SEHS IB Ventilatory System #1

Which term is defined as the volume of air breathed in and out in one breath?

• Pulmonary ventilation

• Tidal volume

• Vital capacity

• Residual volume

The diagram shows an anterior view of the heart. Which blood vessel is labelled X?

• Aorta

• Pulmonary artery

• Pulmonary vein

• Vena cava

What describes the sequence of excitation of the heart muscle?

• Sinoatrial node → atrioventricular node → ventricles

• Atrioventricular node → ventricles → sinoatrial node

• Ventricles → atrioventricular node → sinoatrial node

• Sinoatrial node → ventricles → atrioventricular node

What describes the effect of exercise on cardiac output?

• A

• B

• C

• D

Tags

NGSS.HS-LS1-3

Where does blood exert the force measured as systolic blood pressure?

• On the arterial walls during ventricular relaxation

• On the venous walls during ventricular contraction

• On the arterial walls during ventricular contraction

• On the venous walls during ventricular relaxation

How does blood pressure respond during a warm-up?

• A

• B

• C

• D

What is vital capacity?

• Inspiratory reserve volume plus total lung capacity

• Total lung capacity minus residual volume

• Tidal volume plus inspiratory reserve volume

• Residual volume minus expiratory reserve volume

Which component of blood is greatest by volume?

• Electrolytes

• Plasma

• Erythrocytes

• Leucocytes

How does an increased erythrocyte level benefit an athlete?

• By increasing the oxygen-carrying capacity of the blood

• By decreasing the capacity of the blood to clot in case of an injury

• By increasing the ability of the body to fight infection

• By decreasing viscosity of the blood

What type of blood is pumped by each of the blood vessels listed?

• A

• B

• C

• D