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Review of Pharmacology - 9E (2015)

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Chemotherapy B: Antimicrobials for Specific Conditions<br />

156. Ans. (c) Pyrimethamine (Ref: KDT 6/e p790)<br />

Erythrocytic Schizonticidal Drugs<br />

Fast acting<br />

M - Mefloquine<br />

A - Atovaquone<br />

C - Chloroquine<br />

H - Hal<strong>of</strong>antrine<br />

A - Artemisinins<br />

R - Res-Q [Quinine]<br />

Slow acting<br />

• Pyrimethamine<br />

• Sulfadoxine<br />

• Proguanil<br />

• Tetracyclines<br />

157. Ans. (a) Chloroquine; (b) Hydroxychloroquine (Ref: Khurana 3rd/499; G & G 11/e p1035)<br />

Bull’s eye maculopathy is the appearance <strong>of</strong> macula in which circular bands <strong>of</strong> different shades <strong>of</strong> pink and orange are<br />

visible. It is may be caused by chloroquine and hydroxychloroquine.<br />

158. Ans. (b) Causal prophylactic (Ref: KDT 6/e p782)<br />

Stage<br />

Preerythrocytic<br />

Erythrocytic<br />

Exo-Erythrocytic<br />

Gametocytic<br />

Clinical Use<br />

Causal prophylaxis<br />

– Clinical cure<br />

– Suppressive prophylaxis<br />

– Radical cure<br />

– Pevention <strong>of</strong> transmission<br />

159. Ans. (a) Artemether (Ref: KDT 6/e p792)<br />

Artemisinin derivatives like dihydroartemisinin, arteether and artemether etc. are fastest acting antimalarial drugs.<br />

160. Ans. (a) Chloroquine (Ref: KDT 6/e p786, 788)<br />

• DOC for malaria in pregnant – chloroquine<br />

• DOC for chloroquine resistant malaria in pregnant – Quinine<br />

161. Ans. (b) Mefloquine (Ref: KDT 6th /787, 788)<br />

Mefloquine is effective as a single dose treatment <strong>of</strong> malaria. It can be used for both chloroquine sensitive as well resistant<br />

bacteria.<br />

162. Ans. (d) All <strong>of</strong> the above (Ref: KDT 6/e p786)<br />

163. Ans. (a) Quinine (Ref: KDT 6/e p789)<br />

Among the given options, quinine is the best answer. DOC for uncomplicated chloroquine resistant P. falciparum malaria<br />

is ACT [artemisinin-based combination therapy.]<br />

164. Ans. (b) Primaquine (Ref: KDT 6/e p791)<br />

165. Ans. (a) High volume <strong>of</strong> distribution (Ref: KDT 6/e p786)<br />

166. Ans. (a) Quinine (Ref: KDT 6/e p789)<br />

167. Ans. (d) P. vivax and P. ovale (Ref: KDT 6/e p784)<br />

168. Ans. (d) Mefloquine (Ref: KDT 6/e p787)<br />

169. Ans. (b) Rapid recrudescence <strong>of</strong> malaria (Ref: KDT 6/e p793)<br />

170. Ans. (b) Lumefantrine (Ref: KDT 6/e p796)<br />

171. Ans. (a) Hypoglycemia (Ref: KDT 6/e p789)<br />

172. Ans. (c) Proguanil (Ref: KDT 6/e p909)<br />

173. Ans. (c) It has increased tissue binding (Ref: KDT 6/e p567-568)<br />

174. Ans. (a) Quinine (Ref: CMDT 2010, 1358)<br />

175. Ans. (c) Primaquine (Ref: KDT 6/e p784)<br />

629<br />

Chemotherapy B: General Antimicrobials <strong>Pharmacology</strong> for Specific Conditions<br />

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