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4 Which is responsible for causing more infections in every area of the human body 2 Which is an obligatory intracellular pathogen 3 Which is a Gram opportunistic pathogen Test 3 practice questions 1 E coli belongs to a Gram b Gram c Green sulfur d Spirochetes e Actinomycetes a Riskettsia b Neisseria c Samonella d Streptococcus a Wolbachia b Bdellovibrio c Azomonas d Pseudomonas a Streptococcus b Neisseria c d Samonella Staphylococcus a Treponema b Mycobacterium c Bacillus d Streptococcus a E Coli b Streptococcus c Chlamydiae d Staphylococcus 5 Which is not gram positive 6 Elementary bodies found in 7 Mycoplasmas differ from other bacteria because they a Are motile b Aare acid fast c Lack a cell wall d Grow inside host cells e Are not culturable 8 Borrelia is classified as a spirochete because it Is aerobic a b Possesses an axial filament 9 Which lacks an outer membrane c d Is a rod Is a pathogen a Pseudomonas b Salmonella c d Bacteroides e Rickettsia Streptococcus 10 Rickettsias differ from chlamydias in that they a Are gram b Are intracellular parasites c Require an arthropod for transmission d Form elementary bodies 11 Actinomycetes differ from fungi in that actinomycetes lack a membrane bounded nucleus require light a are chemoheterotrophs b c d are decomposers e cause disease 12 In commensalism a one benefits one unaffected a epidemic 14 Which is not spread by droplet transmission a botulism caused by food borne 13 A disease acquired by many people in a given area in a short time is called 15 The spread of disease agents via contaminated water is an example of transmission 16 The morbidity and mortality weekly report is published by 17 Who made a map showing that people infected with cholera drank from the broad street well a vehicle a CDC snow a a chicken pox 18 Example of contagious disease 19 Which is not a factor that contributes to nosocomial infections chain of transmission a Compromised host b c microorganisms in hospital d none a UTI a contact and vehicle 20 Most common type of nosocomial infection 21 Nosocomial infections are primarily transmitted through transmission 22 Which of the following measures is not used to prevent nosocomal infections 23 False about nosocomial infections a The patient was infected before hospitalization 24 Which of the following strains of Legionella pneumophila most easily causes an infection 25 Poliovirus is ingested and gains access to tissues by which of the following portal of entries a Antiseptic b c d education of staff frequent hand washing increase antibiotics a Strain A ID50 200 cfu b Strain B ID50 5000 cfu c Strain C ID50 50 cfu d Strain D ID50 500 cfu e Can t tell a Skin b Mucous membranes c Parenteral d All of these e None of these 26 Which is not a protein a Exotoxin b Endotoxin c Toxoid d Antitoxin e Antibody 27 Which portal of entry is most often used by microorganisms a Mucous of the respiratory route 28 Clostridium tetani causes the disease tetanus by producing a neurotoxin which is an a exotoxin b c it is a protein 29 Which of the following is not considered as a bacterial virulence factor a A membrane disrupting enzyme b Cell wall components c Toxin d Bacterial factors involved in adhesion of bacteria to host e None of these 30 Which host defense is more effective against gram positive bacteria than gram negative bacteria a Mucus b Sebum c Gastric Juice d Lysozyme 31 The classical pathway for complement activation is initiated by Lipid carbohydrate complexes and C3 a b C5 and C9 c Antigen and Ab reactions d Factors released from phagocytes e Factors released from damaged tissues 32 Innate immunity a Slower than an adaptive immunity in responding to pathogens b Nonspecific and present at birth c d e Provides increased susceptibility to disease Involves memory component Involves B and T cells


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FSU MCB 2004 - Test 3

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