SBA Questions on Endocrine Infertility Flashcards Preview

LCRS Year 2 - Endocrinology > SBA Questions on Endocrine Infertility > Flashcards

Flashcards in SBA Questions on Endocrine Infertility Deck (2)
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1
Q

SBA Question
“A male presents to endocrine clinic who has had a bilateral orchidectomy (removal of testes. What would you expect his blood results to show?”

1) low LH, low FSH, low Testosterone
2) low LH, high FSH, low testosterone
3) high LH, high FSH, low testosterone
4) high LH, high FSH, high testosterone

A

3) high LH, high FSH, low testosterone

Primary hypogonadal disease
No testes producing testosterone so levels low
Low testosterone levels means reduced negative feedback on LH/FSH production so both will be high

2
Q

SBA Question
“A young woman presents to endocrine clinic who complains of secondary amenorrhoea and galactorrhoea. Her GP measured her prolactin at 4500 (high) What would you expect her blood results to show?”

1) low LH, low FSH, low oestradiol
2) low LH, high FSH, low testosterone
3) high LH, high FSH, low oestradiol
4) high LH, high FSH, high oestradiol

A

1) low LH, low FSH, low oestradiol

Prolactin is switching off GnRH pulsatility thus lowering LH and FSH and lowering sex hormone production.