SEHS Paper 1 (9)

1. Which movement involves bones of the axial skeleton?

• 1. Extension of the elbow when pitching a baseball

• Rotation of the neck to breathe while swimming freestyle

• Flexion of the knee when rowing

• Pronation of the radius and ulna joint to apply topspin in tennis

1. Which correctly matches the connective tissue to its function?

• 1. Ligaments are the connections between muscles and bones.

• 1. Cartilage reduces friction between bones and helps absorb shock.

• Tendons are the connections between bones and bones.

• The synovial membrane provides stability to the joint.

1. Which is the origin of a muscle?

• 1. The attachment of a muscle to a stationary bone

• The attachment of a muscle to a joint

• The attachment of a muscle to a moveable bone

• The attachment of a muscle to a bursa

The diagram shows the ventilatory system.

What is the structure labelled X?

• 1. Larynx

• 1. Bronchi

• 1. Trachea

• Alveoli

An athlete is exercising outside in a temperature of 20°C. What is the role of the nose in the respiratory airway?

• 1. To cool air in the respiratory airway

• To filter dust particles in the inhaled air

• 1. To dry the air in the respiratory airway

• To reduce mucus secretions to the trachea

6. What is the name of the heart valve between the left atrium and left ventricle?

• 6. Vena cava

• Aortic

• Bicuspid

• Tricuspid

6. What is the relationship between cardiac output and stroke volume during a warm-up?

• A

• B

• C

• D

6. Which defines the term diastolic blood pressure?

• 1. The force exerted on arterial walls during atrial contraction

• The force exerted on venous walls during atrial contraction

• The force exerted on arterial walls during ventricular contraction

• The force exerted on venous walls during ventricular contraction

6. An athlete has a high maximal oxygen consumption level (VO2max). What information does this provide?

• 1. The athlete has poor aerobic capacity.

• 1. The athlete has good aerobic capacity.

• 1. The athlete’s oxygen carrying capacity is reduced.

• The athlete has a greater reliance on anaerobic respiration.

10. Which is a micronutrient?

• 1. Lipids

• 1. Carbohydrates

• 1. Proteins

• Minerals