Bacterial Toxins and Their Effects

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Which toxin causes the epidermis to separate from the dermis?

Enterotoxins

Hemolysins

Toxic Shock Syndrome Toxin (TSST)

Exfoliative toxin (correct)

What is the role of Hemolysins?

Leading to toxic shock syndrome

Destroying RBCs (correct)

Inducing gastrointestinal symptoms

Causing scalded skin syndrome

What is the characteristic feature of Toxic Shock Syndrome?

Inducing gastrointestinal symptoms

Destruction of hair follicles

Skin peels away (correct)

Formation of abscesses

How does S.aureus typically spread in the community?

Through contact with skin lesions Signup and view all the answers

What are the common factors that may make an individual prone to S.aureus infection?

Tissue injury and diabetes Signup and view all the answers

What is a characteristic feature of localized cutaneous Staphylococcal infections?

Mild inflammation of hair follicles Signup and view all the answers

What is the characteristic feature of impetigo?

Bubble-like epidermal swellings Signup and view all the answers

What term is used to describe a cluster of furuncles?

Carbuncle Signup and view all the answers

Which infection results in blistering and peeling away of outer skin layers?

Scalded skin syndrome Signup and view all the answers

What are common clinical symptoms of bacterial endocarditis?

Severe weakness, persistent fever, chills, sweats Signup and view all the answers

Which condition is characterized by the presence of bacteria in the blood?

Bacteremia Signup and view all the answers

What causes inflammation of bone and marrow or bone marrow?

Red and tender abscess Signup and view all the answers

What is the hallmark symptom of toxic shock syndrome caused by toxigenic Staphylococcal strains?

Hypotension Signup and view all the answers

Which of the following bacterial infections primarily affects menstruating females?

Toxic shock syndrome Signup and view all the answers

What causes a high mortality rate among hospital patients with chronic diseases?

Staphylococcal bacteremia Signup and view all the answers

Which of the following infections is characterized by inflammation of the lung?

Pneumonia Signup and view all the answers

What is a symptom not associated with toxic shock syndrome?

Severe joint pain Signup and view all the answers

In which form do staphylococci account for only a small percentage of cases but is very severe?

Meningitis Signup and view all the answers

What is the characteristic symptom of bacterial pneumonia?

High fever Signup and view all the answers

Where is Branhamella catarrhalis normally found in the human body?

Nasopharynx Signup and view all the answers

Which Gram-negative coccus can cause nosocomial infections and survive on fomites?

Acinetobacter baumannii Signup and view all the answers

What is the distinguishing factor between Branhamella catarrhalis and the meningococcus?

Host preference Signup and view all the answers

Which Gram-positive coccus causes pneumococcal pneumonia?

Streptococcus pneumoniae Signup and view all the answers

What is the most common cause of bacterial pneumonia?

Pneumococci Signup and view all the answers

What is the most common cause of otitis media in young children?

Streptococcus pneumoniae Signup and view all the answers

Which bacterium is often responsible for bacterial pneumonia?

Streptococcus pneumoniae Signup and view all the answers

What characteristic can help differentiate various strains of Streptococcus pneumoniae?

Surface antigens in the Quellung test Signup and view all the answers

What symptom is often associated with pneumococcal pneumonia?

Difficulty in breathing (dyspnea) Signup and view all the answers

Which type of colonies does Streptococcus pneumoniae form on blood agar?

Small mucoid colonies with a central depression Signup and view all the answers

What is a common feature of virulent strains of Streptococcus pneumoniae?

Lack of capsules Signup and view all the answers

Bacterial Toxins and Their Effects

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Questions and Answers

Which toxin causes the epidermis to separate from the dermis?

What is the role of Hemolysins?

What is the characteristic feature of Toxic Shock Syndrome?

How does S.aureus typically spread in the community?

What are the common factors that may make an individual prone to S.aureus infection?

What is a characteristic feature of localized cutaneous Staphylococcal infections?

What is the characteristic feature of impetigo?

What term is used to describe a cluster of furuncles?

Which infection results in blistering and peeling away of outer skin layers?

What are common clinical symptoms of bacterial endocarditis?

Which condition is characterized by the presence of bacteria in the blood?

What causes inflammation of bone and marrow or bone marrow?

What is the hallmark symptom of toxic shock syndrome caused by toxigenic Staphylococcal strains?

Which of the following bacterial infections primarily affects menstruating females?

What causes a high mortality rate among hospital patients with chronic diseases?

Which of the following infections is characterized by inflammation of the lung?

What is a symptom not associated with toxic shock syndrome?

In which form do staphylococci account for only a small percentage of cases but is very severe?

What is the characteristic symptom of bacterial pneumonia?

Where is Branhamella catarrhalis normally found in the human body?

Which Gram-negative coccus can cause nosocomial infections and survive on fomites?

What is the distinguishing factor between Branhamella catarrhalis and the meningococcus?

Which Gram-positive coccus causes pneumococcal pneumonia?

What is the most common cause of bacterial pneumonia?

What is the most common cause of otitis media in young children?

Which bacterium is often responsible for bacterial pneumonia?

What characteristic can help differentiate various strains of Streptococcus pneumoniae?

What symptom is often associated with pneumococcal pneumonia?

Which type of colonies does Streptococcus pneumoniae form on blood agar?

What is a common feature of virulent strains of Streptococcus pneumoniae?

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