Week 5 - Musculoskeletal System

Question 1

What are the main functions of the Skeletal System

Answer 1

Support, Protection, Storage and Electrolyte Balance, Blood formation (Hematopoiesis), Acid-base balance, Movement

Question 2

What is HEMATOPOIESIS

Answer 2

Formation of Blood cells (Red Marrow)

Question 3

Are bones living or not

Answer 3

living

Question 4

What are the 2 categories the human bones are divided into

Answer 4

Axial and Appendicular

Question 5

What are the 4 main bone shapes

Answer 5

Long, Flat, Short, Irregular

Question 6

What are the 2 main parts of a long bone

Answer 6

Shaft (Diaphysis), Head (Epiphysis)

Question 7

What are the main properties of the Epiphysis

Answer 7

Expanded end for strengthening joints, More surface area for ligament and tendon attachment

Question 8

What is the Shaft of the long bone called

Answer 8

Diaphysis

Question 9

What is the Head of the long bone called

Answer 9

Epiphysis

Question 10

What is the Diaphysis

Answer 10

Shaft of the Long Bone

Question 11

What is the Epiphysis

Answer 11

Head of the Long Bone

Question 12

What is the Articular Cartilage

Answer 12

Hyaline cartilage covering at the ends of where bones meet which eases joint movement

Question 13

What is the Medullary Cavity

Answer 13

long cavity inside the DIAPHYSIS (Shaft) that contains bone marrow

Question 13

How many Layers in Flat bones

Answer 13

2 outer Layers of Compact, 1 middle Layer of Spongy

Question 13

Do flat bones have bone marrow

Answer 13

Yes but NO CAVITY for it

Question 13

What are Epiphyseal Lines

Answer 13

Markers of former growth zones from childhood (found in adults) on the distal ends of the bones

Question 13

What is the main reasons for Flat Bones

Answer 13

Protection, Surface area for Attachment

Question 14

What is the bone type that protects Nerve Tissue

Answer 14

Irregular bones (Vertebrae)

Question 14

What is the main purpose of Short Bones

Answer 14

Stability