Question

select the correct answer.

anabolic steroids increase muscle and stamina. therefore, they are very popular among competitive athletes, both male and female, who want to improve their performance.

what are anabolic steroids?

• nonfood sources of nutrients
• concentrated vitamin and protein pills
• synthetic versions of the male hormone testosterone

Explanation:

Analyze the definition of anabolic steroids

Anabolic steroids are synthetic (man-made) variations of the male sex hormone testosterone. The proper term for these compounds is anabolic-androgenic steroids, where "anabolic" refers to muscle-building and "androgenic" refers to increased male sex characteristics.

Evaluate the given options

• "nonfood sources of nutrients": Incorrect. Steroids are synthetic hormones, not nutritional supplements or nutrient sources.
• "concentrated vitamin and protein pills": Incorrect. Vitamins and proteins are dietary supplements, whereas anabolic steroids are synthetic hormonal drugs.
• "synthetic versions of the male hormone testosterone": Correct. This directly matches the biological definition of anabolic steroids.

Answer:

• nonfood sources of nutrients
• concentrated vitamin and protein pills
• synthetic versions of the male hormone testosterone (Correct answer)