Exam 4 iClicker Questions Which one has broader spectrum A An antibiotic targets at bacterial ribosome and protein synthesis B An antibiotic targets at synthesis of peptidoglycan Which of the following are common modes of action of antibiotics A Inhibition of cell wall synthesis B Inhibition of DNA replication and transcription C Injury to cell membrane D Inhibition of protein synthesis E All of the above Which of the following are the molecular mechanisms of bacterial resistance to antibiotics A Bacteria block entry of antibiotics B Bacteria encode enzymes that inactivate antibiotics C Bacteria mutate the genes encode the proteins targeted by antibiotics D Bacteria pump out antibiotics E All of these If one measures a large zone of inhibition in a disk diffusion test one can assume that bacteria are A Sensitive to the antibiotic B Resistant to the antibiotic C Unaffected by the antibiotic D Bactericidal Which of the following is NOT a method of antibiotic abuse A Prescribing antibiotics for the common cold B Adhering to the dose regimen C Using outdated antibiotics D Using antibiotics in animal feed What organism produces a toxin that causes scalded skin syndrome A Streptococcus B Pseudomonas aeruginosa C Staphylococcus D Mycobacterium ulcerans A Pseudomonas aeruginosa B Coryneforms Which organism often grows in dense biofilms and frequently causes nosocomial by infections in burn patients C Mycobacterium ulcerans D Streptococcus Warts are caused by A Papillomavirus B Poxvirus C Herpesvirus D Parvovirus E Staphylococcus aureus Which of the following statements about congenital rubella syndrome is FALSE It is contracted during the first trimester of pregnancy It may be fatal to the unborn child It may result in deafness blindness and mental retardation A B C D It does not occur with subclinical infections E It can be prevented by vaccinating women prior to pregnancy Which of the following pairs is mismatched A Chickenpox poxvirus B Conjunctivitis Chlamydia trachomatis C Keratitis Acanthamoeba D Otitis extema Pseudomonas E Buruli ulcer Mycobacterium A prion is a n A Abnormally folded protein B Protein subunit C Form of a bacterium D Viral particle Which of the following can cause bacterial meningitis A Neisseria meningitis B Streptococcus pneumonia C Haemophilius influenza D All of the above A Listeria monocytogenes B Streptococcus pneumonia C Clostridium botulinum D Haemophilius influenza Which gram positive rod is known to cause stillbirth and neurological disease in animals The tetanus vaccine is a n A Conjugated vaccine B Toxoid C Attenuated whole agent vaccine D Inactivated whole agent vaccine A bull s eye rash is a common symptom in which disease Rheumatic fever is an autoimmune complication from an infection of What is the usual route of transmission for human herpesvirus 4 Epstein Barr Virus Which of the following is NOT treated with antibiotics A Epidemic typhus B Lyme disease C Endemic Typhus D Tylaremia A Staphylococcus aureus B Francisella tularensis C Brucella melitensis D Streptococcus pyogenes A Contaminated blood B Mosquitos C Aerosol transmission D Transfer of saliva A Plague B Tularemia C Lyme disease D Ebola E Anthrax Which organism produces a tough grayish membrane in the throat A Streptococcus pneumonia B Corynbacterium diptheriae C Mycobacterium tuberculosis D Haemophilus infleunze The mycolic acids of the cell wall are an important factor in the pathogenicity of the organisms that cause A Influenza B Diphtheria C Pertussis D Tuberculosis In influenza viruses minor annual variations in the antigenic makeup are called What allows the influenza virus to recognize and attach to body cells before infecting them A Antigenic drift B Antigenic shift C Mutation D Recombination A Enzymes B Hemagglutinin spikes C Lipid bilayer D Protein coat Dental plaque is an example of A A pellicle B A biofilm C Gingivitis D Dentin E Tooth Enamel A vaccine to provide active immunity to HBV is prepared from A Viruses grown in tissue culture B Genetically modified yeast C Pooled gamma globulin D Viruses grown in embyronated eggs E Viral particles in patients Helicobacter pylori can grow in the stomach because it A Hides in microphages B Makes a capsule C Possesses an enzyme that neutralizes HCl D Makes HCl E Invades epithelial cells Most infections of the urinary tract are caused by A E coli B Candida albicans C Laptospira interrogans D Neisseria gonorrhoeae A Genital herpes B Genital warts C Candidiasis Which of the following is treated with penicillin Which on of the following statements about genital warts is FALSE D Syphilis It is transmitted by direct contact It is caused by papillomaviruses It is always cancerous A B C D It is treated by removing them E It can lead to cervical cancer in women Copious fishy smelling grey white thin frothy discharges are symptoms caused by which organism A Lactobacillus B Candida albicans C Gardnerella vaginalis D Haemophilus ducryi
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