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Antibacterial Agents and Antibiotics Pharmacology Quiz

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Antibacterial Agents and Antibiotics Pharmacology Quiz

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Questions and Answers

What is the definition of antibiotics?

Chemical substances that only kill gram-negative rods

Chemical substances that are resistant to hydrolysis by β-lactamases

Chemical substances that kill or inhibit the growth of microorganisms (correct)

Chemical substances that are only active against fungi

What is the origin of the word 'antibiotic'?

It was coined by Alexander Fleming in 1928

It originated from the Greek words anti and bios

It came from the word antibiosis, coined by Louis Pasteur’s pupil Paul Vuillemin (correct)

It was derived from the term 'antipseudomonal'

Which microorganisms are antistaphylococcal penicillins (e.g., nafcillin) active against?

Anaerobic bacteria and gram-negative cocci

Staphylococci and streptococci (correct)

Gram-positive rods and gram-negative rods

Staphylococci and enterococci

What is the primary characteristic of extended-spectrum penicillins (e.g., ampicillin and the antipseudomonal penicillins)?

<p>They have a broader spectrum of activity</p> Signup and view all the answers

What is the literal meaning of the Greek words 'anti' and 'bios' which form the term 'antibiotic'?

<p>Against life</p> Signup and view all the answers

Antibacterial Agents and Antibiotics Pharmacology Quiz

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Questions and Answers

What is the definition of antibiotics?

What is the origin of the word 'antibiotic'?

Which microorganisms are antistaphylococcal penicillins (e.g., nafcillin) active against?

What is the primary characteristic of extended-spectrum penicillins (e.g., ampicillin and the antipseudomonal penicillins)?

What is the literal meaning of the Greek words 'anti' and 'bios' which form the term 'antibiotic'?

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