|Which of the following statements describing the effects of different types of steroids used by athletes for enhancing their performance are correct?|
|1. Anabolic steroids mask the pain in muscles.|
|2. Diuretics reduce the weight of athletes.|
|3. Blood doping increases the oxygen flow to the tissues.|
|4. Beta-blockers lead to relaxation of muscles.|
|Select the correct answer using the codes given below.|
A) 1, 2 and 3
B) 1 and 4
C) 2, 3 and 4
D) All of these
Correct Answer: C
Solution :[c] Anabolic steroid are used to build muscle and bone mass. They do this by stimulating the cells to make new protein. Catabolic steroids on the other hand, break down muscles. Diuretics are used for weight loss. They do this by draining water from the body by acting on the kidneys and increasing the flow of urine. Blood doping increases the flow of oxygen to the tissues by increasing the blood volume. Beta-blockers are used as relaxants. They reduce the blood pressure by causing the heart to slow down and thus, relaxing the blood vessels. These are used in events, which require steady hands like archery and shooting.
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