What is environmental science primarily concerned with?
One goal of environmental science is to find ways for people…
One goal of environmental science is to find ways for people to live sustainably.
An ER doctor ordered a C&S on a catheterized urine specimen…
An ER doctor ordered a C&S on a catheterized urine specimen obtained from a 24 year old female patient. A colony count was done and gave the following results after 24 h: BAP: >100, 000 CFU/ml of gram pos cocci, in clustersMAC: no growthCNA: inhibited growthHemolysis: NegCatalase: PosNovobiocin: Resistant
The most sensitive method for the detection of beta lactamas…
The most sensitive method for the detection of beta lactamase in bacteria is by the use of discs containing:
A 65 year old female outpatient was requested by her physici…
A 65 year old female outpatient was requested by her physician to submita 24-h urine specimen for protein and creatinine tests. He also requested testing for mycobacteria in the urine. Should the microbiology accept this 24 hour specimen for culture?
An emergency department physician suspected Corynebacterium…
An emergency department physician suspected Corynebacterium dipthteriae when examining the sore throat of an exchange student from S. America. What is the appropriate media for the culture of the nasopharyngeal swab obtained from the patient?
Optimal recovery and identification of anaerobic bacteria in…
Optimal recovery and identification of anaerobic bacteria in clinical specimens occurs when:
Mycobacteria stained by the Ziehl-Neelsen or Kinyoun methods…
Mycobacteria stained by the Ziehl-Neelsen or Kinyoun methods with methylene blue counterstain are seen microscopically as:
A wound (skin lesion) specimen obtained from newborn grew pr…
A wound (skin lesion) specimen obtained from newborn grew predominantly beta hemolytic colonies of gram positive cocci on BAP. The newborn infant was covered with small skin eruptions that gave the appearance of “scalding of the skin”. The gram positive cocci proved to be catalase positive. Which tests should follow for the appropriate identification?
Semi-solid transport media such as Amies, Stuart, or Cary-Bl…
Semi-solid transport media such as Amies, Stuart, or Cary-Blair are suitable for the transport of swabs for culture of most pathogens except: