Culturing of Piedraia hortae: Procedures and Identification

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Which organ involvement is commonly associated with Trichosporon asahii infections?

Kidney

Liver (correct)

Heart

Stomach

What pulmonary symptoms can be seen in individuals with Trichosporon asahii infections?

Headache and joint pain

Cough and chest pain (correct)

Back pain and dizziness

Nausea and vomiting

Which type of infection is Trichosporon asahii commonly known to cause in patients with indwelling catheters?

Catheter-related infections (correct)

Bone infections

Joint infections

Muscle infections

What type of infections can manifest as skin lesions, nodules, or abscesses in cases of Trichosporon asahii?

Cutaneous infections Signup and view all the answers

In which rare condition can Trichosporon asahii cause inflammation of the inner layers of the eye?

Endophthalmitis Signup and view all the answers

Which type of infection has been reported in some cases involving the urinary tract in relation to Trichosporon asahii?

Urinary tract infections Signup and view all the answers

What is the main causative agent of cutaneous mycoses?

Dermatophytes Signup and view all the answers

How do superficial mycoses differ from deeper-seated infections?

They don't invade living tissues Signup and view all the answers

What type of medications are often used to treat superficial mycoses?

Topical antifungal medications Signup and view all the answers

Which part of the body do superficial mycoses primarily affect?

Outermost skin layers Signup and view all the answers

In what way can good personal hygiene help prevent the recurrence of superficial mycoses?

By keeping affected areas clean and dry Signup and view all the answers

What is the main characteristic that distinguishes cutaneous mycoses from superficial mycoses?

Invasion of keratinized tissues Signup and view all the answers

Which characteristic is associated with Microsporum audouinii?

Greenish-yellow fluorescence under Wood's ultra-violet light Signup and view all the answers

What is a distinctive feature of Epidermophyton floccosum colonies?

White pleomorphic tufts of mycelium in older cultures Signup and view all the answers

What type of infection is typically caused by Microsporum audouinii?

Non-inflammatory infections of the scalp in children Signup and view all the answers

Which statement is true about the reverse pigment of Microsporum audouinii?

Yellowish-brown to reddish-brown color Signup and view all the answers

What type of hyphae may be present in Microsporum audouinii infections?

Racquet hyphae Signup and view all the answers

What method is used for the diagnosis of dermatophyte infections like those caused by Epidermophyton floccosum?

Clinical examination Signup and view all the answers

What is the medical significance of the plasma membrane in fungi?

Some antifungals disrupt its function, leading to fungal cell death. Signup and view all the answers

Which antifungal drug targets the synthesis of ergosterol, a key component of the fungal plasma membrane?

Fluconazole Signup and view all the answers

What is the medical significance of hyphal growth in pathogenic fungi?

It is associated with invasive and tissue-damaging properties. Signup and view all the answers

Which fungal species can cause severe lung infections in immunocompromised individuals by forming invasive hyphae?

Aspergillus Signup and view all the answers

What is the medical significance of yeast cells in causing infections?

Yeast forms can cause infections, especially in immunocompromised individuals. Signup and view all the answers

Which reproductive structures are involved in the transmission and establishment of fungal infections?

Conidia and spores Signup and view all the answers

What is the purpose of subculturing isolated colonies onto fresh culture media?

To obtain a pure culture for further characterization Signup and view all the answers

What is the main step involved in identification after subculturing?

Microscopic examination of the isolated fungus Signup and view all the answers

What type of media is commonly used for culturing dermatophytes and related fungi like Piedraia hortae?

Sabouraud dextrose agar supplemented with antibiotics and cycloheximide Signup and view all the answers