Which is false about gram-positive cocci?
Ans: C. Ref: Ananthanarayanan 7th edition page 200, 212 Discussion Staphylococci are hardy, non-spore-forming, ubiquitous bacteria and are present in air, fomites, and dust or as normal flora of humans and animals. They are resistant to heat and drying and may be recovered from nonphysiologic environments weeks to months after inoculation. These organisms are gram-positive and grow in clusters, aerobically or as facultative anaerobes Explanation a. S. saprophytics is a common cause of symptomatic urinary tract infection in previously healthy, sexually active teenage girls after urethral colonization b. Micrococci are oxidase positive c. Unlike other streptococci, enterococci are not reliably killed by penicillin or ampicillin alone at concentrations achieved clinically in the blood or tissues. d. Pneumococcus (Streptococcus pneumoniae is a gram-positive, lancet-shaped, encapsulated Diplococcus. S. pneumoniae is the most common cause of community-acquired bacterial pneumonia and otitis
