Multiple Choice
Chromogenic cephalosporins are used to test for:
A) action of beta-lactamase inhibitors.
B) intrinsic resistance to beta-lactam drugs by decreased intracellular uptake of the drug.
C) production of beta-lactamase by the infecting organism.
D) intrinsic resistance to beta-lactam drugs by altered antibiotic targets.
Correct Answer:
Verified
Correct Answer:
Verified
Q2: An important requirement for appropriate inoculum preparation
Q3: Growth on the oxacillin agar screen means
Q4: Bactericidal tests should be performed:<br>A) for every
Q5: A bacterial suspension of 1.5 x 10⁸
Q6: In the disk diffusion method of antimicrobial
Q7: Detection of the haze produced by some
Q8: The minimum inhibitory concentration (MIC)result recorded in
Q9: Staphylococcal resistance to oxacillin is used to
Q10: The serum bactericidal test (SBT)involves:<br>A) subculturing the
Q11: The antibiotic nitrofurantoin is effective against both