Multiple Choice
Quality control was performed to determine the validity of urea agar.S.multivorum and E.meningoseptica were used,which yielded positive for S.multivorum and negative for E.meningoseptica.Which one of the following statements explains this discrepancy?
A) The urea agar is most likely expired.
B) The pH is off on the urea agar.
C) These two organisms are poor choices for quality control because they are both urea positive.
D) No discrepancy is present;the results are valid.
Correct Answer:

Verified
Correct Answer:
Verified
Q2: A patient with a bacteremia identified as
Q3: Neonates and individuals who are immunocompromised are
Q4: On Gram stain,which organism appears thin in
Q5: Decontamination strategies used for potable water and
Q6: A patient receiving hemodialysis began spiking a
Q8: Which organism is indole and gelatin positive
Q9: Which organism's virulence is due to protease
Q10: The natural habitat of Chryseobacterium sp.can best
Q11: Which two organisms should be used for
Q12: This organism is often associated with infections