(04.03 MC) A person with type _______ blood is able to donate to anyone because their blood ___________. (2 points)

(06.02 MC) Which cells are associated with the humoral and cell-mediated parts of the immune system? (2 points)

(06.03 MC) The illustration below shows the structure of the lymph system.   Public Domain What is the most accurate description of the structure labeled B? (2 points)  

(04.03 LC) A person’s red blood cells completely lack antigens. This person has blood type (2 points)

(04.03 MC) Hemophilia is a disease in which blood does not clot quickly. Which of the following is a possible cause of hemophilia? (2 points)

(05.04 MC) © Public Domain In the enzyme reaction above, catechol is the substrate, oxygen is a reactant, catechol oxidase is the enzyme, benzoquinone is the product, and water (H2O) is a by-product. Which of the following will decrease the rate of this reaction? (2 points)

(04.05 HC) Slowing down or stopping an activity because you can’t catch your breath is one sign of COPD, chronic obstructive pulmonary disease. In COPD the airways of the lungs are narrowed, and this makes it hard to get air out and causes an “out of breath” feeling. Other symptoms of COPD can include frequent coughing, excess mucus, and sometimes wheezing. Some patients with COPD also show loss of lung tissue on chest x-rays-a condition called “emphysema.” Explain what is meant by the statement: “In COPD the airways of the lungs are narrowed.” Specifically, what part of the respiratory system will be narrowed? Then explain how emphysema could lead to shortness of breath. Be sure to identify and describe the specific tissues involved. (5 points)

(04.01 MC) Which of the following would create the second heart sound? (2 points)

(05.01 MC) Neck injuries can sever the nerves that control contraction of the diaphragm. How would this affect breathing? (2 points)

(04.01 LC) Which of the following occurs when the heart forcefully contracts? (2 points)