Cytochrome P-450 enzymes are present in the highest concentration in the liver and __________

Which of the following statements regarding steel columns is MOST accurate?

A) Because of low compressive strength, the cross-section of steel columns can be small compared to their length. B) The possibility of a steel column buckling is due to the alloys contained in the column. C) Columns that cannot rotate at their ends are less likely to buckle than columns that are free to rotate at their ends. D) The possibility of buckling is less with steel columns than with columns made of other materials.

If a client doesn't reach a weekly weight-loss goal, the strength and conditioning specialist should

a. immediately change the goal to something easier to achieve. b. find out if the client followed his diet, and remind the client to stay on it. c. check that the goal is realistic, and help motivate the client to meet it. d. withhold praise from the client to express your displeasure.