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Antibiotics and Anti-Infective Medications Quiz

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Antibiotics and Anti-Infective Medications Quiz

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Questions and Answers

What is the mechanism of action of trimethoprim-sulfamethoxazole (Bactrim)?

Bactericidal - inhibits cell wall synthesis

Bactericidal - inhibits DNA replication

Bacteriostatic - inhibits synthesis of folic acid (correct)

Bacteriostatic - inhibits protein synthesis

Which statement about metronidazole (Flagyl) is incorrect?

It is used to treat protozoa infections in the gastrointestinal and vaginal flora.

It is bactericidal and works under anaerobic conditions.

It is used as pre-operative prophylaxis.

It inhibits the action of warfarin. (correct)

What is the mechanism of action of amphotericin B (Fungizone)?

Inhibits protein synthesis in fungal cells

Causes fungal cells to leak out by affecting the cell wall (correct)

Inhibits cell wall synthesis in fungal cells

Inhibits DNA replication in fungal cells

Which statement about albuterol sulfate (Proventil) is correct?

It is a beta-2 selective adrenergic agonist bronchodilator. Signup and view all the answers

What is the mechanism of action of anticholinergic bronchodilators like ipratropium bromide (Atrovent)?

Blocks acetylcholine at its receptors in the lungs, leading to bronchodilation Signup and view all the answers

Which statement about montelukast sodium (Singulair) is incorrect?

It is used for the treatment of severe acute asthma attacks. Signup and view all the answers

What is the mechanism of action of glucocorticoids like beclomethasone (Beclovent)?

Inhibits the expression of genes that control the release of inflammatory mediators Signup and view all the answers

Which statement about acetylcysteine (Mucomyst) is correct?

It is used as an antidote for acetaminophen overdose. Signup and view all the answers

Which statement about isoniazid is incorrect?

It is used in combination with rifampin for a 3-month treatment regimen. Signup and view all the answers

What is the mechanism of action of thiazide diuretics like hydrochlorothiazide?

Blocks sodium reabsorption at the distal tubules Signup and view all the answers