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Micro. mid-year

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Microbiology
atbaa2020asu
Quiz by atbaa2020asu, updated more than 1 year ago
atbaa2020asu
Created by atbaa2020asu over 8 years ago
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Resource summary

Question 1

Question
In central tolerance .. Receptor editing happens to :
Answer
  • B lymphocytes
  • T lymphocytes
  • Macrophages
  • NK cells

Question 2

Question
Rheumatic fever is :
Answer
  • autoimmune disease caused by alteration of self antigens
  • hypersensitivity type II
  • autoimmune disease caused by infection
  • immunodeficiency disease

Question 3

Question
after graft transplantation, immunosuppresives are not necessary in case of :
Answer
  • kidney transplantation
  • corneal transplantation
  • liver transplantation
  • different twins

Question 4

Question
these substances help in tumor evasion of immunity except :
Answer
  • Glycocalyx molecules
  • IL-10
  • MHC class I
  • Fas

Question 5

Question
anti CD 14 is used in testing :
Answer
  • number of T lymphocytes
  • function of phagocytes
  • function of T lymphocytes
  • number of phagocytes

Question 6

Question
all bacteria that cause meningitis have capsule except:
Answer
  • strept aglactia
  • strept pneumonie
  • listeria
  • gonococci

Question 7

Question
1ry cell involved in pathogenesis from endotoxins are:
Answer
  • macrophages
  • T- lymphocytes
  • B - lymphocytes
  • neutrophils

Question 8

Question
1ry cell involved in pathogenesis from superantigens are :
Answer
  • macrophage
  • T- lymphocytes
  • B - lymphocytes
  • neutrophils

Question 9

Question
protein a is the virulence factor of :
Answer
  • staph aureus
  • strept pyogen
  • gonococci
  • listeria

Question 10

Question
endocarditis is caused by :
Answer
  • staph epidedimitis
  • strept pyogen
  • enterococcus
  • all of the above

Question 11

Question
specific diseases of strept are:
Answer
  • scarlet fever, scalded skin syndrome
  • necrotizing fascilitis, scarlet fever
  • eryspials, cellulitis
  • food poisoning, scalded skin syndrome

Question 12

Question
vancomycin treats all of the following except:
Answer
  • MRSA
  • enterococcus
  • staph. epidedmitis
  • staph. aureus

Question 13

Question
G (-ve) bacilli are treated by :
Answer
  • pencillin
  • vancomycin
  • cephalosporin
  • rifampcin

Question 14

Question
which of the following isn't considered from toxigencity tests:
Answer
  • elek's test
  • PCR
  • cultivation
  • ELISA

Question 15

Question
patients with nausea , vomiting , abdominal crampsm has history of eating fried rice from 6 h the cause for this symptoms is :
Answer
  • enterotoxin of staph aureus
  • leukocidin of strept pyogen
  • enterotoxin of bacillus cereus
  • autolysin of pneumococci

Question 16

Question
core of HBV contains
Answer
  • parially double standed DNa
  • DNa polymerase
  • HBe Ag
  • all above

Question 17

Question
DNA particle of HBV includes:
Answer
  • HBv Ag
  • core
  • caspid
  • all above

Question 18

Question
lab diagnosis of HAV can be done by all execpt:
Answer
  • Rt_PCR
  • detection of anti HAV abs
  • detection of viral particle by Em
  • detection of inclution bodies

Question 19

Question
the most important marker detected by biopsy is:
Answer
  • HBs
  • HBe Ag
  • HBe
  • HBs Ab

Question 20

Question
RIBs is used as a confirmatory test for diagnosis of :
Answer
  • HBs Ag
  • polmerase enzyme
  • core Ag
  • all above

Question 21

Question
the coat of the virus is composed of :
Answer
  • spikes
  • protomers
  • virons
  • capsomers

Question 22

Question
the envelope of the virus is drived from:
Answer
  • cell memberane of host
  • proteins
  • receptors
  • non of above

Question 23

Question
EBv latency occurs in:
Answer
  • -B cell
  • t cell
  • monocyte
  • macrophage

Question 24

Question
the virus producing 6 th disease (roseola infantum):
Answer
  • Hsv
  • HHv7
  • HHv6
  • HHv8

Question 25

Question
in the tissue culturing of herpes viruses the growth can be defined as:
Answer
  • cytopathic effect
  • intranuclear inclusion bodies
  • transformation
  • a&b

Question 26

Question
the adenovirus vaccine is:
Answer
  • given to millary groups
  • live attenuated
  • protect from conjuctivities
  • a&b

Question 27

Question
which the following is not caused by human papilloma virus:
Answer
  • eye infection
  • cancer cervix
  • Genital wert
  • laryngeal papilloma

Question 28

Question
-Human papiloma virurs is classified according to:
Answer
  • -Antigenic difference
  • Dna homology
  • morphology
  • all above
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