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study+questions+67+with+answers - Describe the three...

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Describe the three different treatments used to treat syphilis throughout history. Answer : The first was mercury which was used until salvarsan was discovered by Paul Ehrlich in the early 20th century. This would remain the preferred drug for treatment of the disease until penicillin began to be used for syphilis in the 1940s. What neuroreceptor does Botox block to stop muscle contraction ? Answer : It blocks acetylcholine, which signals a muscle to contract. What is one major birth defect caused by the morning sickness drug Thalidomide ? Answer : Misformed limbs upon birth, misformed organs, nervous system problems. How was the drug for syphilis discovered? a)Serendipitously found on a petri dish containing Staphylococcus b)Microbe that killed syphilis was found while finding the cure for sleeping sickness c)The substance was isolated from the bacterium Clostridium botulinum d)It was synthesized from Thalidomide Answer: B The use of Botox can lead to: a)Ptosis b)Nausea c) tumors d)A and B e)B and C Answer: D
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