According to sex researchers Masters and Johnson, the first stage of the human sexual response cycle ...

According to sex researchers Masters and Johnson, the first stage of the human sexual response cycle is
 
  A) excitement.
  B) plateau.
  C) orgasm.
  D) resolution.

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Amenorrhea is clinically defined as having no periods for at least
 
  A) one year.
  B) six weeks.
  C) two consecutive months.
  D) three consecutive months.

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What differentiates PMDD from PMS?
 
  A) PMDD is less severe than PMS.
  B) PMS affects a woman psychologically; PMDD affects a woman physiologically.
  C) PMDD is more severe than PMS and affects a woman's daily functioning and social relationships.
  D) PMDD is more common than PMS but both have similar symptoms.

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The hormone associated with stimulating the release of an ovum is
 
  A) progesterone.
  B) estrogen.
  C) LH.
  D) FSH.

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Dysmenorrhea is characterized by
 
  A) painful menstruation.
  B) a lack of periods.
  C) debilitating PMS.
  D) anxiety and sadness.