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What is the name for round shaped bacteria?
cocci
What is the plural of streptococcus?
streptococci
Difference between bacilli an cocci shape?
Bacilli are rod-shaped bacteria, while cocci are spherical-shaped bacteria. Bacilli can appear singly, in pairs, or in chains, whereas cocci can appear singly, in pairs (diplococci), in clusters (staphylococci), or in chains (streptococci).
What is coccus?
A coccus is a type of spherical-shaped bacteria that can occur singularly or in clusters. These bacteria are categorized based on their arrangement, such as being in pairs (diplococci), chains (streptococci), or clusters (staphylococci). Coccus bacteria can be found in various environments, including the human body where some can cause infections.
Catalase test useful for differentiation of staph?
The main criterion for differentiation between Staphylococcus and Streptococcus genera is the catalase test. Staphylococci are catalase positive whereas Streptococci are Catalase negative. Catalase is an enzyme used by bacteria to induce the reaction of reduction of hydrogen peroxide into water and oxygen.
If you have isolated a gram-positive coccus from a throat culture that you cannot identify as staphlycocci or streptococci A test for one enzyme can be used to distinguish quickly between these bacter?
The catalase test can be used to distinguish quickly between Staphylococci and Streptococci in a gram-positive coccus isolated from a throat culture. Staphylococci are catalase positive (produce bubbles with hydrogen peroxide), while Streptococci are catalase negative (no bubble formation). This test can help differentiate between these two bacterial groups based on their enzyme activity.
What the example of spherical bacteria?
Staphylococci, Streptococci, tetrads, Diplococci
Are staphylococci bacteria that form a chain?
No, Streptococci are bacteria that form chains.
Which term describes a contagious superficial pyoderma caused by staphylococci and streptococci?
Impetigo
Streptococci and staphylococci associated with what dz?
Streptococci are associated with various bacterial infections such as strep throat, cellulitis, and pneumonia. Staphylococci are associated with skin infections like boils and impetigo, as well as more severe conditions like sepsis and pneumonia.
If you were examining a gram satin of a throat culture how would you differentiate microscopically between staph and strep?
To differentiate between staphylococci and streptococci in a Gram stain of a throat culture, observe the arrangement of the bacteria. Staphylococci appear as clusters of cocci, reminiscent of bunches of grapes, while streptococci are arranged in chains or pairs. Additionally, staphylococci are typically catalase-positive, producing bubbles when mixed with hydrogen peroxide, whereas streptococci are catalase-negative and do not produce bubbles. These morphological and biochemical characteristics can help identify the two types of bacteria.
What communicable diseases can be treated with penicillin?
Strep throat (caused by streptococci bacteria) Syphilis Staph infections (caused by staphylococci bacteria)
What characteristics does a normal nasopharyngeal culture have?
Bacteria that normally grow in the nose cavity will be identified by a nasopharyngeal culture. These include nonhemolytic streptococci, alpha-hemolytic streptococci, some Neisseria species, and some types of staphylococci.
What is the name for round shaped bacteria?
cocci
What causes infection of a human bite wound?
a number of bacteria that live in the human mouth. These include streptococci, staphylococci, anaerobic organisms, and Eikenella corrodens.
What bacteria is a sphere shape bacteria?
Cocci bacteria are spherical in shape. They can exist singly, in pairs (diplococci), in chains (streptococci), or in clusters (staphylococci). Some common examples include Staphylococcus aureus and Streptococcus pneumoniae.
Does typhoid bacteria have multiple cells?
Typhoid bacteria is unicellular like other bacteria. Also that, they do not found in clusters like staphylococci or in chains like streptococci.
