Clinical Qbank(3rd Year Subjects)

358 ) 7. Ans. (a) Index case Ref: K. Park 23rd ed. pg. 95 • Index Case: In epidemiology, first case of a disease in a group which is seen by an investigator or which brought to the attention of the clinician. It is not always the primary case. • Primary case: First case of communicable disease introduced into the population unit being studied. • Secondary case: All case who develop from primary case • Incubation period: Entry of organism till 1st sign/ symptom • Median incubation: Time period for 50% case to occur. 🎲For more questions, Join @thirdyearmbbsquestions and attend Live Quizzes @ PrepNEXT at 9:30 PM Daily !!

357 ) Ans. (b) 0.5 cc Ref: K. Park, 23rd ed. pg. 148 • Only live attenuated vaccines are recommended for use. • The vaccine is presented as freeze-dried product. Before use, the lyophilized vaccine is reconstituted with sterile diluent. • Each dose of 0.5 cc contains > 1000 viral infective units of the vaccine strain 🎲For more questions, Join @thirdyearmbbsquestions and attend Live Quizzes @ PrepNEXT at 9:30 PM Daily !!

356)Ans. (a) Paraffin wax Ref: Principle of Forensic Medicine & Toxicology, 2017 ed. Bardale, P 217, • The basic formula for black powder: ƒ A mixture of saltpeter (potassium nitrate), charcoal and sulfur. ƒ Later versions of gunpowder contain these same basic ingredients, but the overall chemistry evolved to include modifications that produced “smokeless gunpowder,” Cordite, which eliminated the sulfur. ƒ Other advances added materials such as nitrocellulose (guncotton) and glycerol trinitrate (nitroglycerin). 🎲For more questions, Join @thirdyearmbbsquestions and attend Live Quizzes @ PrepNEXT at 9:30 PM Daily !!

355) Ans. (a) Azithromycin Ref: K. Park, 23rd ed. pg. 308-309 • Trachoma is caused by C. Trachomatis. • I.P.- 5-12 days • SAFE strategy used for control of trachoma ƒ S: Surgery ƒ A: Antibiotic ƒ F: Face wash ƒ E: Environment • DOC for Trachoma: Azithromycin > tetracycline 🎲For more questions, Join @thirdyearmbbsquestions and attend Live Quizzes @ PrepNEXT at 9:30 PM Daily !!

354 ) Ans. (d) All of the above Ref: K. Park, 23rd ed. pg. 199-200 Definition of Extensive Drug Resistance • Resistance to both isoniazid (H) and rifampicin, and • Resistance to 1 fluoroquinolones and • Resistance to one 2nd line injectables out of 3 (kanamycin, amikacin, capreomycin). Older Definition of XDR • Resistance of isoniazid (H) and rifampicin both + • Resistance to any 3rd line drugs. 🎲For more questions, Join @thirdyearmbbsquestions and attend Live Quizzes @ PrepNEXT at 9:30 PM Daily !!

353 ) . Ans. (c) Case detection with the help of X-ray chest Ref: K. Park, 23rd ed. pg. 176, 188, 427, Park, 19th pg. 354 Good quality sputum microscopy and not X ray chest is one of the components of DOTS, DOTS components • Political commitment • Good quality sputum microscopy • Directly observed treatment • Uninterrupted supply of good quality drugs • Accountability 🎲For more questions, Join @thirdyearmbbsquestions and attend Live Quizzes @ PrepNEXT at 9:30 PM Daily !!

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352 ) Ans. (b) 2 days before and 5 days after rash appearance Ref: K. Park, 23rd ed. pg. 143 • Chicken pox is infective 2 days before appearance of rash and 5 days after rash disappearance. • Measles is infective 4 days before appearance of rash and 5 days after rash disappearance • Mnemonic: rule of 25 and 45 ƒ 2–5: chicken pox ƒ 4–5: measles 🎲For more questions, Join @thirdyearmbbsquestions and attend Live Quizzes @ PrepNEXT at 9:30 PM Daily !!

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351 ) Ans. (a) Magistrate • Magistrate inquests are usually done in following circumstances: ƒ Dowry death, i.e. unnatural death within 7 years of marriageƒ Death in prison ƒ Death in police custody or interrogation or during police firing ƒ Death in any psychiatric hospital • Exhumation, i.e. digging out of an already buried body is also done upon order of magistrate. 🎲For more questions, Join @thirdyearmbbsquestions and attend Live Quizzes @ PrepNEXT at 9:30 PM Daily !!

350 ) Ans. (c) After 48 hours of hospitalization Ref: K. Park, 23rd ed. pg. 94, 359 • Nosocomial infections are hospital acquired infections. • It is considered nosocomial if it develops after a minimum of 48 hours of hospitalization. • Most common organism responsible for nosocomial infection: Staph. Aureus. 🎲For more questions, Join @thirdyearmbbsquestions and attend Live Quizzes @ PrepNEXT at 9:30 PM Daily !!