This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pregnancy, Subject name: Pharmacology
Drugs contraindicated in pregnancy are all EXCEPT 
Select and explain. 
A. Chloroquine, B. Primaquine, C. Tobramycin, D. ACE inhibitor
A: Chloroquine
Answer: A: Chloroquine 
Explanation: Class of Drugs contraindicated in pregnancy and its safer alternativeClass of drugContraindicatedSafer alternativeAntibacterials (systemic bacterial infections)Cotrimoxazole, Fluoroquinolones(X), Tetracycline (X), Doxycycline (X), Chloramphenicol (X), Gentamicin, Streptomycin (X), Kanamycin (X), Tobramycin (X), Clarithromycin, Azithromycin, Clindamycin, Vancomycin, Nitrofurantoin,Penicillin G, Ampicillin Amoxicillin- clavulanate Cloxacillin, Piperacillin Cephalosporins ErythromycinAntitubercularPyrazinamide, Streptomycin (X)Isoniazid, Rifampicin, EthambutolAntimalarialArtemether, Artesunate Primaquine (X)Chloroquine, Mefloquine, Proguanil Quinine (only in 1st trimester), Pyrimethamine + Sulfadoxine (only single dose.)AntihypertensivesACE inhibitors (X), Angiotensin antagonists (X). Thiazide diuretics Furosemide, Propranolol NitroprussideMethyldopa, Hydralazine, Atenolol Metoprolol, Pindolol, Nifedipine Prazosin, Clonidine