Nursing practice questions with comprehensive rationales
NurseDive Free Nursing Practice Question
A. The first drugs used to treat infections date back to the 17th century.
While historical context is useful, the development of antimicrobials primarily began in the early 20th century, notably with penicillin discovered by Alexander Fleming in 1928.
B. Fluoroquinolones interfere with the growth and development of the bacteria cell wall.
This statement is incorrect; fluoroquinolones primarily inhibit bacterial DNA synthesis rather than directly affecting the cell wall.
C. Selective toxicity determines the appropriate drug dosage needed.
Selective toxicity is a principle of antimicrobial action but does not directly explain how a specific antimicrobial works therapeutically.
D. Penicillin interferes with synthesis of the bacteria cell wall.
Penicillin specifically interferes with the synthesis of the bacterial cell wall, leading to cell lysis and death of the bacteria, which is a fundamental mechanism of action for this antibiotic.
This question is an excerpt from Nurse Dive's nursing test bank - Med Surg Exam Antelope Valley College Proctored Exam. Take the full exam now
Full Explanation
A. While historical context is useful, the development of antimicrobials primarily began in the early 20th century, notably with penicillin discovered by Alexander Fleming in 1928.
B. This statement is incorrect; fluoroquinolones primarily inhibit bacterial DNA synthesis rather than directly affecting the cell wall.
C. Selective toxicity is a principle of antimicrobial action but does not directly explain how a specific antimicrobial works therapeutically.
D. Penicillin specifically interferes with the synthesis of the bacterial cell wall, leading to cell lysis and death of the bacteria, which is a fundamental mechanism of action for this antibiotic.
Similar Questions
Which of the following is a common side effect of antiplatelet therapy with medications such as clopidogrel?
A. Hypertension
Hypertension is not a common side effect of antiplatelet therapy; rather, it may be managed or monitored during treatment.
B. Gastrointestinal bleeding
Gastrointestinal bleeding is a well-documented side effect of antiplatelet medications like clopidogrel, as they inhibit platelet aggregation and can increase bleeding risk.
C. Hyperglycemia
Hyperglycemia is not typically associated with antiplatelet therapy; it is more commonly related to corticosteroids or certain diabetic medications.
D. Tachycardia
Tachycardia is not a common side effect of antiplatelet therapy; cardiovascular effects are usually related to the management of existing conditions.
Full Explanation
A. Hypertension is not a common side effect of antiplatelet therapy; rather, it may be managed or monitored during treatment.
B. Gastrointestinal bleeding is a well-documented side effect of antiplatelet medications like clopidogrel, as they inhibit platelet aggregation and can increase bleeding risk.
C. Hyperglycemia is not typically associated with antiplatelet therapy; it is more commonly related to corticosteroids or certain diabetic medications.
D. Tachycardia is not a common side effect of antiplatelet therapy; cardiovascular effects are usually related to the management of existing conditions.
When researching information about a drug, the nurse finds that the drug tightly binds to protein. The nurse would interpret this to mean that the drug will:
A. be released fairly quickly.
A drug that binds tightly to protein is typically released slowly, not quickly, as it remains bound in circulation.
B. have a long duration of action.
Tight binding to proteins usually results in a prolonged duration of action since the drug is released gradually into the bloodstream, leading to sustained therapeutic effects.
C. be excreted quickly.
Drugs that bind tightly to protein are generally not excreted quickly; they remain in circulation longer due to the binding.
D. lead to toxicity when given.
While toxicity can occur with any drug, tight protein binding does not inherently lead to toxicity; it primarily affects the pharmacokinetics of the drug.
Full Explanation
A. A drug that binds tightly to protein is typically released slowly, not quickly, as it remains bound in circulation.
B. Tight binding to proteins usually results in a prolonged duration of action since the drug is released gradually into the bloodstream, leading to sustained therapeutic effects.
C. Drugs that bind tightly to protein are generally not excreted quickly; they remain in circulation longer due to the binding.
D. While toxicity can occur with any drug, tight protein binding does not inherently lead to toxicity; it primarily affects the pharmacokinetics of the drug.
A male client is concerned with the inability to have an erection and asks for medication to help with this problem. Which information in the client's medication record would contraindicate the client from being prescribed medication for this condition?
A. nitroglycerin pm for angina
Nitroglycerin is contraindicated with erectile dysfunction medications such as sildenafil (Viagra) because both can cause significant drops in blood pressure when used together, potentially leading to severe cardiovascular complications.
B. furosemide 10 mg by mouth daily
Furosemide is a diuretic and does not have a direct contraindication with erectile dysfunction medications, although it may contribute to electrolyte imbalances.
C. verapamil 80 mg by mouth three times a day
Verapamil is a calcium channel blocker that does not directly contraindicate the use of erectile dysfunction medications but should be monitored for potential interactions affecting heart rate and blood pressure.
D. acetaminophen 650 mg by mouth prn arthritic pain
Acetaminophen is a pain reliever and does not pose a contraindication for erectile dysfunction medications.
Full Explanation
A. Nitroglycerin is contraindicated with erectile dysfunction medications such as sildenafil (Viagra) because both can cause significant drops in blood pressure when used together, potentially leading to severe cardiovascular complications.
B. Furosemide is a diuretic and does not have a direct contraindication with erectile dysfunction medications, although it may contribute to electrolyte imbalances.
C. Verapamil is a calcium channel blocker that does not directly contraindicate the use of erectile dysfunction medications but should be monitored for potential interactions affecting heart rate and blood pressure.
D. Acetaminophen is a pain reliever and does not pose a contraindication for erectile dysfunction medications.