Reproductive Quiz #25, Sex hormones and Disorders of Sex Hormones  

1. A 55-year-old male presents with decreased libido, fatigue, and difficulty concentrating. Laboratory tests reveal low serum testosterone, normal luteinizing hormone (LH), and normal follicle-stimulating hormone (FSH) levels. Which of the following is the most likely diagnosis?

Question 1 of 5

2. A 30-year-old female with irregular menstrual cycles, hirsutism, and infertility is found to have elevated levels of luteinizing hormone (LH) and normal follicle-stimulating hormone (FSH) levels. Which of the following pathophysiological mechanisms is most likely responsible for her condition?

Question 2 of 5

3. A 21-year-old male presents with gynecomastia and poor beard growth. Laboratory tests reveal elevated estradiol and low testosterone levels. Which of the following enzymes is most likely deficient in this patient?

Question 3 of 5

4. A 65-year-old male is diagnosed with benign prostatic hyperplasia (BPH). Which of the following medications works by inhibiting the conversion of testosterone to dihydrotestosterone (DHT) and is beneficial in the management of this condition?

Question 4 of 5

5. A 29-year-old female presents with amenorrhea and galactorrhea. MRI of the brain reveals a pituitary adenoma. Which of the following hormones is most likely elevated in this patient?

Question 5 of 5


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