Question

nce of serious symptoms is longer for AIDS 27] A difference between AIDS and Ebola virus a) Only AIDS is acquired by exposure to bodily fluids b) Only Ebola is acquired by exposure to bodily fluids c) The time between infection and appearance of serious symptoms is onger d) The time between infection and a range of serious symptoms is loner for EDO 28) The first synthetie antibiotic was a) penicillin b) sulfonamide c) Salvarsan 606 d) Morphine 29) The structure shown is a) AZT b) fentanyl c) pontosil d) thymine 3o) In a Phase II clinical trial of a drug. a) participants are healthy and we are testing safety b) participants are patients and we are testing safety c) participants are patients and we are testing cftcacy and safety d) participants are healthy and we are testing efficacy and safety) 31) Drug approval by the FDA involves: a) approval of an IND at the end of clinical trials and of an NDA before clinical trials b) approval of both an IND and an NDA before clinical trials start Approval of both in IND and an NDå at the conclusion of successful clinical trials approval of an NDA at the end of clinical trials and of an IND before clinical trials val of hot an IND and an NDA at the conclusof an IND before 32) A drug patent a) will not be published for 17 years b) cannot cover 'us' of an invention in the US e) cannot cover a method of chemical synthesis d) requires the invention to be novel, non-obvious and have a useful purpose 33) Enantiomers of a compound a) are related as image and mirror image but are not superimposable b) have different cbentical and physical properties c) can only have a single chiral center 1) typically have the same or very similar biological activity

Answer 1

27)c

28)c

29)b

30)c

32)d

33)a: enantiomers are mirror image but not superimposable. These have similar chemical properties having one chiral centre