Pharmacology XI

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For treating most oral infections, penicillin V is preferred to penicillin G because penicillin V

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The sole therapeutic advantage of penicillin V over penicillin G is

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Which of the following penicillins is administered ONLY by deep intramuscular injection?

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The principal difference among potassium, procaine and benzathine salts of penicillin G is their

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Which of the following antibiotics is cross-allergenic with penicillin and should NOT be administered to the penicillin-sensitive patient?

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Which of the following antibiotics may be cross-allergenic with penicillin?

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Which of the following antibiotics shows an incidence of approximately 8% cross-allergenicity with penicillins?

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Which of the following groups of antibiotics is related both structurally and by mode of action to the penicillins?

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For the dentist, the most reliable method of detecting a patient’s allergy to penicillin is by

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Which of the following antibiotics is the substitute of choice for penicillin in the penicillin-sensitive patient?

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Most anaphylactic reactions to penicillin occur
a. When the drug is administered orally
b. In patients who have already experienced an allergic reaction to the drug
c. In patients with a negative skin test to penicillin allergy
d. When the drug is administered parenterally
e. Within minutes after drug administration

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Which of the following penicillins has a broader gram-negative spectrum than penicillin G?

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Which of the following penicillins has the best gram-negative spectrum?

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Which of the following antibiotics should be considered the drug of choice in the treatment of infection caused by a penicillinaseproducing staphylococcus?

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Oral infections caused by organisms that produce penicillinase should be treated with

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Which of the following antibiotics is LEAST effective against penicillinase-producing microorganisms?

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Which of the following is a bactericidal antibiotic used specifically in the treatment of infections caused by Pseudomonas species and indole-positive Proteus species?

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Penicillin’s effectiveness against rapidly growing cells is primarily due to its effect on

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Chlortetracycline acts by interfering with

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The probable mechanism of the bacteriostatic action of sulfonamides involves

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The sulfonamides act by

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Which antibiotic is able to achieve a higher concentration in bone than in serum?

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Tetracycline reduces the effectiveness of concomitantly administered penicillin by

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The action of which of the following drugs will most likely be impaired by concurrent administration of tetracycline?

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Which of the following antibiotics is most likely to cause liver damage?

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Which of the following erythromycins associated with an allergic cholestatic hepatitis?

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Which of the following antibiotics is LEAST likely to cause superinfection?

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Gastrointestinal upset and pseudomembranous colitis has been prominently associated with

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Symptoms that may be characterized as allergic manifestations during penicillin therapy are

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Aplastic anemia is a serious toxic effect that occurs particularly after a course of treatment with which of the following antibiotics?

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Each of the following is a side effect of prolonged tetracycline hydrochloride therapy EXCEPT:

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Colitis that results following clindamycin therapy is caused by an overgrowth of

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Which antibiotic is appropriate for premedication in the penicillin allergic patient?

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Acyclovir is useful for treating

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A distinct advantage that tetracyclines have over penicillins is that tetracyclines

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Which of the following has the broadest antimicrobial spectrum?

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Sulfonamides and trimethoprim are synergistic bacteriostatic agents because in bacteria they

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Which of the following substances is the most effective agent against fungus infections of the mucous membrane?

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The most desirable property of an antibiotic when used to treat an odontogenic infection is

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Nystatin is of greatest clinical usefulness in treating

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Which of the following drugs chelates with calcium?

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Which of the following is NOT characteristic of tetracycline antibiotics?

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The concurrent administration of penicillin G and probenecid results in

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Interaction between penicillin and probenicid is best described by which of the following mechanisms?

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When broad-spectrum antibiotics are administered with coumarin anticoagulants, the anticoagulant action may be

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The therapeutic effectiveness of which of the following drugs will be most affected by concomitant ingestion of antacids?

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Erythromycin should be avoided in the patient taking

Praxis Tests: Pharmacology Test sobre Pharmacology XI, creado por ACAPUN INSTITUTE el 08/11/2021.

Pharmacology XI

Pharmacology XI

For treating most oral infections, penicillin V is preferred to penicillin G because penicillin V

The sole therapeutic advantage of penicillin V over penicillin G is

Which of the following penicillins is administered ONLY by deep intramuscular injection?

The principal difference among potassium, procaine and benzathine salts of penicillin G is their

Which of the following antibiotics is cross-allergenic with penicillin and should NOT be administered to the penicillin-sensitive patient?

Which of the following antibiotics may be cross-allergenic with penicillin?

Which of the following antibiotics shows an incidence of approximately 8% cross-allergenicity with penicillins?

Which of the following groups of antibiotics is related both structurally and by mode of action to the penicillins?

For the dentist, the most reliable method of detecting a patient’s allergy to penicillin is by

Which of the following antibiotics is the substitute of choice for penicillin in the penicillin-sensitive patient?

Which of the following penicillins has a broader gram-negative spectrum than penicillin G?

Which of the following penicillins has the best gram-negative spectrum?

Which of the following antibiotics should be considered the drug of choice in the treatment of infection caused by a penicillinaseproducing staphylococcus?

Oral infections caused by organisms that produce penicillinase should be treated with

Which of the following antibiotics is LEAST effective against penicillinase-producing microorganisms?

Which of the following is a bactericidal antibiotic used specifically in the treatment of infections caused by Pseudomonas species and indole-positive Proteus species?

Penicillin’s effectiveness against rapidly growing cells is primarily due to its effect on

Chlortetracycline acts by interfering with

The probable mechanism of the bacteriostatic action of sulfonamides involves