11SESC Physiology Pre-Lessons Quiz

What is the function of synovial fluid in joints?

• To lubricate and cushion the joint

• To create friction

• To attach muscles to bones

• To provide resistance

What is the role of the diaphragm in respiration?

• Breaks down food

• Pumps blood

• Supports the spine

• Contracts to draw air into the lungs

Which of the following is a long-term effect of regular aerobic exercise?

• Increased resting heart rate

• Increased stroke volume

• Increased flexibility

• Muscle soreness

What is lactic acid?

• A waste product from anaerobic respiration

• A protein used in muscle contraction

• A gas released during aerobic respiration

• A nutrient found in food

What is the name of the muscle at the front of the upper arm?

• Triceps

• Biceps

• Hamstring

• Quadriceps

Which part of the circulatory system carries oxygenated blood from the heart to the body?

• Arteries

• Veins

• Capillaries

• Ventricles

Which muscle is the main agonist during a biceps curl?

• Biceps brachii

• Quadriceps

• Triceps brachii

• Latissimus dorsi

Which of these muscles is located in the lower leg?

• Pectoral

• Deltoid

• Gluteus maximus

• Gastrocnemius

What does ‘heart rate’ measure?

• The number of heartbeats per minute

• How much blood the heart pumps per minute

• The pressure in the arteries

• The amount of air inhaled

What happens to breathing rate during exercise?

• It stops

• It increases

• It stays the same

• It decreases