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MICROBIOLOGY > MICROBIOLOGY of URTI (Adala) > Flashcards

MICROBIOLOGY of URTI (Adala) Flashcards

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Biology 101 flashcards
1
Q

CMV, EBV, Streptococcus, Corynebacteria

A

Pharyngitis

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2
Q

Paramyxovirus

A

Parotitis

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3
Q

Strep pneumonia, H. influenza, Staph

A

Otitis, Acute Epiglotitis, Sinusitis

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4
Q

Oral Cavity Infection

A

Candida, Strep mutans

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5
Q

Rhinitis

A

Corona and Rhinoviruses

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6
Q

Classic presentation is inflammation of the pharyngeal area or sore throat

A

Pharyngitis

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7
Q 
Causative Agents are:
Cytomegalovirus
Epstein Barr Virus
Streptococcus
Corynebacterium
A

Pharyngitis

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8
Q

DNA virus of the β-herpes group

A

Cytomegalovirus

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9
Q

Owl’s eyes

A

Cytomegalovirus

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10
Q

Primary infection the virus remains latent, probably in the?

A

Bone marrow

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11
Q

T/F: CMV is transmitted across the placenta, within the birth canal, and quite commonly in breast milk

A

T

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12
Q

Saliva, semen, cervical secretions, blood transfusions and organ transplants are also modes of transmission for CMV

A

T

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13
Q

Treatment for CMV

A

Ganciclovir, Foscarnet

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14
Q

Causes Infectious Mononucleosis, associated with Burkitt’s lymphoma, other B-cell lymphomas, Nasopharyngeal carcinoma and Hairy Leukoplakia

A

EBV

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15
Q

EBV infects what type of cells?

A

B cells

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16
Q

Heterophil antibodies

A

EBV

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17
Q

fever, sore throat, lymphadenopathy, splenomegaly, anorexia, lethargy, irregular “hairy” surface on the lateral side of the tongue

A

EBV

18
Q

Capnophilic growth

A

Streptococcus; Grow in an atmosphere enhanced with carbon dioxide

19
Q

Contains M proteins which inhibits phagocytosis and C carbohydrate

A

Streptococcus

20
Q

Hemolysis of Streptococcus is due to the production of enzymes

A

Hemolysins called streptolysin O and streptolysin S

21
Q

Streptococci form a green zone around their colonies as a result of incomplete lysis of red blood cells in the agar

A

Alpha hemolytic

22
Q

Streptococci form a clear zone around their colonies because complete lysis of the red cells occurs

A

Beta hemolytic

23
Q

Is the leading bacterial cause of pharyngitis and cellulitis, impetigo, necrotizing fasciitis, and streptococcal toxic shock syndrome, rheumatic fever and acute glomerulonephritis

A

Str. pyogenes (group A streptococcus)

24
Q

Is the leading cause of neonatal sepsis and meningitis

A

Streptococcus agalactiae (group B streptococcus)

25
Q

Is an important cause of hospital-acquired urinary tract infections and endocarditis

A

Enterococcus faecalis

26
Q

Causes pharyngitis and skin infections

Inhibited by Bacitracin

A

Group A streptococcus (Str.Pyogenes)

27
Q

Colonize the genital tract of some women and can cause neonatal meningitis and sepsis

Bacitracin-resistant, Hydrolyze hippurate

A

Group B streptococci (Str. agalactiae)

28
Q

Include enterococci (e.g., Ent. faecalis and Enterococcus faecium) and nonenterococci (Str. bovis)

A

Group D streptococci

29
Q

Members of the normal flora of the colon and are noted for their ability to cause urinary, biliary, and cardiovascular infections
Grow in hypertonic (6.5%) saline or in bile and are not killed by penicillin G

A

Group D streptococci

30
Q

Such as Str. bovis, can cause similar infections but are inhibited by 6.5%NaCl and killed by penicillin G

A

Nonenterococcal group D streptococci

31
Q

Combination of penicillin and an aminoglycoside (such as gentamicin) is required to kill enterococci

A

Oh yeah!

32
Q

Str. pneumoniae and the Viridans group of streptococci (e.g., Streptococcus mitis, Streptococcus sanguis, and Streptococcus mutans)

A

Alpha-hemolytic Streptococci

33
Q

Str. pneumoniae, which is bile-soluble and inhibited by

A

Optochin

34
Q

Are part of the normal flora of the human pharynx and intermittently reach the bloodstream to cause infective endocarditis

A

Viridans streptococci

35
Q

Synthesizes polysaccharides (dextrans) that are found in dental plaque and lead to dental caries

(Alpha-hemolytic streptococci)

A

Streptococcus mutans

36
Q

Also known as the Str. anginosus-milleri group are found primarily in the mouth and colon

A

Streptococcus intermedius and Streptococcus anginosus

37
Q

Grow under anaerobic or microaerophilic conditions and produce variable hemolysis

Members of the normal flora of the gut, mouth, and the female genital tract

A

Peptostreptococcus

E.g. Peptostreptococcus magnus and Peptostreptococcus anaerobius

38
Q

Produce three important inflammation-related enzymes: Hyalurodinase, streptokinase, DNAse

A

Group A streptococci

39
Q

Group A streptococci produce five important toxins and hemolysins:

A

Erythrogenic toxin, Streptolysin O and S, Pyogenic exotoxin A and B

40
Q

Known as spreading factor because it facilitates the rapid spread of Str. pyogenes in skin infections (cellulitis)

A

Hyaluronidase

MICROBIOLOGY (1 decks)

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