Reproductive Quiz #16, Male Reproductive Anatomy and Physiology  

1. A 25-year-old man presents to his physician complaining of infertility. Upon evaluation, he is found to have a hormonal imbalance affecting spermatogenesis. Which of the following hormones is primarily responsible for stimulating Sertoli cells to facilitate spermatogenesis?

Question 1 of 5

2. A 30-year-old man undergoes a vasectomy for contraception. Which of the following structures is ligated and cut to provide effective sterilization in this procedure?

Question 2 of 5

3. During a lecture on male reproductive physiology, a student asks about the hormone responsible for the development of secondary male sexual characteristics, such as deepening of the voice and growth of facial hair. Which of the following hormones is primarily responsible for these changes?

Question 3 of 5

4. A 22-year-old man is diagnosed with a lesion affecting the hypothalamic-pituitary-gonadal axis, leading to decreased secretion of gonadotropin-releasing hormone (GnRH). Which of the following will likely be directly decreased as a result of this condition? 

Question 4 of 5

5. A study is conducted to evaluate the temperature regulation of the testes and its importance in spermatogenesis. Which of the following mechanisms is most important for maintaining the testes at a temperature slightly lower than the body’s core temperature? 

Question 5 of 5


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