DMF Week 2 SAQ

1

Select from the options below the site of action of Ampicillin


2

Select from the options below the site of action of Gentamicin


3

Select from the options below the site of action of Vancomycin


4

Select from the options below the site of action of Trimethoprim


5

Select from the options below the site of action of Cefotaxime


6

Ms. S.J., aged 22 years, presented to her GP with a one day history of frequency and pain on passing urine. She had no fever and was not taking any medication. This was the third time she has had these symptoms within the past two years. The doctor examined her, and found no abnormalities. A urine dip-stick test was positive and suggested urinary infection and a midstream urine sample was sent for microbiological studies. Which one of the following organisms is the most likely cause of Ms. S.J.’s infection, assuming that she does have a UTI?


7

Resistance to penicillin in Streptococcus pneumoniae is due predominantly to which one of the following mechanisms?


8

A young woman presented with a high fever, hypotension, a widespread erythematous rash and headaches and myalgia. She had started menstruating the day before she presented, and was using a vaginal tampon. Microbiological investigations suggested a diagnosis of toxic shock syndrome. Which one of the following statements is likely to be correct regarding this syndrome?