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Questions and Answers

What characteristic of Pseudomonads allows them to be easily differentiated from lactose-fermenting bacteria?

Their ability to ferment lactose

Their rapid growth on culture media

Their production of pigments

Their inability to ferment lactose (correct)

Which of the following best describes the growth characteristics of Pseudomonads?

Pseudomonads are fastidious and difficult to culture

Pseudomonads grow readily on most culture media (correct)

Pseudomonads require specific, nutrient-rich media for growth

Pseudomonads grow slowly on most culture media

Which of the following is a key distinguishing feature between Pseudomonads and lactose-fermenting bacteria?

Pseudomonads do not ferment lactose, unlike lactose-fermenting bacteria (correct)

Pseudomonads are more resistant to antibiotics than lactose-fermenting bacteria

Pseudomonads produce more pigments than lactose-fermenting bacteria

Pseudomonads have a higher growth rate than lactose-fermenting bacteria

What is the primary implication of Pseudomonads' ability to 'grow readily on most culture media'?

Pseudomonads are easily cultured and differentiated from other bacteria Signup and view all the answers

Which of the following best explains why Pseudomonads are 'easily differentiated from the lactose-fermenting bacteria'?

Pseudomonads do not ferment lactose, unlike lactose-fermenting bacteria Signup and view all the answers

Which statement accurately describes the process of determining antimicrobial susceptibility for a bacterial pathogen?

Guidelines are followed to determine which specific bacterial isolates require susceptibility testing based on their clinical significance. Signup and view all the answers

Which of the following statements is true regarding the predictability of antimicrobial susceptibility patterns among different bacterial groups?

Gram-negative bacilli, enterococci, and staphylococci often exhibit unpredictable susceptibility patterns, necessitating susceptibility testing. Signup and view all the answers

Which of the following methods is used to determine the minimum concentration of an antimicrobial agent required to inhibit the growth of a bacterial isolate?

Broth dilution method Signup and view all the answers

In the disk-diffusion method for antimicrobial susceptibility testing, what does the absence of growth around a disk indicate?

The microorganism is sensitive to the antimicrobial agent in the disk. Signup and view all the answers

Which organization publishes and regularly updates the standards for antimicrobial susceptibility testing methods used in clinical laboratories?

Clinical and Laboratory Standards Institute (CLSI) Signup and view all the answers