In this task, you are given a question and answer options for that question. Using this information, you have to classify each text into different topics: medicine, nursery, psychology, chemistry, pharmacology, biology.

Question: The effect of anti-D gammaglobulin given to Rh negative women who have developed an Rh positive fetus is: 
 Options:  <0> Eliminate fetal red blood cells from maternal blood. <1> Destroy the antigens formed by the mother's immune system. <2> Avoid the formation of anti-Rh negative antibodies. <3> Induce the formation of maternal antibodies against fetal antigen. <4> Provide the woman with permanent active immunity.
nursery

Question: Acetylation of histones affects transcription: 
 Options:  <0> Blocking the incorporation of other components of the transcription machinery. <1> Preventing the remodeling of chromatin. <2> Facilitating the action of helicases. <3> Decreasing sensitivity to nuclear receptors. <4> Reducing the affinity of histones for DNA.
chemistry

Question: A 34-year-old man consulted for fever and malaise. In the clinical history, homosexual relationships were collected for 4 months with a new partner. 2 months before the current consultation, she had an ulcerous lesion on the glans, painless, with bilateral inguinal adenopathies, all self-limiting. Serological studies are requested with the following results: HIV negative, RPR 1/320, TPHA 1/128. What treatment would you indicate in this patient? 
 Options:  <0> None. <1> Intravenous penicillin G, 24 MU every day for 14 days. <2> Penicillin Benzatine 2.4 MU intramuscular, three doses in three consecutive weeks. <3> Ceftriaxone 2 grams intramuscular in a single dose. <4> Penicillin Benzatine 2.4 MU intramuscular in a single dose.

medicine

