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Physiology

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Endocrinology

Question
4 out of 19
 

Which of the following is responsible for menopausal hot flashes: (DNB Dec-2009)



A Decreased progesterone
B Decreased estrogen

C LH surge
D FSH surge

Ans. C LH surge
  1. The most common menopausal symptoms are vasomotor instability (hot flashes), atrophy of the urogenital epithelium and skin, decreased size of the breasts, and osteoporosis.
  2. HOT FLASHES (FLUSHES) may start with an aura preceding abdominal discomfort quickly followed by a feeling of heat moving toward the head.
  3. Next the face becomes red, and then there is sweating followed by exhaustion.
  4. The pathogenesis of the hot flash is uncertain.
  5. There is a close Relationship between the onset of the hot flash and pulses of LH secretion.
  6. LH is secreted in episodic bursts at intervals of 30-60 minutes, and in the absence of gonadal hormones, these burst are large.
  7. EACH HOT FLASH BEGINS WITH THE START OF A BURST.

Endocrinology Flashcard List

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