(04.02 MC) Which of the formed elements of blood is primarily involved in gas exchange? (2 points)

(04.01 LC) Which of the following is the greatest risk factor for hypertension? ( 2 points)

(05.03 MC) Why are nucleic acids not considered a nutrient? (2 points)

(04.01 MC) The explosive chemical nitroglycerine is also a drug given to dilate the blood vessels of patients suffering from arteriosclerosis. Which of the following effects will nitroglycerine produce on these patients? (2 points)

(04.03 MC) What would occur if the muscle tissue failed within a damaged blood vessel? (2 points)

(05.03 HC) Image Courtesy of 3DScience.com How would the four classes of macromolecules fit into the food categories shown in the food pyramid above? How do the functions of the different macromolecules in the body relate to the serving recommendations of the food groups in the pyramid? (5 points)

(06.03 MC) Which of the following describes the function of lymph nodes? (2 points)

(04.01 LC) Blood pressure is determined by which of the following components? (2 points)

(05.02 MC) A doctor notices that a patient is having difficulty absorbing nutrients. Which structure is most likely involved in the patients problem? (2 points)

(05.04 MC) Image Courtesy of 3DScience.com Based on the graph above, how well will the enzyme perform as a catalyst when placed in a pH 7 solution, such as water? (2 points)