Nada M Nass Linezolid and Antibacterial Agents Quiz

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What is the function of ergosterol in fungi?

Preventing synthesis of ergosterol

Binding to sterols

Interfering with the fungal cell membrane

Acting as a sterol similar to cholesterol in animal cells (correct)

How do most antifungals act in treating fungal infections?

Inhibiting DNA synthesis in fungi

Preventing the synthesis of ergosterol

Interfering with the integrity of the fungal cell membrane (correct)

Binding to sterols

Why are there few antiviral agents compared to antibacterial agents?

Antivirals are less effective

Viral replication is difficult to target without harming host cells (correct)

Viruses have fewer targets for drug interference

Viral infections are less common

What is the aim of antiviral therapy?

Minimize symptoms and infectivity, shorten illness duration Signup and view all the answers

What is the role of nucleotide analogues in antiviral therapy?

Inhibit viral DNA synthesis Signup and view all the answers

What makes it difficult to develop antiviral drugs that do not harm host cells?

Viruses are obligate intracellular parasites Signup and view all the answers

Which of the following is an example of an antifungal medication?

(ex. Miconazole) Signup and view all the answers

"Antimycotic" refers to medications used to treat which type of infection?

(ex. Miconazole) Signup and view all the answers

Why are few agents available for systemic therapy against fungal infections?

Few targets for drug interference Signup and view all the answers

How do antifungal medications primarily act in treating fungal infections?

By interfering with the integrity of the fungal cell membrane Signup and view all the answers

What is the main challenge in developing antiviral drugs that do not harm host cells?

Viruses being intracellular parasites Signup and view all the answers

Why are there limited options for systemic therapy against fungal infections?

Few agents are available for treatment of systemic therapy Signup and view all the answers

What is the primary purpose of antiviral therapy?

To reduce symptoms and infectivity, and shorten illness duration Signup and view all the answers

What distinguishes nucleotide analogues among antiviral agents?

They are phosphorylated to inhibit viral DNA synthesis Signup and view all the answers

Which sterol found in fungi plays a role similar to cholesterol in animal cells?

Ergosterol Signup and view all the answers

What type of infections are nucleotide analogues mainly used to treat?

Viral infections Signup and view all the answers

Which of the following is true about the action of antifungal medications?

They act by interfering with the fungal cell membrane's integrity Signup and view all the answers

How do most antiviral agents aim to impact the viral replication cycle according to the text?

By arresting the replication cycle at different stages Signup and view all the answers

What is a common characteristic of most antifungals as mentioned in the text?

They act by binding to sterols or preventing ergosterol synthesis Signup and view all the answers

Nada M Nass Linezolid and Antibacterial Agents Quiz

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