HS 2300- Bones Exam Study Guide With
Correct Solution
The musculoskeletal system is made up of what 2 systems? - ANSWER Muscular and
skeletal system
What are the components and functions of the muscular system? - ANSWER
Components:
- Muscles
- Tendons
- Motor unit
Functions:
- Skeletal movement
- Maintaining posture and position
- Opening and closing of orifices
- Maintaining homeostasis
What are the components and functions of the skeletal system? - ANSWER Components:
- Bones
- Cartilage
- Ligaments
Functions:
- Support
- Protection
- Force translation
- Blood cell production
- Mineral storage
What are the two categories of the skeletal system? - ANSWER - Axial skeleton
- Appendicular skeleton
, What makes up the axial skeleton? - ANSWER The center of the trunk
- Skull and mandible
- Hyoid bone
- Vertebral column
- Ribs
- Sternum
What makes up the appendicular skeleton? - ANSWER - Pectoral girdle
- Pelvic girdle
- Bones of the upper and lower limbs
Damage to the __________ can affect further bone growth - ANSWER Epiphyseal plate
Blood supply has begun to be created at what stage? - ANSWER The primary
ossification center
When does bone development begin? - ANSWER Early in utero
When does bone development end? - ANSWER Around 20 years after birth
What does the closure of epiphyseal plates create? - ANSWER Epiphyseal lines
What is cortical bone? - ANSWER The outside/compact (bark) bone
What is trabecular bone? - ANSWER Spongy bone, inner layer
What are osteoblasts? - ANSWER The cells that produce bones
When do you have the greatest amount of osteoblasts? - ANSWER At birth
What are osteoclasts? - ANSWER The cells that absorb bones
When do you have the greatest amount of osteoclasts? - ANSWER Middle age and old
age
When do you have around the same amount of osteoblasts and osteoclasts in your
body? - ANSWER Around adolescence
What does aging cause? - ANSWER - Loss of bone mass (decreased calcium)
- Increased brittleness (decreased collagen synthesis)
Describe the bone growth trends throughout life - ANSWER - Rapid bone growth around
20
- Bone growth levels out around middle age
Correct Solution
The musculoskeletal system is made up of what 2 systems? - ANSWER Muscular and
skeletal system
What are the components and functions of the muscular system? - ANSWER
Components:
- Muscles
- Tendons
- Motor unit
Functions:
- Skeletal movement
- Maintaining posture and position
- Opening and closing of orifices
- Maintaining homeostasis
What are the components and functions of the skeletal system? - ANSWER Components:
- Bones
- Cartilage
- Ligaments
Functions:
- Support
- Protection
- Force translation
- Blood cell production
- Mineral storage
What are the two categories of the skeletal system? - ANSWER - Axial skeleton
- Appendicular skeleton
, What makes up the axial skeleton? - ANSWER The center of the trunk
- Skull and mandible
- Hyoid bone
- Vertebral column
- Ribs
- Sternum
What makes up the appendicular skeleton? - ANSWER - Pectoral girdle
- Pelvic girdle
- Bones of the upper and lower limbs
Damage to the __________ can affect further bone growth - ANSWER Epiphyseal plate
Blood supply has begun to be created at what stage? - ANSWER The primary
ossification center
When does bone development begin? - ANSWER Early in utero
When does bone development end? - ANSWER Around 20 years after birth
What does the closure of epiphyseal plates create? - ANSWER Epiphyseal lines
What is cortical bone? - ANSWER The outside/compact (bark) bone
What is trabecular bone? - ANSWER Spongy bone, inner layer
What are osteoblasts? - ANSWER The cells that produce bones
When do you have the greatest amount of osteoblasts? - ANSWER At birth
What are osteoclasts? - ANSWER The cells that absorb bones
When do you have the greatest amount of osteoclasts? - ANSWER Middle age and old
age
When do you have around the same amount of osteoblasts and osteoclasts in your
body? - ANSWER Around adolescence
What does aging cause? - ANSWER - Loss of bone mass (decreased calcium)
- Increased brittleness (decreased collagen synthesis)
Describe the bone growth trends throughout life - ANSWER - Rapid bone growth around
20
- Bone growth levels out around middle age
