Multiple Choice
Which of the following statements best describes the relationship between the size of the zone of inhibition and an organism's sensitivity to an antibiotic in the disk diffusion test?
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1. Introduction to Microbiology
Introduction to Microbiology
Multiple Choice
Which of the following is classified as an anti-infective agent?
A
Analgesics
B
Antihypertensives
C
Antibiotics
D
Antacids
Verified step by step guidance1
Step 1: Understand the definition of an anti-infective agent. Anti-infective agents are substances that kill or inhibit the growth of infectious microorganisms such as bacteria, viruses, fungi, or parasites.
Step 2: Review each option and classify it based on its primary function: Analgesics relieve pain, Antihypertensives lower blood pressure, Antibiotics kill or inhibit bacteria, and Antacids neutralize stomach acid.
Step 3: Identify which option directly targets infectious agents. Since antibiotics are designed to combat bacterial infections, they fit the definition of anti-infective agents.
Step 4: Confirm that the other options do not have anti-infective properties. Analgesics, antihypertensives, and antacids do not act against infectious microorganisms.
Step 5: Conclude that among the given options, antibiotics are classified as anti-infective agents because they specifically target and treat infections caused by bacteria.
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