Examlex
Which of the following metals reacts with dilute nitric acid?
Amenorrhea
The absence of menstruation in someone of reproductive age, which can be a symptom of various medical conditions or the result of natural causes like pregnancy.
Premenstrual Syndrome (PMS)
A collection of physical and emotional symptoms that occur in the one to two weeks before a woman's period.
Toxic Shock Syndrome (TSS)
A rare, potentially fatal condition caused by bacterial toxins, often associated with tampon use or nasal packing.
Secondary Amenorrhea
The cessation of menstrual periods for three months or more after regular menstrual cycles have been established, not due to pregnancy, menopause, or other natural reasons.
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