton

Answer 3

Supports body/ provides structure
Allows/ enables movement
Protects organs
Forms blood cells
Forms joints
Provides attachments for muscles which move joints
Stores calcium salts and phosphorus

Question 4

Name the two parts/sections of the skeleton and what they consist of (broadly)

Answer 4

Axial (head, neck, trunk)
Appendicular (limbs, shoulder girdle, pelvic girdle)

Question 5

Bones are made up of what two cell types

Answer 5

Osteoblasts and osteoclasts

Question 6

What are Haversian canals?

Answer 6

Run lengthways thru compact bone. Contain blood and lymph capillaries and nerves.
Larger canals mean the bone is less dense and compact

Question 7

Name 7 bones in the skull

Answer 7

Frontal
Nasal
Ethmoid
Lacrimal
Palantine
Zygomatic
Maxilla
Vomer
Turbinator
Mandible
Parietal
Occipital
Temporal
Hyoid

Question 8

What are the 5 sections of the vertebral column?

Answer 8

Cervical (7)
Thoracic (12)
Lumbar (5)
Sacral (5)
Coccyx/Coccygeal (4)

Question 9

How many true ribs are there?

Answer 9

7

There are 3 false ribs (8, 9, 10- connect to the 7th rib), and another 2 false ribs (11&12), also called “floating ribs” as they connect to nothing

Question 10

Which bones make up the shoulder girdle?

Answer 10

Clavicle and Scapula (pair or each)

Question 11

How many carpal bones are there?

Answer 11

8!
Scaphoid, Lunate, Triquetral, Pisiform, Trapezium, Trapezoid, Capitate, Hamate

Question 12

Where is the humerus located?

Answer 12

in the upper arm

Question 13

Where would you find phalanges?

Answer 13

Fingers and toes
(And airplanes if you ask Phoebe)

Question 14

What are the two bones in the forearm?

Answer 14

Radius and ulna

Question 15

What are the names of the two bones in the calf section of the leg?

Answer 15

Tibia and Fibula

Question 16

What are the 5 types of synovial joints?

Answer 16

Saddle
Ball and socket
Pivot
Gliding
Hinge

Question 17

Name a hinge joint

Answer 17

Elbow
Knee
Ankle
Fingers & toes

Question 18

Name a ball & socket joint

Answer 18

Shoulder
Hip

Question 19

Name a gliding joint

Answer 19

wrist and ankle
between tarsals and carpals

Question 20

Name a saddle joint

Answer 20

Thumb
between carpus and metacarpal

Question 21

Name a pivot joint

Answer 21

neck or cervical vertebrae (atlas and axis)

Question 22

Describe Kyphosis

Answer 22

A posterior curvature of the spine in the thoracic vertebrae
(Hunchbacked)

Question 23

Describe Scoliosis

Answer 23

Sideways curvature of the spine to either left or right (saggital plane)

Question 24

Describe Lordosis

Answer 24

Anterior curvature of spine located in Lumbar vertebrae

(dipped lower back with prominent posterior- posture often seen in pregnant women)