Sport science

Which bone is part of the appendicular skeleton?

• Skull

• Vertebral column

• Humerus

• Sternum

What best describes synovial joints?

• They permit no movement.

• They are freelv moveable

• They are tightly connected by cartilage.

• They permit only slight movement.

What is a basic function of the interior structure of the nose during respiration?

• To provide a passageway for food

• To create friction during breathing

• To warm and moisten incoming air

• To prevent the lungs from collapsing

Which is an example of a blood cell?

I.Leucocyte

II.Platelet

IIIPlasma

• I only

• I and II only

• I and III only

• II and III only

What is the definition of systolic blood pressure?

• The force exerted by blood on arterial walls during ventricular contraction

• The lowest pressure in the arteries during systole

• The blood pressure flowing into the right ventricle

• The friction between blood and the blood vessel walls

Which correctly describes pulmonary circulation?

• left ventricle -> pulmonary veins ->lungs

• right ventricle -> pulmonary arteries -> lungs

• right atrium -> pulmonary veins -> lungs

• left atrium -> pulmonary arteries ->lungs

Which of the following occurs when an athlete moves from a stationary position to slow running?

• An increase in cardiac output with no change in stroke volume

• No increase in cardiac output but an increase in stroke volume

• No increase in cardiac output and heart rate

• An increase in cardiac output and stroke volume

What causes ventilation to increase during exercise?

• Increased carbon dioxide level

• High pH

• Decreased blood acidity level

• Lower carbon dioxide level

What is the composition of a triacyglycerol?

• Three glycerols and one fatty acid

• One glycerol and three fatty acids

• Two glycerols and one fatty acid

• Three glycerols and three fatty acids

What is the chemical composition of a protein molecule?

• Oxygen and nitrogen

• Carbon, oxygen and nitrogen

• Hydrogen, nitrogen and oxygen

• Carbon, hydrogen, oxygen and nitrogen