1. Which of the following statements is true about the muscle active during breathing?
a. Primary the diaphragm during strenuous exercise.
b. Primary the intercostal and abdominals during rest
c. Both the diaphragm and intercostal during exercise and rest
d. Neither the diaphragm nor the intercostal during rest
2. What are the small sac like structures in the lungs where oxygen moves into the
bloodstream and what is the process called?
a. Bronchioles and diffusion
b. Alveoli and diffusion
c. Capillaries and infusion
d. Alveoli and infusion
3. Which of the following is correct in reference to heart function?
a. The left side of the heart pumps blood to the entire body
b. The right side of the heart pumps blood to the entire body
c. The left side of the heart pumps blood into the lungs
d. It takes ten minutes for both sides of the heart to start pump the entire blood supply
throughout the body.
4. Which of the following statements is true concerning the components of blood?
a. Blood maybe divided into two entities. Cells and plasma
b. Red blood cells contain antibodies to fight infection and platelets for clotting
c. White blood cells contain water, proteins, glucose and electrolytes
d. Plasma contains hemoglobin, which attaches to and carries oxygen.