Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Part 1 > Immunological System Pathology 1 - Bacteriology > Flashcards

Immunological System Pathology 1 - Bacteriology Flashcards

1
Q

What bacteria is associated with buboes?

A

Yersinia pestis. Buboes are swollen lymph nodes in the armpit or groin.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What distinguishing feature differentiates Escherichia coli from Shigella and Salmonella in vitro?

A

Escherichia coli ferments lactose, and the others do not.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What agar is used to help diagnose Escherichia coli?

A

MacConkey agar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Pink colonies on MacConkey agar indicates what?

A

Lactose fermentation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are the other distinguishing features that can be useful for diagnosing Escherichia coli?

A

Escherichia coli is:

indole positive,

motile,

methyl red (MR) positive,

Voges-Proskauer (VP) negative,

Citrate negative.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Which Streptococcus spp. are beta-hemolytic?

A

Streptococcus pyogenes (group A), Streptococcus agalactiae (group B). Beta hemolysis refers to the complete lysis of RBCs within the agar.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Which Streptococcus spp. is alpha-hemolytic?

A

Streptococcus pneumoniae. Alpha hemolysis refers to partial lysis of RBCs within agar.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What infection is caught from raw milk and is especially dangerous for pregnant women and newborns?

A

Listeria monocytogenes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the route of transmission of Yersinia pestis?

A

Rat carries fleas that harbor the bacteria and spread it to humans

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Which of the following is not a lactose fermenter: Proteus, Escherichia, Klebsiella, Enterobacter?

A

Proteus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What species causes typhoid fever?

A

Salmonella typhi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What causes epidemic typhus?

A

Rickettsia prowazekii. Epidemic diseases are those that can spread throughout multiple geographical regions.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What causes endemic typhus?

A

Rickettsia typhi. Endemic diseases are those of a particular geographical region.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What are some of the symptoms of typhus?

A

Macular rash, high fever, severe myalgia and headache, arthralgias, signs of sepsis including hypotension

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What organism causes rose colored spots on the abdomen, high fever and possible perforation of the abdomen?

A

Salmonella typhi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Salmonella cholerasuis - S. enterica causes what three diseases primarily?

A

Pneumonia, osteomyelitis and meningitis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What Gram positive cocci is catalase positive?

A

Staphylococcus aureus. Catalase test is used to differentiate specifically between streptococci and staphylococci bacteria. Catalase enzyme is used during oxygen respiration to protect themselves against oxygen metabolism’s toxic consequences.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What Gram positive cocci is catalase negative?

A

Streptococcus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What allows Staphylococcus aureus to resist penicillin?

A

Penicillinase which destroys penicillin.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

The catalase test is diagnostic for what organism?

A

Staphylococcus aureus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What organism has hemolysis as a diagnostic feature?

A

Streptococcus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What are the two pigments secreted by Pseudomonas aeruginosa that can be helpful in diagnosis?

A

Pyocyanin

Pyoverdin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What is a distinguishing feature of pyocyanin?

A

It can turn the pus in an infected wound blue

24
Q

What color will pyoverdin fluoresce under UV light?

A

Yellow-green

25
Q

What organism is responsible for scarlet fever?

A

Streptococcus pyogenes

26
Q

What immunological sequelae can follow a Streptococcus pyogenes infection?

A

Rheumatic fever or glomerulonephritis

27
Q

In what type of Streptococcus infection is the capsule pathogenic?

A

Streptococcus pneumoniae

28
Q

What STD grows on a Thayer-Martin agar in CO2?

A

Neisseria gonorrhea

29
Q

Which STD is oxidase positive?

A

Neisseria gonorrhea. Oxidase positive bacteria can (but not necessarily strictly only) undergo aerobic respiration.

30
Q

What disease has a slow spreading circular lesion called erythema migrans?

A

Lyme disease

31
Q

What disease can you get from improperly home-canned products?

A

Botulism, due to Clostridium botulinum

32
Q

People who handle livestock are susceptible to what kind of infection?

A

Bacillus anthracis

33
Q

What are the most serious complications of diphtheria?

A

Respiratory paralysis and death. Diphtheriae toxin has an affinity for myocardium and peripheral nerves.

34
Q

What infection results in a gray pseudomembrane in the throat?

A

Corynebacterium diphtheriae

35
Q

What is a common cause of purulent otitis media in children, as well as causing meningitis and pneumonia?

A

Haemophilus influenzae B

36
Q

What organism grows around Staphylococcus aureus on agar plate?

A

Haemophilus influenzae

37
Q

What is so special about Mycoplasma species morphology?

A

They have no cell wall and therefore are resistant to penicillin.

38
Q

What organism is cultured in armadillos?

A

Mycobacterium leprae

39
Q

What general kind of organism causes Lyme disease and syphilis?

A

Spirochetes

40
Q

Yaws is caused by what organism?

A

Treponema pallidum pertenue. Yaws affects the skin, cartilage, and bone.

41
Q

What are some of the lab tests for syphilis?

A

Vdrl, fta-abs, rpr, mta-tp, and darkfield microscopy

42
Q

What organism causes glue ear?

A

Haemophilus influenzae B

43
Q

What organism has a blue-green pigment and is associated with skin and especially burn infections?

A

Pseudomonas aeruginosa

44
Q

What is the vector for Lyme disease?

A

Various ticks, most notably in the USA the deer tick, Ixodes scapularis

45
Q

Lyme disease closely parallels what other disease in its primary, secondary and tertiary symptoms?

A

Syphilis

46
Q

What species of organisms are transmitted by arthropods?

A

Rickettsiae, arboviruses

47
Q

Rickettsiae typhi affects which type of cells?

A

Endothelial cells

48
Q

What is the vector for Rickettsia prowazekii?

A

The louse

49
Q

What is the vector for Rickettsia typhi?

A

The flea

50
Q

What is the only rickettsial disease with no vector, and what organism causes it?

A

Q fever caused by Coxiella burnetti

51
Q

What is the organism responsible for Rocky mountain fever?

A

Rickettsia rickettsii

52
Q

How is Rocky mountain spotted fever transmitted?

A

Wood tick (Dermacentor andersoni) or dog tick (Dermacentor variabilis) bites

53
Q

What disease is associated with standing water e.g. in air conditioning systems, and what organism causes it?

A

Legionnaire’s disease, Legionella pneumophila

54
Q

What disease is associated with birds?

A

Chlamydia psittaci

55
Q

Parrot fever is the common name for what disease, caused by what organism?

A

Psittacosis caused by Chlamydia psittaci

Part 1 (73 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions