IB SEHS Paper review ch. 2 exercise physiology

An athlete has a low blood platelet count. Which process will be difficult for the athlete’s body?

• A. Clotting

• B. Transporting oxygen

• C. Fighting disease

• D. Balancing osmolarity

Under normal conditions, what is the percentage saturation of hemoglobin in red blood cells as they leave the lungs?

• A. 68.5 %

• B. 78.5 %

• C. 88.5 %

• D. 98.5 %

Tags

NGSS.HS-LS1-3

What action of the heart is responsible for the force of systolic pressure as measured on the walls of the aorta?

• A. Aortic contraction

• B. Aortic relaxation

• C. Ventricular relaxation

• D. Ventricular contraction

What changes occur to a boxer’s stroke volume and heart rate while punching during a bout?

• A

• B

• C

• D

Tags

NGSS.HS-LS1-3

Which circulation is responsible for the exchange of oxygen between the blood and the lungs?

• A. Systemic circulation

• B. Coronary circulation

• C. Pulmonary circulation

• D. Vascular circulation

Which does blood transport?

I. Proteins

II. Hormones

III. Platelets

• A. I and II only

• B. I and III only

• C. II and III only

• D. I, II and III

What is total lung capacity?

• A. The volume of air in the lungs after a maximum inhalation

• B. The maximum volume of air that can be exhaled after a maximum inhalation

• C. The volume of air in excess of tidal volume that can be exhaled forcibly

• D. The volume of air still contained in the lungs after a maximal exhalation

Tags

NGSS.HS-LS2-5

Which four are principal structures of the ventilatory system?

• A

• B

• C

• D

Which is a definition of vital capacity?

• A. Volume of air in the lungs after a maximum inhalation

• B. Maximum volume of air that can be exhaled after a maximum inhalation

• C. Volume of air in excess of tidal volume that can be forcibly exhaled

• D. Volume of air breathed in and out in any one breath

What does systolic blood pressure measure?

• A. The force exerted on venous walls during atrial contraction

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

• C. The force exerted on venous walls during ventricular contraction

• D. The force exerted on arterial walls during ventricular contraction

Tags

NGSS.HS-LS1-3