NURSING ANM AND GNM

NURSING EXAM QUESTIONS

MICROBIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Clusters of cocci are found in
A
streptococci
B
salmonella
C
shigella
D
staphylococci
Explanation: 

Detailed explanation-1: -Staphylococci are Gram-positive cocci about 0.5 – 1.0 m in diameter. They grow in clusters, pairs and occasionally in short chains. The clusters arise because staphylococci divide in two planes.

Detailed explanation-2: -Staphylococci are Gram-positive cocci that form clusters (Fig. 3.2).

Detailed explanation-3: -Examples of Cocci Bacteria: Cocci that are in pairs are known as diplococci (examples include, Streptococcus pneumoniae and Neisseria gonorrhoeae). Streptococci are cocci strings (e.g. Streptococcus pyogenes). Staphylococci are colonies of cocci that are irregular (grape-like) (e.g. Staphylococcus aureus).

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