Introduction lesson for SES YR 2

What is the role of a osteoblast?

• A cell which is responsible for building new bone

• A cell which covers the ends of bones

• A cell which is responsible for clearing away weaker bone

• A fluid that lubricates joints

What is the role of a osteoclast?

• A cell which is responsible for building new bone

• A cell which covers the ends of bones

• A cell which is responsible for clearing away weaker bone

• A fluid that lubricates joints

What is the impact of weight baring exercise on bone density?

• Increases

• Decreases

• No change

What is the role of synovial fluid?

• Protect the ends of bones

• Secrete synovial fluid

• Lubricate joints

• Connect bone to bone

What is the role of the synovial membrane?

• Protect the ends of bones

• Secrete synovial fluid

• Lubricate joints

• Connect bone to bone

Which of the following are responses are true to synovial fluid during exercise? (more than one correct answer)

• Becomes thicker

• Becomes thinner

• Increases joint mobility

• Decreases joint mobility

Which of the following would have the least impact on osteoblast and osteoclast activity?

• Weight training

• Running

• Cycling

• Football

Which of the following would have the best impact on bone density?

• Swimming

• Yoga

• Resistance training

• Rowing

Which of the following is not a type of muscle fibre?

• Type 1

• Type 2c

• Type 2a

• Type 2x

Which of the following is a characteristic of a slow twitch muscle fibre? (more than one correct answer)

• Quick to fatigue

• Slow to fatigue

• High power output

• Low power output