Question 1

One fact is false about exotoxins:

Accepted Answer

A)  Usually produced by gram +ve bacteria 
B)  Diffusible 
C)  Immunogenic 
D)  Heat stable 
E)  Specific in action 
A)  Usually produced by gram +ve bacteria 
B)  Diffusible 
C)  Immunogenic 
D)  Heat stable 
E)  Specific in action

Question 2

Prion is an atypical virus that contain which of the following:

Accepted Answer

A)  Circular RNA 
B)  Multiple copies of plasmid 
C)  No detectable nucleic acid 
D)  Double stranded RNA 
E)  Host cell DNA instead of viral DNA 
A)  Circular RNA 
B)  Multiple copies of plasmid 
C)  No detectable nucleic acid 
D)  Double stranded RNA 
E)  Host cell DNA instead of viral DNA

Question 3

Lophotrichous:
A(One flagellum at both ends
B(Tuft of flagella
C(Flagella all around the cell
D(Non of these

Accepted Answer

Question 4

Protect the organism from phagocytosis

Accepted Answer

A)  Capsule 
B)  Spore 
C)  Flagella 
D)  Cell wall 
E)  Cytoplasmic membrane 
A)  Capsule 
B)  Spore 
C)  Flagella 
D)  Cell wall 
E)  Cytoplasmic membrane

Question 5

Mesosomes are:

Accepted Answer

A)  Cytoplasmic membrane invaginations 
B)  Cell wall structure 
C)  Intra nuclear structure 
D)  Site of action of antibiotics 
A)  Cytoplasmic membrane invaginations 
B)  Cell wall structure 
C)  Intra nuclear structure 
D)  Site of action of antibiotics

Question 6

Capsid symmetry found in smallpox VIRUS IS:

Accepted Answer

A)  Helical 
B)  Complex 
C)  Icosahedral 
D)  Non Of These 
A)  Helical 
B)  Complex 
C)  Icosahedral 
D)  Non Of These

Question 7

Bacterial growth mean:

Accepted Answer

A)  Increase in cell mass 
B)  Increase in cell size 
C)  Increase in cell number 
A)  Increase in cell mass 
B)  Increase in cell size 
C)  Increase in cell number

Question 8

Following are the asexual spores of fungi except :

Accepted Answer

A)  Ascospores 
B)  Arthrospores 
C)  Blastospores 
D)  Chlamydospores 
A)  Ascospores 
B)  Arthrospores 
C)  Blastospores 
D)  Chlamydospores

Question 9

Apparently healthy individuals carrying a pathogenic organism without showing clinical manifestations:

Accepted Answer

A)  Infected 
B)  Carriers 
C)  True pathogens 
D)  Opportunistic pathogens 
A)  Infected 
B)  Carriers 
C)  True pathogens 
D)  Opportunistic pathogens

Question 10

Sites of protein synthesis In bacteria Is:

Accepted Answer

A)  Ribosomes 
B)  Mesosomes 
C)  Inclusion granules 
D)  Chromosome 
A)  Ribosomes 
B)  Mesosomes 
C)  Inclusion granules 
D)  Chromosome

Question 11

Which of the following statmenets about virus induced cytopathic changes is most accurate:

Accepted Answer

A)  They are pathognomonic for an infecting virus 
B)  They are rarely associated with cell death 
C)  They may include giant cell formation 
D)  They can only be seen by an electron microscope 
A)  They are pathognomonic for an infecting virus 
B)  They are rarely associated with cell death 
C)  They may include giant cell formation 
D)  They can only be seen by an electron microscope

Question 12

Prokaryotes Includes:

Accepted Answer

A)  Fungi 
B)  Human cell 
C)  Bacteria 
D)  Virus 
A)  Fungi 
B)  Human cell 
C)  Bacteria 
D)  Virus

Question 13

Col factor plasmid carries genetic information responsible for:

Accepted Answer

A)  Antibiotic resistance 
B)  Sex pili 
C)  Bacteriocin 
D)  Toxin production 
A)  Antibiotic resistance 
B)  Sex pili 
C)  Bacteriocin 
D)  Toxin production

Question 14

Enzyme which can destroy neutrophils and macrophages:

Accepted Answer

A)  Leukocidins 
B)  IgA protease 
C)  Coagulase 
D)  Collagenase 
A)  Leukocidins 
B)  IgA protease 
C)  Coagulase 
D)  Collagenase

Question 15

The time from initial contacts with the infectious agents to the appearance of the $ 1^{14} $ symptoms:

Accepted Answer

A)  Prodromal stage 
B)  Invasion stage 
C)  Incubation period 
D)  Convalescent period 
A)  Prodromal stage 
B)  Invasion stage 
C)  Incubation period 
D)  Convalescent period

Question 16

Infection that has a worldwide distribution:

Accepted Answer

A)  Epidemic 
B)  Pandemic 
C)  Endemic 
A)  Epidemic 
B)  Pandemic 
C)  Endemic

Question 17

Which of the following can be used to quantitate the titer of infectious viruses:

Accepted Answer

A)  Plaque assay 
B)  Electron microscopy 
C)  Hemagglutination 
D)  PCR 
E)  Enzyme immunoassay 
A)  Plaque assay 
B)  Electron microscopy 
C)  Hemagglutination 
D)  PCR 
E)  Enzyme immunoassay

Question 18

Phospholiopid bilayer:

Accepted Answer

A)  Cell wall 
B)  Cytoplasmic membrane 
C)  Capsule 
D)  Spore 
A)  Cell wall 
B)  Cytoplasmic membrane 
C)  Capsule 
D)  Spore

Question 19

Lipid A is a cell wall component of :

Accepted Answer

A)  Gram positive bacteria 
B)  Gram negative bacteria 
C)  Fungi 
D)  Virus 
A)  Gram positive bacteria 
B)  Gram negative bacteria 
C)  Fungi 
D)  Virus

Question 20

Sex pili is responsible for:

Accepted Answer

A)  Bacterial adhesion 
B)  Bacterial motility 
C)  Gene transfer 
D)  Bacterial renlication 
A)  Bacterial adhesion 
B)  Bacterial motility 
C)  Gene transfer 
D)  Bacterial renlication

One fact is false about exotoxins:

Prion is an atypical virus that contain which of the following:

Lophotrichous: A(One flagellum at both ends B(Tuft of flagella C(Flagella all around the cell D(Non of these

Protect the organism from phagocytosis

Mesosomes are:

Capsid symmetry found in smallpox VIRUS IS:

Bacterial growth mean:

Following are the asexual spores of fungi except :

Apparently healthy individuals carrying a pathogenic organism without showing clinical manifestations:

Sites of protein synthesis In bacteria Is:

Which of the following statmenets about virus induced cytopathic changes is most accurate:

Prokaryotes Includes:

Col factor plasmid carries genetic information responsible for:

Enzyme which can destroy neutrophils and macrophages:

The time from initial contacts with the infectious agents to the appearance of the $1^{14}$ symptoms:

Infection that has a worldwide distribution:

Which of the following can be used to quantitate the titer of infectious viruses:

Phospholiopid bilayer:

Lipid A is a cell wall component of :

Sex pili is responsible for:

Filters

Exam 1: Pathogenesis-Antibiotic-Structure

One fact is false about exotoxins:

Prion is an atypical virus that contain which of the following:

Lophotrichous: A(One flagellum at both ends B(Tuft of flagella C(Flagella all around the cell D(Non of these

Protect the organism from phagocytosis

Mesosomes are:

Capsid symmetry found in smallpox VIRUS IS:

Bacterial growth mean:

Following are the asexual spores of fungi except :

Apparently healthy individuals carrying a pathogenic organism without showing clinical manifestations:

Sites of protein synthesis In bacteria Is:

Which of the following statmenets about virus induced cytopathic changes is most accurate:

Prokaryotes Includes:

Col factor plasmid carries genetic information responsible for:

Enzyme which can destroy neutrophils and macrophages:

The time from initial contacts with the infectious agents to the appearance of the 114 1^{14} 114 symptoms:

Infection that has a worldwide distribution:

Which of the following can be used to quantitate the titer of infectious viruses:

Phospholiopid bilayer:

Lipid A is a cell wall component of :

Sex pili is responsible for:

Filters

The time from initial contacts with the infectious agents to the appearance of the $1^{14}$ symptoms: