CLINICAL MEDICINE

MEDICINE

INFECTIOUS DISEASES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the most serious pathogen within the genus Staphylococcus?
A
Staphylococcus aureus
B
Staphylococcus hominis
C
Staphylococcus epidermidis
D
Staphylococcus saprophyticus
Explanation: 

Detailed explanation-1: -Bacteria in the genus Staphylococcus are pathogens of man and other mammals. Traditionally they were divided into two groups on the basis of their ability to clot blood plasma (the coagulase reaction). The coagulase-positive staphylococci constitute the most pathogenic species S aureus.

Detailed explanation-2: -Staphylococci are gram-positive aerobic organisms. Staphylococcus aureus is the most pathogenic; it typically causes skin infections and sometimes pneumonia, endocarditis, and osteomyelitis.

Detailed explanation-3: -Staphylococcus aureus is one of the most frequent worldwide causes of morbidity and mortality due to an infectious agent. This pathogen can cause a wide variety of diseases, ranging from moderately severe skin infections to fatal pneumonia and sepsis.

Detailed explanation-4: -Staphylococci are Gram-positive cocci that grow in clumps, are catalase test positive and coagulase test positive (Staph. aureus) or negative (coagulase-negative staphylococci). Staph. aureus is the most important pathogen, causing a variety of pyogenic infections and toxin-mediated illnesses in normal hosts.

Detailed explanation-5: -Enterotoxin-Producing Staphylococcus aureus Staphylococcus aureus is an important human pathogen that not only causes skin and respiratory infections, but also induces staphylococcal food poisoning through its production of enterotoxins and other superantigens.

There is 1 question to complete.