Mcb Randoms

Front 1

skin is difficult for bacteria to colonize because it is

Back 1

all of these

Front 2

___ showed that improved santitation decreases the incidence of epidemic typhus

Back 2

nightingale

Front 3

a sexually transmitted disease is an example of transmission by

Back 3

direct contact

Front 4

yellow fever transmitted by a mosquito is an example of transmission by

Back 4

vector

Front 5

a nocosomial infection is

Back 5

acquired during the course of hospitatlization

Front 6

polovirus is ingested and gains access to tissues by which of the following portal of entries

Back 6

mucous membranes

Front 7

Which of the following organisms would be most sensitive to natural penicillin

Back 7

streptocococcus pyogenes

Front 8

which of the following about antibiotic is NOT true

Back 8

is it found only in gram-neg bacteria

Front 9

_______ is the least abundant in the serum but plays a major role

Back 9

IgD

Front 10

The most abundant class of antibiotics in serum is

Back 10

IgG

Front 11

Which of the following would be selective against the tubercle bacillus

Back 11

isoniazid--inhibits myolic acid synthesis

Front 12

which of the following strains of Legionella

Back 12

strain C ID50=50cfu

Front 13

the host immunity in response to infection of H1N1 influenza virus is an example of

Back 13

natuarally acquired active immunity

Front 14

vaccination results in

Back 14

artificially acquired active immunity

Front 15

which of the these groups of bacteria are the source of the most antibiotics

Back 15

actinomyctes

Front 16

which of the following is an effect of complement activation

Back 16

all of these

Front 17

the classical pathway for complement activation is initiated by

Back 17

antigen-antibody reactions

Front 18

which of the following is true

Back 18

interferon is secreted protein induced by a viral infection

Front 19

which of the following is not considered as a bacterial virulence factor?

Back 19

none of these

Front 20

which of the following is not a protein

Back 20

endotoxin

Front 21

which of the following substances is given to patients exposed to tetanus toxin

Back 21

antitoxin

Front 22

Hep B virus surface antigen can be used in

Back 22

subunit vaccine

Front 23

which of the following cels are the main component of cell-mediated immune responses

Back 23

T-cells

Front 24

which of the following can be used as an antiviral therapeutic strategy

Back 24

all of these

Front 25

Haemophilus influenza B vacine consisting of capsular polysaccharide and a protein is an example of a

Back 25

conjugated vaccine

Front 26

which of the following agency publishes Morbitdy and and mortality weekly report

Back 26

CDC

Front 27

the high mutation rate of HIV make it difficult to produce an effective vaccine for AIDs

Back 27

True

Front 28

Genes confer to antibiotic resistance are sometimes encoded by plasmids

Back 28

true

Front 29

monoclonal antibodies have been used for diagnostic and therapeutic purposes

Back 29

true

Front 30

aseptic techniques help to prevent nocosomial infections

Back 30

true

Front 31

the connection between childhood vaccination and autism is now well accepted the most by scientist

Back 31

false

Front 32

all bacteria produce endotoxin but only

Back 32

false

Front 33

the current HPV vaccines are attenuated infectious viruses

Back 33

false

Front 34

inhibitors of viral enzymes are used as anti-HIV therapies

Back 34

true

Front 35

some forms of pathogenic microorganisms reside in soil or water

Back 35

true

Front 36

an aggressive vaccination effort by WHO led to eradication of smallpox and polio viruses on Earth

Back 36

false

Front 37

the host immunity in response to injection of tetanis

Back 37

artificially acquired active immunity

Front 38

the _______ contributes to diversity of antibodies

Back 38

variable portion of the H an L chains

Front 39

the antibodies found in mucus, saliva, and tears are

Back 39

IgA

Front 40

Which of the following is true about inflammation

Back 40

none of these

Front 41

The most selective antimicrobial activity would be

Back 41

inhibits cell wall sythesis

Front 42

plasmid may carry genes for antibody

Back 42

true

Front 43

dental plaque is a form of biofilm

Back 43

true

Front 44

the M protein of streptococcus pyogenes

Back 44

true

Front 45

the antiviral drug acyclovir inhibits

Back 45

true

Front 46

In Table 1, the most effective antibiotic against Staphylococcus aureus is ______.

Back 46

D

Front 47

In Table 1, which antibiotic would be most useful for treating an E. coli infection?

Back 47

can't tell

Front 48

_________ is the least abundant in the serum but plays important role in allergy disorder

Back 48

IgE

Front 49

which of the following represent antigen-binding sites

Back 49

a and b