locomotion and support

Diagram below shows the human skeleton. Which bone, A, B, C and D, forms part of the axial skeleton?

• A

• B

• C

• D

Diagram below shows a vertebra S in human vertebral column, T. Which part of vertebral column, A, B, C and D, in T contains vertebra S?

• A

• B

• C

• D

Diagram shows a bending leg. Which of the following muscle actions will straighten the leg?

• quadriceps femoris relaxes, biceps femoris contracts

• quadriceps femoris relaxes, biceps femoris relaxes

• quadriceps femoris contracts, biceps femoris contracts

• quadriceps femoris contracts, biceps femoris relaxes

Which pair of bones forms ball-and-socket joint?

• humerus and scapula

• femur and tibia

• humerus and radius

• tibia and fibula

Diagram shows four sections of the human backbone. What are the vertebral labelled P, Q, R and S?

• P: cervical, Q: thoracic, R: lumbar, S: Sacral

• P: Thoracic, Q: lumbar, R: Sacral, S: Cervical

• P: Lumbar, Q: Thoracic, R: Sacral, S: Cervical

• P: Cervical, Q: Sacral, R: Thoracic, S: Lumbar

Diagram shows the structure of a vertebra bone. What are the structures labelled P, Q and R?

• P: neural canal, Q: Centrum, R: spinous process

• P: Spinous process, Q: Centrum, R: neural canal

• P: Spinous process, Q: neural canal, R: centrum

• P: Centrum, Q: neural canal, R: spinous process

Which of the following diseases are due to musculoskleletal impairment?

I. Osteoporosis

II. Anorexia nervosa

III. Arthritis

IV. Muscular dystrophy

• I, II and III only

• I, II and IV only

• II, III and IV only

• I, III and IV only

Which of the following are the ways to maintain a healthy musculoskeletal system?

I. Having a well-balanced diet

II. Maintaining a good body posture

III. Taking appropriate precautions during vigorous activities

IV. Using proper attire for daily activities

• I and II only

• II and IV only

• I, II, III and IV

• I, II and III only

The diagram shows the structure of an upper limb. What happens to the parts labelled R and S when the arm is bending?

• R contracts, S contracts

• R contracts, S relaxes

• R relaxes, S contracts

• R relaxes, S relaxes

Name the type of vertebrae.

• cervical vertebrae

• lumbar vertebrae

• sacral vertebrae

• thoracic vertebrae