Practice Exam 100% Well Answered.
What is the double meaning of bone? - Answer Bone the organ ; bone the tissue
What are the 6 functions of bone? - Answer Support, Protection, Calcium/Phosphorus reserve,
Movement, Fat storage, Haemopoiesis
How is movement produced? - Answer By pulling on the bone
How much of the body's calcium is stored in bone? What is the purpose of this reserve? - Answer 99% ;
can draw from it or add to it, i.e. a reserve
What type of bone marrow is involved in the Haemopoiesis function of bone? - Answer Red bone
marrow
What type of bone marrow is involved in the triglyceride function of bone? What happens to bone
marrow as we age? - Answer Yellow bone marrow ; as we age, bone marrow goes from red to yellow
How many bones does the Adult have? How many at birth? And why is this? - Answer 206 bones ; 260
bones at birth ; these bones fuse as the body is always trying to head towards a natural state of fusion
What are the 2 main subdivisions of the skeleton? How many bones in each section? - Answer Axial, 80
bones, some paired ; Appendicular, 126 bones all paired
What 3 functions of the skeletal system is the axial skeleton responsible for? - Answer Support,
protection, haemopoiesis (red bone marrow more centred in axial skeleton)
What is the primary function of the appendicular skeleton? - Answer Movement
Name 5 different types of bones? - Answer Short, Flat, Irregular, Sesmoid, Long
, With regards to long bone, what is the epiphysis? - Answer End(s) of bone
With regards to long bone, what is the diaphysis? - Answer Shaft of bone
With regards to long bone, what is the metaphysis? - Answer Section between diaphysis and epiphysis
With regards to the diaphysis, what is the outer shell of bone called? - Answer Compact bone
With regards to the diaphysis, what is found inside here? (2) - Answer Medullary Cavity ; Bone marrow
and sometimes air
With regards to the diaphysis, what surrounds the compact bone? - Answer Periosteum
What is the name of the fibrocellular covering of the compact bone? - Answer Periosteum
What type of connective tissue is the periosteum? - Answer Dense Irregular
What runs in the periosteum of bone? - Answer Blood vessels and nerves
What anchors the periosteum to the compact bone shell? - Answer Perforating fibres or Sharpey's
fibres
What do tendons and ligaments join? What type of joining fibres are present in these areas? - Answer
Tendons join muscle to bone ; ligaments join bone to bone ; Sharpey's fibres
With regards to the diaphysis, what lines the inside of the bone? What does this layer contain? - Answer
Endosteum ; bone forming cells and small amount of connective tissue
With regards to the epiphysis, what is the shell made out of? - Answer Thinner layer of compact bone