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Staph, Strep, G+
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Questions in this quiz (36)
1Which of the following does NOT preferentially colonize the upper respiratory tract?
- AEnterococcus
- BS. agalactiae
- CS. pyogenes
- DViridans
2Scarlet fever, acute glomerulonephritis, and pharyngitis can be caused by which of the following?
- AS. pyogenes
- BS. aureus
- CEnterococcus
- DS. pneumoniae
3Which of the following are suppurative sequelae following S. pyogenes infection? (Select all that apply)
- AAcute rheumatic fever
- BAcute glomerulonephritis
- CTonsillar abscess
- DRetropharyngeal disease
4A 16-year-old patient and her mother come to your clinic thinking she has strep. She has a fever, swollen cervical lymph nodes, and tonsillar exudates. She has no other symptoms. Which of the following is the appropriate clinical recommendation?
- ANo culture or antibiotics necessary
- BSend for culture, but start antibiotics immediately while waiting for results and discontinue if culture negative
- CSend for culture, start antibiotics if culture returns positive
- DNo need to culture, begin antibiotics immediately
5A patient has been diagnosed with scarlet fever due to an S. pyogenes infection. Which of the following are diagnostic of this complication? (Select all that apply)
- ASandpaper rash
- BStrawberry tongue
- CPharyngitis
- DTonsillar exudate
6Which of the following is NOT caused by S. pyogenes?
- AOsteomyelitis
- BEcthyma
- CNecrotizing fasciitis
- DToxic shock syndrome
7A patient has presented with a superficial cellulitis of the face with clear margins. It is indurated with prominent lymphatic involvement. This is most likely a(n)...
- AErysipelas (caused by S. pyogenes)
- BEcthyma (caused by S. pyogenes)
- CPneumococcal meningitis (caused by S. agalactiae)
- DImpetigo (caused by S. aureus)
8Which of the following symptoms does not accompany toxic shock syndrome?
- AHypotension
- BTachycardia
- CDesquamation
- DBradypnea
9Which of the following is NOT caused by S. pneumoniae?
- AOtitis media
- BSinusitis
- CPneumonia
- DPostpartum sepsis
10Which of the following can cause endocarditis? (Select all that apply)
- AViridans
- BEnterococcus
- CS. pyogenes
- DS. aureus
11Viridans can cause...
- ADental caries
- BUrinary tract infections
- CImpetigo
- DPneumonia
12Which of the following can be utilized to help diagnose a streptococcal infection? (select all that apply)
- AGram stain
- BAntigen detection
- CCulture
- DMolecular diagnostics
- EAntibody detection
13Which of the following patients should NOT receive a pneumococcal vaccine?
- APCV13 in a 7-month-old female.
- BPCV13 in a 70-year-old man.
- CPPSV23 in a healthy 40-year-old man.
- DPPSV23 in an immunocompromised patient.
14Emerging antimicrobial resistance in streptococci and enterococci can appear with drug administration. Which of the following drugs have observed resistance? (Select all that apply)
- APCN
- BClindamycin
- CVancomycin
- DFluoroquinolone
15Which of the following differences between S. aureus and coagulase negative staph is correct?
- AS. aureus prefers to colonize the nares, coag negative prefer to colonize the skin and sweat glands
- BS. aureus lives on mucous membranes, coag negative live on skin
- CS. aureus only causes local infections, coag negative are widespread
- DS. aureus prefers to colonize the uroepithelium, coag negative prefers to colonize the oropharynx
16S. aureus causes both direct and toxin-mediated infections. Which of the following is NOT toxin mediated?
- AScalded skin syndrome
- BFood poisoning
- CToxic shock syndrome
- DPyomyocysitis
17Which of the following can be caused by S. aureus and is a skin infection involving an entire hair follicle and nearby skin tissue?
- AFuruncle
- BFolliculitis
- CImpetigo
- DCarbuncle
18Why is S. aureus cellulitis of the eye mainly concerning?
- AIt can directly cause blindness due to increased intraocular pressure.
- BIt can readily travel to the other eye.
- CIt can travel to the brain from the periorbital space.
- DIt can cause hair loss of the eyebrows, making the patient look very strange.
19Endocarditis caused by S. aureus is especially common in which of the following populations?
- APatients with a history of IV drug use.
- BPatients with a history of recreational marijuana use.
- CPatients with a history of alcoholism.
- DPatients with a history of travel to tropical countries.
20Coagulase negative staph infections are most commonly seen in patients with a history of...?
- Aimplantation of prosthetic devices
- Balcohol abuse
- CIV drug use
- Dchronic kidney disease
21Which of the following is NOT a primary way to prevent the spread of staph?
- AWashing hands
- BProper contact precautions
- CDon't touch your face
- DAvoiding hospital sushi
22Which of the following antibiotics is appropriate to treat invasive staph?
- AVancomycin
- BClindamycin
- CCephalosporins
- DDoxycycline
23Which of the following is a spore forming gram positive rod?
- AClostridium
- BListeria
- CRodoccus
- DErysipelothrix
24Which of the following is NOT a characteristic of bacillus?
- AThey are aerobic or facultative anaerobes
- BThey are spore forming
- CThey are rare, generally only found in specific microclimates
- DThey opportunistically infect immunocompromised hosts
25A postal worker presents to the ER with substernal pain, cough, and hypotension. The patient has a widening of the mediastinum on CT and signs of stridor on exam. They also have two black eschars present on the distal portion of their right index finger. Which of the following could this be?
- AB. anthracis
- BB. cereus
- CDiptheria
- DListeria
26Which type of anthrax poisoning could lead to cervical edema, necrosis of the hard palate, and death from bacteremic spread?
- ASkin
- BRespiratory
- COropharnyngeal
- DAbdominal
27A patient presents to an urgent care complaining of abdominal cramping and diarrhea. The symptoms started 12 hours prior. Which of the following most likely caused their symptoms?
- AEating Thanksgiving leftovers contaminated with B. cereus
- BEating an old piece of pizza contaminated with S. aureus
- CEating reheated fried rice contaminated with B. cereus
- DContamination of an open wound with S. aureus
28Which of the following is true regarding B. cereus food poisoning?
- AThe patients vomit should be cultured to determine diagnosis.
- BPrompt antibiotic administration is recommended.
- CIt can be prevented with proper refrigeration and reheating of food.
- DContaminated food can be safely consumed after 36 hours of refrigeration as spores will die in that time frame.
29Which of the following is NOT true regarding C. diptheriae?
- AIt inhibits protein synthesis.
- BIt is non spore forming.
- CIt produces an extremely potent enterotoxin.
- DIt causes pharyngeal exudate production of diptheria.
30Which of the following could contribute to a diptheria epidemic?
- AWar in a developing country.
- BWidespread, successful immunization programs in a developed country
- CAn increase in a local rat population in a tropical city
- DLaxity in hand washing protocols
31A six-year-old child from Somalia presents to the emergency room with a bull neck and trouble breathing. Upon examining the throat, there is a dense necrotic exudate in the pharynx. Which of the following is correct?
- AThis could be diptheria - the eschar in the throat should be removed promptly to reduce airway obstruction.
- BThis could be diptheria - the patient can be discharged as the infection will clear unaided relatively quickly
- CThis could be diptheria - the patient should be monitored for renal and GI complications
- DThis could be diptheria - the patient should be placed in respiratory isolation and treated with antibiotics
32Which of the following is true regarding gardnerella?
- AIt is anaerobic.
- BIt is considered an STI.
- CIt always produces symptoms.
- DIt is associated with an acidic vaginal pH.
33Gardnerella should be treated with which of the following?
- AMetronidazole
- BAmoxicillin
- CVancomycin
- DFluconazole
34Which of the following is NOT true regarding listeria?
- AIt is associated with a tumbling motility.
- BIt poses a small risk of food borne illness in immunocompetent hosts.
- CIt is most commonly associated with raw vegetables and raw milk.
- DIt can be transmitted human to human.
35A patient undergoing chemotherapy begins to exhibit signs of meningitis and had one seizure after ingesting undercooked meat. Which of the following could lead to this clinical manifestation?
- AListeria
- BGardnerella
- CViridans
- DB. anthracis
36Which of the following are associated with preterm labor and/or enhanced danger to a neonate?
- AGardnerella
- BListeria
- CB. cereus
- DS. agalactiae
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- MID Quiz on Staph, Strep, G+, created by Kathleen Lonergan on 14/08/2019.
- Author
- Kathleen Lonergan
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- English
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