Bacterial Infection

Question 1

Common gram + cocci

Answer 1

staphylococci
streptococci
enterococci

Question 2

less common gram + rods

Answer 2

Diphtheria, Listeriosis, Anthrax, Nocardiosis

Question 3

Infections brought about by staphylococcus

Answer 3

Abscess, sepsis, osteomyelitis, pneumonia, endocarditis, food poisoning, tss

Question 4

Coagulase negative staph

Answer 4

S. epidermidis, S. saprophyticus

Question 5

UTInin woman

Answer 5

S. saprophyticus

Question 6

opportunistic, catheter

Answer 6

S.epidermidis

Question 7

Clumping factor, binding to host endothelial cells

Answer 7

fibrinogen (fibronectin, vitronectin)

Question 8

Attachment to artificial materials

Answer 8

Polysaccharide capsule

Question 9

Binds fc portion

Answer 9

Surface protein A

Question 10

holds the epidermal cells tightly together

Answer 10

Desmoglein 1 (cleaved by serine proteases Exfoliative a and b)

Question 11

Assoc, with the use of hyperabsorbent tampons

Answer 11

TSS

Question 12

Focal suppurative inflammation

Answer 12

furubcle or boil

Question 13

deeper suppurative infection

Answer 13

carbuncle

Question 14

Chronic suppurative infection of apocrine

glands, most often in the axilla

Answer 14

hidradenitis

Question 15

Ritter disease, desquamation, sunburn like

Answer 15

Scalded Skin syndrome

Question 16

Streptococcal (SOLH)

Answer 16

Skin, oropharynx, lungs, heart valves

Question 17

Group A strep

Answer 17

S. pyogenes

Question 18

strep grp b

Answer 18

s. agalactiae

Question 19

Pathogenesis of s pyogenes

Answer 19

M protein, phage-encided pyrogenic exotoxin

Question 20

Produces preumolysin

Answer 20

S. Pneumonia

Question 21

Marked by edema, epiglottic swelling,
and punctuate abscesses of the tonsillar
crypts, sometimes accompanied by
cervical lymphadenopathy

Answer 21

strep pharnygitis

Question 22

important cause of lobar pneumonia

Answer 22

s. pneumoniae

Question 23

Produces a phage-encoded A-B toxin

that blocks host cell protein synthesis.

Answer 23

c. diphtheriae

Question 24

Outbreaks of are associated with contaminated
dairy products or processed fruits and
vegetables.

Answer 24

Lesteriosis

Question 25

In neonates and immunosuppressed adults, it can cause disseminated disease (granulomatosis infatiseptica of the newborn) and an exudative meningitis.

Answer 25

listeria monocytogenes

Question 26

The L. monocyotogenes escape from the phagolysosome

using a pore-forming protein,________, and two phospholipases.

Answer 26

listeriolysin O

Question 27

form of anthrax- Makes up 95% of naturally occurring
infections, begins as a painless, pruritic
papule that develops into a vesicle within
2 days.

Answer 27

cutaneous anthrax

Question 28

Causes hemorrhagic mediastinitis

Answer 28

inhalational anthrax

Question 29

rapidly leads to shock and frequently death within 1 to 2 days.

Answer 29

inhalational anthrax

Question 30

Produces potent toxin and an antiphagocytic

polyglutamyl capsule

Answer 30

B. anthrax

Question 31

Anthrax diagnosis: The presence of large_________ In chains, seen histopathologically using the Brown and Brenn stain or grown in culture suggests, the diagnosis.

Answer 31

boxcar shaped gram-positive extracellular bacteria

Question 32

are aerobic gram positive bacteria

found in soil that cause opportunistic infections.

Answer 32

nocardia

Question 33

manifests as an indolent illness with fever, weight
loss and cough which may be mistaken for
tuberculosis or malignancy.

Answer 33

respi infections with nocardia

Question 34

Nocardia  spp  stain  with  modified  acid-
fast  stains  ( )

Answer 34

Fite-Faraco stain

Question 35

are gram-negative diplococci that are flattened on the adjoining sides, giving
the pair the shape of coffee bean.

Answer 35

Neisserial spp.

Question 36

Neisserial spp have stringent nutritional

requirements and grow best on

Answer 36

enriched media

such as lysed sheep’s blood (chocolate) agar

Question 37

Disseminated infection of adults and adolescents
usually causes septic arthritis accompanied by a
rash of hemorrhagic papules and pustules.

Answer 37

gonorrhea

Question 38

Virulence factors of Bordetella pertussis include

Answer 38

pertussis toxin, adenylate cyclase toxin, dermonecrotic toxin and tracheal cytotoxin.

Question 39

ADP-ribosylates and inactivates
guanine nucleotide binding proteins so
these G pretties can no longer transduce
signals.

Answer 39

A unit

Question 40

contains four subunits
that bind to extracellular molecules and
allow the A subunits to enter cells.

Answer 40

B component

Question 41

hypercellularity and enlargement of the
mucosal lymph follicles and peribronchial lymph
nodes.

Answer 41

bordetella

Question 42

an opportunistic
aerobic gram-negative bacillus that is frequent, deadly pathogen in ppl with cystic fibrosis, severe burns, or neutropenia.

Answer 42

P. aeruginosa

Question 43

also causes corneal keratitis in wearers of contact
lenses, endocarditis, and osteomyelitis in
intravenous drug abusers, external otitis
(swimmer’s ear) in healthy individuals, and
severe external otitis in people with diabetes.

Answer 43

P. aeruginosa

Question 44

Pseudomonas spp. Cause necrotizing
pneumonia that is distributed through the
terminal airways in _____pattern

Answer 44

fleur-de-lis

Question 45

Gram-negative facultative intracellular bacterium
that causes an invasive, frequently fatal, infection
called plague

Answer 45

Y. pestis

Question 46

ileitis

Answer 46

Y. entercolitica

Question 47

mesenteric lyphadenitis

Answer 47

Y. pseudotuberculosis

Question 48

Severe, confluent, hemorrhagic and necrotizing
infections difficult to treat
bronchopneumonia, often with fibrinous pleuritis.

Answer 48

pneumonic plague

Question 49

Haemophilus ducreyi

Answer 49

Chancroid

Question 50

t or f
In contrast to the primary chancre of syphilis, the
ulcer of chancroid is not indurated, and multiple
lesions may be present

Answer 50

t