Microbiology systems Flashcards
reheated rice diarrhea = ?
Bacillus cereus
canned food food poisoning = ?
Clostridium botulinum
Reheated meat dish food poisoning = ?
Clostridium perfringens
Undercooked meat food poisoning = ?
E.Coli 0157:H7
Food poisoning from eggs, meat, and poultry = ?
salmonella
Food poisoning from meats, mayonnaise, custard = ?
Staph Aureus
Contaminated seafood food poisoning = ?
Vibrio vulnificus or parahaemolyticus
Bacteria that causes dysentery + is associated with Guillain-barre syndrome = ?
Campylobacter
Protozoan that causes dysentery and liver abscesses = ?
Entamoeba histolytica
E.coli O157:H7 (EHEC) produces what toxin that causes dysentery?
Shiga-like toxin
Bloody or watery diarrhea: shigella
Bloody
Bloody or watery diarrhea: yersina enterocolitica
Bloody
Bloody or watery diarrhea: c.diff
Watery
Bloody or watery diarrhea: Clostridium perfringens
Watery
Bloody or watery diarrhea: campylobacter
Bloody
Bloody or watery diarrhea: Vibrio cholera
rice water
Bloody or watery diarrhea: viruses like rotavirus or norovirus
Watery
Bloody or watery diarrhea: giardia or cryptosporidium
Watery
Bloody or watery diarrhea: Enteroinvasive e.coli (EIEC)
Bloody
Bloody or watery diarrhea: enterotoxigenic e.coli (ETEC)
watery
What are the common causes of pneumonia in children?
RSV Mycoplasma C. trachomatis C. pneumonia Strep pneumonia
(runts may cough chunky sputum)
What are the two common causes of pneumonia in neonates?
GBS
E.coli
What are the common causes of pneumonia in adults?
Mycoplasma
C. pneumonia
S. pnuemonia
What is the bacteria that causes pneumonia in alcoholics?
Klebsiella
Which type of bacteria is commonly found in aspiration pneumonia?
Anaerobic bacteria
What are the three major causes of atypical pneumonia?
Mycoplasma
Legionella
Chlamydia
Pneumonia in a CF pt is probably which bacteria?
Pseudomonas aeruginosa
What are the major causes of pneumonia in immunocompromised pts?
Strep pneumoniae
Enteric gram negative rods
Pneumocystis jiroveci
What are the two major causes of nosocomial pneumonia?
Pseudomonas aeruginosa
Staphylococcus
What are the three common causes of meningitis in neonates?
GBS
E.coli
Listeria
What is the #1 cause of meningitis in teenagers?
neisseria meningitidis
What is bacterial cause of meningitis is commonly found in all age group, besides neonates?
Strep pneumoniae
What is the treatment for meningitis?
ceftriaxone + vanco
What abx should be added to the treatment for acute meningitis if listeria is suspected?
Ampicillin
true or false: HSV1 causes meningitis
false, causes encephalitis
What was the most common cause of pediatric meningitis 15 years ago?
HIB
Increased opening pressure of spinal tap + PMNs + increase protein + decreased sugar = what cause of meningitis (bacterial, viral, or fungal)?
bacterial
Increased opening pressure + increased lymphocytes + increased protein + decreased sugar = what cause of meningitis (bacterial, viral, or fungal)?
Fungal/TB
Normal opening pressure + increased lymphocytes + normal protein levels + normal sugar levels = what cause of meningitis?
viral
Osteomyelitis is most commonly caused by which bacteria?
Staph aureus
Which sexually transmitted bacteria can cause osteomyelitis?
N. Gonorrhoeae
Osteomyelitis in DM and IV drug users is commonly caused by which bacteria?
Pseudomonas or serratia
Sickle cell pt with osteomyelitis = ?
Salmonella
Osteomyelitis caused by a prosthetic joint replacement = ?
S. Aureus and S. epidermidis
Osteomyelitis caused by a dog or cat bite = which bacterial cause?
Pasteurella multocida
Nitrate urine test is positive for UTIs caused by what type of bacteria (gram + or -)?
gram negative
Leukocyte esterase test + in a urine test = UTI caused by what type of organism (viral, bacterial, or fungal)?
Baterial
+ urease test on urine test = which bacteria?
Proteus or klebsiella
- urease test on urine test = which bacteria?
E.coli, enterobacter
What are the three leading causes of UTIs in women?
E.coli
Staph Saprophyticus
Klebsiella pneumoniae
Swarming on agar = which bacteria?
Proteus
Blue-green pigment producing bacteria = ?
Pseudomonas Aeruginosa
Red pigmented bacteria = ?
Serratia
thin white vaginal discharge + fishy odor without inflammation = ?
BV
Frothy, grey-green, and foul smelling discharge with inflammation = ?
trichomoniasis
Clue cells = ?
BV
What is the treatment for BV?
Metronidazole
What is the treatment for trichomoniasis?
Metronidazole
What is the treatment for candida vulvovaginitis?
azoles
Thick, white “cottage cheese” vaginal discharge + inflammation = ?
candida Vulvovaginitis
What are the TORCHeS infections?
Toxoplasmosis Other Rubella CMV HIV Herpes Syphilis
Chorioretinitis +hydrocephalus + intracranial calcifications in a neonate =?
Toxoplasmosis
PDA + cataracts + deafness + blueberry muffin baby = ?
Rubella
Hearing loss + Szs + petechial rash + blueberry muffin rash in a neonate =?
CMV
Encephalitis + herpetic lesions in a neonate = ?
HSV-2
Hydrops fetalis or notched teeth, saddle nose, saber shins = ?
Congenital syphilis
What is the cause of hand-foot and mouth disease?
coxsackievirus type A
vasicular rash on palsm and soles, with vesciles and ulcers in the mouth = ?
hand foot and mouth disease (caused by coxsackievirus type A)
what is the cause of roseola?
HHV-6
What are the symptoms of roseola?
macular rash over the body after a fever/
What is the virus that causes fifth disease (slapped cheek syndrome)?
parvovirus B19
What is virus that causes measles?
Rubeola
rash that begins at the head and moves down = ?
Rubella (german measles)
What are the three C’s of measles?
Cough
Coryza
Conjunctivitis
erythematous, sandpaper like rash with fever and sore throat = ?
Scarlet fever (caused by strep pyogenes)
vesicular rash that begins on the trunk and spreads outward with lesions at different stages = ?
VZV (chicken pox)
rash the begins distally, spreads proximally, and evolves all at the same time = ?
Smallpox
What is the virus that causes smallpox?
Variola
What causes chancroid?
Haemophilus ducreyi
What causes condylomata acuminata?
HSV-6 and 11
What causes genital herpes (which serotypes of the herpes virus?
HSV2
Painless chancre = ?
Primary Syphilis (treponema pallidum)
Fever + lymphadenopathy + skin rashes + condylomata = which STI?
Secondary syphilis
Gummas + Argyll Robertson pupil = ?
tertiary syphilis
Vaginitis + strawberry cervix + motile in wet prep = ?
trichomoniasis
What are the two most common causes of PID in order?
Chlamydia trachomatis
Neisseria gonorrhoeae
What is Hugh-Curtis syndrome?
Infection of the liver capsule and violin string adhesions of the peritoneum to the liver
What is the major nosocomial risk factor for an infection with candida albicans?
Hyperalimentation
What is the major nosocomial risk factor for an infection with CMV or RSV?
Hospitalization in newborn nursery
What are the two most common nosocomial causes of UTIs caused by catheterization?
E.coli
S. Aureus
Nosocomial infection associated with source of water?
Legionella
Nosocomial infection associated with respiratory equipment = ?
Pseudomonas aeruginosa
Rash in a child that begins at the head and moving down with post auricular adenopathy = ?
Rubella
Rash that begins at the head, moves downward, and is preceded by Cough, Coryza, conjunctivitis, and koplik spots = ?
Measles
Cherry red epiglottis + dysphagia + dyspnea secondary to epiglottitis = ?
HIB
Thumbprint sign on neck x-ray = ?
Epiglottitis secondary to HIB
Grayish oropharyngeal exudate = ?
Corynebacterium diphtheriae
Asplenic pts are susceptible to which bugs? (3)
S. pneumoniae
HIB
N. Meningitidis
Branching rods in oral infection. sulfur granules = ?
Actinomyces israelii
What is the cause of chronic granulomatous disease?
Inability of body to form superoxide
Currant jelly sputum = ?
Klebsiella
dog or cat bite bacteria = ?
pasteurella multocida
Facial nerve palsy bacteria, also cause of lyme disease = ?
Borrelia burgdorferi
Fungal infection in DM or immunocompromised pts = ?
Mucor or Rhizopus
Which strain of hepatitis is most commonly associated with health care providers?
B
Neutropenic pts are predisposed to developing which fungal infection by which yeast/fungus?
Candida albicans
What is the virus that often presents issues in transplant pts?
CMV (HHV5)
PAS+ bacteria = ?
Tropheryma awhipplei
Pneumonia in CF pts = ?
Pseudomonas aeruginosa
Hand foot and mouth disease = ?
Coxsackie A
Sepsis/meningitis in neonates = ?
GBS
Surgical wound infection is likely caused by which bacterium?
S. Aureus
Gas gangrene = ?
Clostridium perfringens