1. Which of the following is true about premenstrual dysphoric disorder? A. It is seen in 10% to 20% of women. B. It indicates abnormal ovarian function. C. Symptoms are more severe in a middle-aged woman. D. It is linked to abnormal central serotonergic function. E. It is not associated with sexual abuse. 2. All of the following are true of porphyria except A. Peripheral neuropathy may be seen. B. Elevated ceruloplasmin is seen. C. Benzodiazepines may be used. D. Symptoms may resemble schizophrenia. E. Acute intermittent porphyria is the most common form.