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  • 1. Microbiology, 9e (Tortora) Chapter 21 Objective Questions 1)
  • 2. Which of the following is not normal microbiota of the skin? A)
  • 3. Streptococcus B)
  • 4. Pityrosporum C)
  • 5. Staphylococcus D)
  • 6. Propionibacteri um E)
  • 7. Corynebacteriu m 2)
  • 8. An 8- female has scabs and pus-filled vesicles on her face and throat. Three weeks earlier she had visited her year-old grandmother who had shingles. What infection does the 8-year-old have? A)
  • 9. Chickenpox B)
  • 10. Measles C)
  • 11. Fever blisters D)
  • 12. Scabies E)
  • 13. German measles 3)
  • 14. Which of the following pairs is mismatched? A)
  • 15. S. aureus  impetigo B)
  • 16. S. pyogenes  erysipelas C)
  • 17. P. acnes  acne D)
  • 18. P. aeruginosa  otitis externa E)
  • 19. None of the above 4)
  • 20. The etiologic agent of warts is A)
  • 21. Papovavirus. B)
  • 22. Poxvirus. C)
  • 23. Herpesvirus. D)
  • 24. Parvovirus E)
  • 25. None of the above. 5)
  • 26. Which of the following is not a characteristic of P. aeruginosa? A)
  • 27. Gram-positive rods B)
  • 28. Oxidative metabolism C)
  • 29. Oxidase positive D)
  • 30. Produce pyocyanin E)
  • 31. None of the above
  • 32. 6)
  • 33. Which of the following pairs is mismatched? A)
  • 34. Pustular rash  smallpox B)
  • 35. Koplik spots  rubella C)
  • 36. Papular rash  measles D)
  • 37. Vesicular rash  chickenpox E)
  • 38. None of the above 7)
  • 39. Which of the following is not transmitted by the respiratory route? A)
  • 40. Smallpox B)
  • 41. Chickenpox C)
  • 42. German measles D)
  • 43. Cold sore E)
  • 44. None of the above 8)
  • 45. Which of these is not caused by herpesvirus? A)
  • 46. Chickenpox B)
  • 47. Shingles C)
  • 48. Keratoconjunc tivitis D)
  • 49. Smallpox E)
  • 50. None of the above 9)
  • 51. Thrush and vaginitis are caused by A)
  • 52. Herpesvirus. B)
  • 53. Chlamydia trachomatis. C)
  • 54. Candida albicans. D)
  • 55. Staphylococcus aureus. E)
  • 56. Streptococcus pyogenes. 10)
  • 57. The greatest single cause of blindness in the world is A)
  • 58. Neonatal gonorrheal ophthalmia. B)
  • 59. Keratoconjunc tivitis. C)
  • 60. Trachoma. D)
  • 61. Inclusion conjunctivitis. E)
  • 62. Pinkeye.
  • 63. 11)
  • 64. Which of the following can be treated with topical chemotherapeutic agents? A)
  • 65. Herpes gladiatorium B)
  • 66. Sporotrichosis C)
  • 67. Dermatomyco sis D)
  • 68. Rubella E)
  • 69. None of the above 12)
  • 70. Which of the following is not a cause of ringworm? A)
  • 71. Microsporum B)
  • 72. Trichophyton C)
  • 73. Tinea capitis D)
  • 74. Epidermophyto n E)
  • 75. None of the above 13)
  • 76. Newbor ns' eyes are treated with an antibiotic when A)
  • 77. N. gonorrhoeae is isolated from the eyes. B)
  • 78. The mother is blind. C)
  • 79. The mother has genital herpes. D)
  • 80. The mother has gonorrhea. E)
  • 81. Always. 14)
  • 82. A possible complication of herpetic keratitis is A)
  • 83. Encephalitis. B)
  • 84. Fever blisters. C)
  • 85. Subacute sclerosing panencephalitis. D)
  • 86. Congenital rubella syndrome. E)
  • 87. None of the above. 15)
  • 88. Which of the following is sensitive to penicillin? A)
  • 89. Chlamydia B)
  • 90. Herpesvirus C)
  • 91. Candida D)
  • 92. Streptococcus E)
  • 93. Pseudomonas
  • 94. 16)
  • 95. Which region of the skin supports the largest bacterial population? A)
  • 96. Axilla B)
  • 97. Scalp C)
  • 98. Forearms D)
  • 99. Legs E)
  • 100. All are equal 17)
  • 101. Which infection is caused by S. aureus? A)
  • 102. Pimples B)
  • 103. Sty C)
  • 104. Furuncle D)
  • 105. Carbuncle E)
  • 106. All of the above 18)
  • 107. Which of the following is not a characteristic used to identify S. pyogenes? A)
  • 108. Coagulase- positive B)
  • 109. Group A cell wall antigen C)
  • 110. Group M proteins D)
  • 111. Beta- hemolytic E)
  • 112. None of the above 19)
  • 113. Which of the following is not a causative agent of conjunctivitis? A)
  • 114. Chlamydia trachomatis B)
  • 115. Herpes simplex C)
  • 116. Adenovirus D)
  • 117. Neisseria gonorrhoeae E)
  • 118. Hemophilus aegyptii 20)
  • 119. In which of the following respects is measles similar to German measles? A)
  • 120. Rash B)
  • 121. Etiologic agent C)
  • 122. Encephalitis as a complication D)
  • 123. Congenital complications E)
  • 124. In name only
  • 125. 21)
  • 126. Vaccinati on for rubella is A)
  • 127. Not necessary because the disease is mild. B)
  • 128. Not necessary if a person has had an infection. C)
  • 129. Recommende d only for pregnant women. D)
  • 130. Recommende d for newborns to prevent congenital disease. E)
  • 131. None of the above. 22)
  • 132. All of the following statements about congenital rubella syndrome are true except A)
  • 133. It is contracted in utero. B)
  • 134. It may be fatal. C)
  • 135. It may result in deafness, blindness, and mental retardation. D)
  • 136. It doesn't occur with subclinical infections. E)
  • 137. All of the above are true. 23)
  • 138. The etiologic agent of chickenpox. A)
  • 139. Herpes simplex B)
  • 140. Herpes zoster C)
  • 141. HHV-6 D)
  • 142. Parvovirus E)
  • 143. Poxvirus 24)
  • 144. The etiologic agent of fifth disease. A)
  • 145. Herpes simplex B)
  • 146. Herpes zoster C)
  • 147. HHV-6 D)
  • 148. Parvovirus E)
  • 149. Poxvirus 25)
  • 150. The etiologic agent of roseola. A)
  • 151. Herpes simplex B)
  • 152. Herpes zoster C)
  • 153. HHV-6 D)
  • 154. Parvovirus E)
  • 155. Poxvirus
  • 156. 26)
  • 157. The etiologic agent of fever blisters. A)
  • 158. Herpes simplex B)
  • 159. Herpes zoster C)
  • 160. HHV-6 D)
  • 161. Parvovirus E)
  • 162. Poxvirus 27)
  • 163. Used to treat epidemic herpetic keratitis. A)
  • 164. Penicillin B)
  • 165. Sulfonamide C)
  • 166. Trifluridine D)
  • 167. Fungicide E)
  • 168. None of the above 28)
  • 169. Used to treat smallpox. A)
  • 170. Penicillin B)
  • 171. Sulfonamide C)
  • 172. Trifluridine D)
  • 173. Fungicide E)
  • 174. None of the above 29)
  • 175. Used to treat sporotrichosis. A)
  • 176. Penicillin B)
  • 177. Sulfonamide C)
  • 178. Trifluridine D)
  • 179. Fungicide E)
  • 180. None of the above 30)
  • 181. Used to treat candidiasis. A)
  • 182. Penicillin B)
  • 183. Sulfonamide C)
  • 184. Trifluridine D)
  • 185. Fungicide E)
  • 186. None of the above
  • 187. 31)
  • 188. Scabies is a skin disease caused by A)
  • 189. A slow virus. B)
  • 190. A protozoan. C)
  • 191. A mite. D)
  • 192. A bacterium. E)
  • 193. A prion. 32)
  • 194. Scabies is transmitted by A)
  • 195. Fomites. B)
  • 196. Food. C)
  • 197. Water. D)
  • 198. Soil. E)
  • 199. None of the above. 33)
  • 200. A patient has pus-filled vesicles and scabs on her face, throat, and lower back. She most likely has A)
  • 201. Measles. B)
  • 202. Mumps. C)
  • 203. Chickenpox. D)
  • 204. Rubella. E)
  • 205. Smallpox. 34)
  • 206. Which of the following leads to all the others? A)
  • 207. Toxemia B)
  • 208. Scalded skin syndrome C)
  • 209. Staphylococcal infection D)
  • 210. TSST-1 E)
  • 211. Sudden drop in blood pressure 35)
  • 212. Herpes gladiatorium is transmitted by A)
  • 213. Direct contact. B)
  • 214. The respiratory route. C)
  • 215. The fecal-oral route. D)
  • 216. Insect bites. E)
  • 217. All of the above.
  • 218. 36)
  • 219. The patient has a papular rash. Microscopic examination of skin scrapings reveals small 8-legged animals. A)
  • 220. Candida B)
  • 221. Microsporum C)
  • 222. P. aeruginosa D)
  • 223. S. aureus E)
  • 224. Scabies 37)
  • 225. The has vesicles and scabs over her forehead. Microscopic examination of skin scrapings shows gram-positive cocci patient in clusters. A)
  • 226. Candida B)
  • 227. Microsporum C)
  • 228. P. aeruginosa D)
  • 229. S. aureus E)
  • 230. Scabies 38)
  • 231. The patient has scaling skin on his fingers. Conidiospores are seen in microscopic examination of skin scrapings. A)
  • 232. Candida B)
  • 233. Microsporum C)
  • 234. P. aaeruginosa D)
  • 235. S. aureus E)
  • 236. Scabies 39)
  • 237. A 45- male has pus-filled vesicles distributed over his back in the upper right quadrant, over his right shoulder, and year-old upper right quadrant of his chest. His symptoms are most likely due to A)
  • 238. Candida albicans. B)
  • 239. Herpes simplex virus. C)
  • 240. Staphylococcus aureus. D)
  • 241. Streptococcus pyogenes. E)
  • 242. Varicella- zoster virus. 40)
  • 243. A 35- female has a red, raised rash on the inside of her thighs. Gram-stained skin scrapings show large budding cells year-old with pseudohyphae. The infection is caused by A)
  • 244. Candida albicans. B)
  • 245. Herpes simplex virus. C)
  • 246. Staphylococcus aureus. D)
  • 247. Streptococcus pyogenes. E)
  • 248. Varicella- zoster virus.
  • 249. 41)
  • 250. Cytoplas inclusions were observed in a fetus that died in utero after 6 months' gestation. The probable cause of the fetus's mic death was A)
  • 251. Fifth disease. B)
  • 252. Herpes simplex. C)
  • 253. Measles. D)
  • 254. Staphylococcus aureus. E)
  • 255. Streptococcus pyogenes. 42)
  • 256. Assume partner swabs the side of his face and used the swab to inoculate a nutrient agar plate. The next day, he that your performs a Gram stain on the colonies. They are gram-positive cocci. You advise him that he should next look lab for A)
  • 257. An acid-fast reaction. B)
  • 258. A coagulase reaction. C)
  • 259. Conidiospores . D)
  • 260. Pseudohyphae . E)
  • 261. Pseudopods. 43)
  • 262. Which of the following is incorrectly matched? A)
  • 263. Chickenpox  Poxvirus B)
  • 264. Conjunctivitis  Chlamydia trachomatis C)
  • 265. Conjunctivitis  Pseudomonas D)
  • 266. Infected tissue fluoresces  Dermatomycosis E)
  • 267. Opportunistic infection in AIDS patients  Candidiasis 44)
  • 268. A 17- male has pus-filled cysts on his face and upper back. Microscopic examination reveals gram-positive rods. This year-old infection is A)
  • 269. Acne. B)
  • 270. Boils. C)
  • 271. Carbuncles. D)
  • 272. Impetigo. E)
  • 273. Pimples. 45)
  • 274. A 17- male has pus-filled cysts on his face and upper back. Microscopic examination reveals gram-positive rods. This year-old infection is caused by A)
  • 275. Acanthamoeba. B)
  • 276. Herpes simplex virus. C)
  • 277. Propionibacteri um acnes. D)
  • 278. Staphylococcus aureus. E)
  • 279. Streptococcus pyogenes.