Sports, Exercise and Health Science

Which describes non-essential amino acids?

• They are broken down by digestion into fatty acids

• They can be synthesised by the human body

• They must be obtained from the diet

• They do not have nitrogen in their composition

What is residual volume?

• Volume of air in the lungs after maximum inhalation

• Inflow and outflow of air between the atmosphere and the lungs

• Volume of air still contained in the lungs after maximal exhalation

• Additional inspired air over and above tidal volume

Which is the breakdown of glycogen into glucose?

• Glycolysis

• Glycogenesis

• Glycogenolysis

• Beta oxidation

Which is a function of protein?

• Primary source of energy

• Provide insulation under the skin

• Protect vital organs from impact

• Provide structure to build tissues

What is the equation for cardiac output?

• Heart rate ÷ stroke volume

• Tidal volume × frequency

• Heart rate ÷ tidal volume

• Stroke volume × heart rate

What structure is labelled X in the diagram below?

• Articular capsule

• Synovial fluid

• Articular cartilage

• Synovial membrane

What is the action of the diaphragm and the external intercostal muscles during exhalation?

• Relaxation-Relaxation

• Contraction-Contraction

• Relaxation-Contraction

• Contraction-Relaxation

Which is a principal structure of the ventilatory system?

• Capillary

• Bronchiole

• Hemoglobin

• Pulmonary artery

What is the position of the scapula relative to the rib cage?

• Medial

• Inferior

• Posterior

• Proximal

What muscle is labelled X in the diagram below?

• Iliopsoas

• Sartorius

• Vastus lateralis

• Vastus intermedialis