1) Bactria that can invade and colonize the host's tissues leading to infections are a) Noraml flora b) Pathogenic bacteria c) Dead cells 2) Dieaseae is? a) Any deviation from a good conditions to bad b) A disease conditions caused by the presence or growth of infections c) Maltiplication of an infections agent within the body d) Apple 3) infections are charactrized by a rapid onset and short duration a) Local infections b) Diseases c) Acute infections d) Chronic infections 4) Primary infections are an infections that develop in an Individual infected with another pathogen  a) Ture b) False 5) An infections with no clear or obvious symptoms a) Clinicl infections b) Subclunical infections c) Normal flora 6) Symbiotic realtion mean? a) They hate each other b) Botb getting benifts from each other c) Only one getting befints d) Fungi 7) Transient flora a) microorganisms that stay for hour or weeks b) Found usualy in the body and not pathogenic  8) what is NOT a beneficial function of normal flora a) Protection b) Immune System modulation c) That normal flora displaced from their normal site d) Nutrient Metabolism 9) Harmful ex. When Individual is immunocompromised. Normal flora can overgrow to become pathogenic a) True b) False 10) Frank pathogens a) Microbs that normaly dont ceuse infections but can couse disease when host is week b) Are microorganisms that cause disease in healthy Individual c) Disease are mostly cause by toxins d) Babana!!! 11) The ability of an infections agents to cause disease a) Pathogenicty b) The degree of pathogenecity in microorganisms c) Invasion 12) The degree of pathogenecity in microorganisms a) Virulence b) Carrir c) Animal 13) Mechanichal animal vectors a) Infections are6 physicaly transmitted by the animal vector b) The infections agent must incubate in the animals hosts 14) A disease conditions present in a greater than usualy precentge of spicific Population as influeza a) Endemic disease b) Epidemic disease  c) Pandemic disease 15) The suffix emia is a) Infections agent b) Inflamtion c) Thats a useless Information 16) Etiologies a) Study of bactria b) Study of water c) Study of fungi d) Study of the causes of diseases  17) which one is NOT an cause of infections  a) Infections agents b) Genetic factors c) environmental factors d) Lifestyle factors e) Sleep f) Psychological factors 18) Viruses are consider as eukaryotic a) Ture b) False 19) Viruses particales are big in size 1km a) True b) False 20) viruses are obligate intercellular parasites they replicate only in living cells a) Ture b) False 21) viruses have both RAN AND DNA a) True b) False 22) Choose 3 of General charactrs of viruses  a) viruses dous not affect with antibiotics b) Most viruses are sensitive to interferon c) viruses are healthy d) viruses cant grow in artificial media e) viruses have all organells 23) viruses are capble of infecting are forms of life a) True b) False 24) Choose 2 of living charactristics of viruses a) They pruduce at fantastisc rate b) They can mutate c) They are cellular d) No Metabolism in their own and must replicate using host cells 25) Choose all usefuls of viruses a) Phage typing of bacteria b) Sources of enzymes  c) They kill peaple d) Anti cancer agents e) They pruduce toxins f) Gene vectors for protein 26) Choose the reactions to physical and chemical agents to viruses a) Heat and cold b) Ph c) Salts d) Sugar e) Raditaion f) Colors 27) The protein shell that encloss the nucleic acid genome composed of regular repeating subunits that give rise to the crystal appearnce a)  Capsid b) DNA c) Pillow 28) Morphologie units seen in the electron microscooe on the surfaces of icosahedral Virus particles a) Capsomer b) Envolpe c) Nucleocapsid

Microbiology

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