chapter 21 micro test bank

1) All of the following are normal microbiota of the skin EXCEPT A) Streptococcus. B) Micrococcus. C) Staphylococcus. D) Propionibacterium. E) Corynebacterium - A) Streptococcus. 2) An eight-year-old girl has scabs and pus-filled vesicles on her face and throat. Three weeks earlier she had visited her grandmother, who had shingles. What infection does the eight-year-old have? A) chickenpox B) measles C) fever blisters D) scabies - A) chickenpox 3) Which of the following is NOT true of acne? A) It can be treated by eliminating fatty foods from the diet. B) It is often due to the action of Propionibacterium. C) Drugs that inhibit sebum formation are useful in treating inflammatory acne. D) Mild cases are treated with topical agents. E) Antibiotics may be prescribed for moderate cases. - A) It can be treated by eliminating fatty foods from the diet. 4) Warts are caused by A) papillomavirus. B) poxvirus. C) herpesvirus. D) parvovirus. E) Staphylococcus aureus. - A) papillomavirus. 5) All of the following are characteristic of Pseudomonas aeruginosa EXCEPT A) gram-positive cell wall. B) resistance to many types of disinfectants and antibiotics. C) growth in moist environments. D) production of pyocyanin.