CSF and Blood
SPS
This drug should be used to detect MRSA in Kirby Bauer
Cefoxitin
Black Eschar Lesion Cause
Bacillus anthracis
Give the bacteria's name AND the disease name
Treponema pallidum, Syphillis
Best time of day for a sputum sample collection?
First Morning
CSF Chemistry Results:
Normal Protein
Normal Glucose
1500 mononuclear cells/hpf
Gram stain: No organisms seen, Moderate Monos
What is your interpretation of this result?
Viral meningitis
What is the colony count of a pure culture growing on blood agar of a urine sample if it was set with a 1 uL (0.001 mL) loop and there are 60 colonies present
60K (60,000) CFU/mL
I say diabetic foot wound, you look for THIS pathogen (unique to this patient population for this body site!)
Group B strep
1.Sterile pyuria cause (no growth in culture, but >10 white cells/lpf)
2.Common coinfection with this organism
Chlamydia trachomatis
N. gonorrhoeae
This viral cause of pneumonia can be treated with antivirals to lessen severe symptoms (if used ASAP)
Influenza
Resin Beads serve what purpose in the Blood Culture Bottle?
Absorb ABX
Careful using this antibiotic in children under 12- it could stunt their growth!
Quinolones (Cipro/levofloxacin)
A wound culture from a burn patient who shows the following growth pattern: Moderate beta hemolytic white GPC Clusters on blood and chocolate (no growth on Mac), and Heavy beta hemolytic flat purplish NLF. Based on this information, you most suspect which two pathogens
Pseudomonas aerug and Staph aureus
This organism plays a crucial role in preventing the overgrowth of pathogens that cause Bacterial Vaginosis
Lactobacillus
A college student presents with what her physician terms “atypical pneumonia” after viewing her chest xray. What community acquired pathogen is associated with this description?
Mycoplasma pneumoniae
Blood to broth ratio for blood cultures?
1:10
A woman in her early 20’s goes to her physician complaining of burning upon urination, frequency, and general malaise. Her physician sends a urine culture and it grows 100,000 colony-forming units (CFU)/mL of a catalase-positive, coagulase-negative, novobiocin-resistant gram-positive cocci. What is the most likely pathogen?
Staphylococcus saprophyticus
This organism genus should be suspected in coastal water wound infections (coral reef abrasion)
This media would be used to isolate this group
Vibrio
TCBS
Full invasion of bowel thickness, lymphatic spread, potential mesenteric lymphadenitis cause?
Yersinia enterocolitica
Bronchiolitis in an 18 month old, often requiring hospitalization for wheezing and difficulty breathing is most often caused by....
RSV
. Match the age group with the most likely CSF pathogens
_____ Neonates (< 1 month)
_____ Infants (1 – 23 months)
_____ Children >2 – Adults
_____ Older Adults > 65
a. Gram negative bacilli, Group B strep, Listeria
b. Strep pneumo, N meningitidis, Listeria, Gram negative bacilli
c. Strep pneumo, N meningitidis
d. Group B strep, E coli, H. flu, Strep pneumo, N meningitidis
neonate= a
infant= d
children to adult= C
older adult= b
Which of the following is the mode of action of macrolides, aminoglycosides and tetracycline
Protein synthesis (ribosome target)
A cellulitis from IV drug user grows GPCCL, Cat pos, coag pos beta hemolytic organism.
The KB result shows a "D" shape over the Clindamycin.
The Cefoxitin disk is resistant.
WHat is the bacteria?
What does this susceptibility panel tell you about the organism's resistance?
This is a MRSA that is also resistant to clindamycin and erythromycin (D test pos)
This virus is implicated in cervical cancer and can be vaccinated for as a young adult
HPV
Heavy Gram Negative bacilli were isolated on MacConkey from a sputum. Biochemical results are as follows:
Glucose A/A H2S neg
Deaminase neg
Indole negative
Urea positive
Non motile
The organism is:
Klebsiella pneumoniae