Biology
Antibiotics and Immunity
974 Questions
Prepare for your science sections with these questions on antibiotics and immunity. The hub covers various classes of antibiotics, their sources, and mechanisms of microbial resistance. It also addresses the human antiviral response.
Antibiotic classes and sourcesMicrobial resistance mechanismsAntiviral proteinsDisease treatments
Antibiotics and Immunity Questions
Which of the following is NOT a way to reduce antibiotic resistance?
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Only take antibiotics when prescribed
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Take antibiotics exactly as prescribed
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Share antibiotics with others
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Finish the entire course of antibiotics
C
Correct answer
Explanation
Sharing antibiotics with others is not a way to reduce antibiotic resistance.
Which type of microorganism is commonly used in the production of antibiotics?
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Bacteria
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Fungi
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Protozoa
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Algae
A
Correct answer
Explanation
Bacteria, particularly certain species of Streptomyces and Penicillium, are well-known producers of antibiotics.
Which type of antimicrobial agent targets and inhibits the synthesis of bacterial cell walls?
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Beta-lactam antibiotics
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Tetracyclines
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Macrolides
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Aminoglycosides
A
Correct answer
Explanation
Beta-lactam antibiotics, such as penicillin and cephalosporins, are a class of antimicrobial agents that specifically target and inhibit the synthesis of bacterial cell walls, leading to cell death.
Which type of antimicrobial agent targets and inhibits the synthesis of bacterial proteins?
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Beta-lactam antibiotics
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Tetracyclines
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Macrolides
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Aminoglycosides
B
Correct answer
Explanation
Tetracyclines are a class of antimicrobial agents that primarily target and inhibit the synthesis of bacterial proteins, interfering with their growth and replication.
Which type of antimicrobial agent targets and inhibits the synthesis of bacterial DNA?
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Beta-lactam antibiotics
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Tetracyclines
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Macrolides
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Fluoroquinolones
D
Correct answer
Explanation
Fluoroquinolones are a class of antimicrobial agents that primarily target and inhibit the synthesis of bacterial DNA, interfering with their replication and causing cell death.
Which type of antimicrobial agent targets and inhibits the synthesis of bacterial RNA?
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Beta-lactam antibiotics
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Tetracyclines
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Macrolides
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Rifamycins
D
Correct answer
Explanation
Rifamycins are a class of antimicrobial agents that primarily target and inhibit the synthesis of bacterial RNA, interfering with their transcription and protein synthesis.
Which type of antimicrobial agent targets and inhibits the synthesis of bacterial cell membranes?
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Beta-lactam antibiotics
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Tetracyclines
-
Macrolides
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Polymyxins
D
Correct answer
Explanation
Polymyxins are a class of antimicrobial agents that primarily target and disrupt the synthesis of bacterial cell membranes, leading to leakage of cell contents and cell death.
Which type of antimicrobial agent targets and inhibits the synthesis of bacterial folic acid?
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Beta-lactam antibiotics
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Tetracyclines
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Macrolides
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Sulfonamides
D
Correct answer
Explanation
Sulfonamides are a class of antimicrobial agents that primarily target and inhibit the synthesis of bacterial folic acid, an essential cofactor for various metabolic processes.
Which of the following drugs is known to cause ototoxicity?
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Aminoglycosides
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Vancomycin
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Cisplatin
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All of the above
D
Correct answer
Explanation
Aminoglycosides, vancomycin, and cisplatin are all known to cause ototoxicity, a condition that can lead to hearing loss and balance problems.
Which of the following is NOT a type of antimicrobial agent?
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Antibiotic
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Antiviral
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Antifungal
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Antiparasitic
D
Correct answer
Explanation
Antiparasitic agents are not typically considered to be antimicrobial agents, as they do not target microorganisms.
What is the purpose of administering prophylactic antibiotics to children with Rheumatic Heart Disease?
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To prevent recurrence of rheumatic fever
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To treat the underlying bacterial infection
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To reduce the risk of endocarditis
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All of the above
D
Correct answer
Explanation
Prophylactic antibiotics are given to children with Rheumatic Heart Disease to prevent recurrence of rheumatic fever, treat the underlying bacterial infection, and reduce the risk of endocarditis.
How is the common cold treated?
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Antibiotics
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Antiviral medications
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Rest and fluids
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Over-the-counter medications
C
Correct answer
Explanation
The common cold is typically treated with rest, fluids, and over-the-counter medications to relieve symptoms.
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Antibiotics
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Antiviral medications
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Rest and fluids
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Over-the-counter medications
B
Correct answer
Explanation
The flu is typically treated with antiviral medications, rest, fluids, and over-the-counter medications to relieve symptoms.
How is pneumonia treated?
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Antibiotics
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Antiviral medications
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Rest and fluids
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Over-the-counter medications
A
Correct answer
Explanation
Pneumonia is typically treated with antibiotics, rest, fluids, and over-the-counter medications to relieve symptoms.
How is tuberculosis treated?
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Antibiotics
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Antiviral medications
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Rest and fluids
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Over-the-counter medications
A
Correct answer
Explanation
Tuberculosis is typically treated with antibiotics, rest, fluids, and over-the-counter medications to relieve symptoms.