Leprosy Diagnosis and Transmission

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How can the organism that causes leprosy gain entrance into the body?

Contact with infected animals

Through consumption of contaminated food

Through the respiratory system or broken skin (correct)

By contact with water contaminated by the organism

Which form of leprosy is NOT contagious?

Lepromatous form

Papulonecrotic form

Borderline form

Tubeculoid form (correct)

How is the organism that causes leprosy diagnosed in the laboratory?

Culturing in laboratory animals only

It cannot be diagnosed in the laboratory

Through growth on artificial media

Demonstration from skin smears or biopsy specimens (correct)

What is the main method for preventing the spread of staphylococcal skin infections?

Using Standard Precautions Signup and view all the answers

Which type of skin infection involves a minor infection of a hair follicle?

Folliculitis Signup and view all the answers

What type of pathogen is responsible for staphylococcal skin infections?

Gram-positive coccus Signup and view all the answers

What is the mode of transmission of gas gangrene?

Contact with soil containing clostridial spores entering an open wound Signup and view all the answers

Which bacterial infection is characterized by the presence of Gram-positive and/or Gram-variable bacilli in laboratory diagnosis?

Anthrax Signup and view all the answers

What is the recommended patient care precaution for pulmonary anthrax?

Use soap and water for handwashing Signup and view all the answers

Which form of leprosy is characterized by few skin lesions and severe peripheral nerve involvement?

Tuberculoid leprosy Signup and view all the answers

What is the primary reservoir for the pathogen causing leprosy?

Humans Signup and view all the answers

What is the characteristic sign of gas gangrene due to gases released from the infecting pathogen?

Pockets of gas in the infected tissue Signup and view all the answers

Which of the following is the most common source of transmission for bacterial skin infections caused by Staphylococcus aureus?

Persons with a draining lesion or purulent discharge Signup and view all the answers

What is the recommended laboratory diagnostic method for identifying the infecting strain in staphylococcal skin infections?

Isolating and identifying the strain using phenotypic characteristics Signup and view all the answers

Which type of precautions should be followed for patients with minor or limited skin, burn, or wound infections caused by Staphylococcus aureus?

Standard Precautions Signup and view all the answers

Which of the following is NOT a form of staphylococcal skin infection mentioned in the text?

Leprosy Signup and view all the answers

Which bacterial toxin is responsible for causing Scarlet Fever?

Erythrogenic toxin Signup and view all the answers

What type of precautions should be followed for patients with staphylococcal skin infections that cannot be contained by dressings, or for severe infections like Staphylococcal Scalded Skin Syndrome (SSSS)?

Contact Precautions Signup and view all the answers