A nurse is administering albendazole to a client who has a tapeworm infection. The client asks how the drug works. Which of the following responses should the nurse give?
“It prevents the worm from absorbing glucose.”
“It paralyzes the worm’s muscles.”
“It dissolves the worm’s cuticle.”
“It stimulates the worm’s nervous system."
The Correct Answer is A
Albendazole prevents the worm from absorbing glucose, which is its main source of energy. This leads to the worm’s death
Choice B is wrong because albendazole does not paralyze the worm’s muscles. It inhibits the formation of microtubules, which are important for cell division and movement
Choice C is wrong because albendazole does not dissolve the worm’s cuticle.
The cuticle is a protective layer that covers the worm’s body. Albendazole affects the internal cells of the worm, not the external ones
Choice D is wrong because albendazole does not stimulate the worm’s nervous system. It has the opposite effect of blocking the transmission of nerve impulses by interfering with tubulin, a protein that forms part of the nerve cells
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Integrase strand transfer inhibitors (INSTIs) are a class of antiviral drugs that block the action of integrase, a viral enzyme that inserts the viral genome into the DNA of the host cell. This prevents the virus from replicating and infecting new cells.
Choice A is wrong because nucleotide reverse transcriptase inhibitors (NRTIs) are a class of antiviral drugs that block the action of reverse transcriptase, a viral enzyme that converts the viral RNA into DNA.
Choice B is wrong because non-nucleoside reverse transcriptase inhibitors (NNRTIs) are a class of antiviral drugs that also block the action of reverse transcriptase, but in a different way than NRTIs.They bind to a different site on the enzyme and cause it to change shape.
Choice D is wrong because protease inhibitors (PIs) are a class of antiviral drugs that block the action of protease, a viral enzyme that cleaves the viral polyprotein into functional units.This prevents the virus from assembling and maturing.
Correct Answer is A
Explanation
Cyclosporine can interact with caspofungin and increase its plasma concentration and risk of liver toxicity.Cyclosporine is a drug used to prevent organ rejection or suppress the immune system.
Choice B is wrong because warfarin does not have a significant interaction with caspofungin.Warfarin is a blood thinner that prevents blood clots.
Choice C is wrong because metformin does not have a significant interaction with caspofungin.Metformin is a drug used to lower blood sugar levels in diabetes.
Choice D is wrong because digoxin does not have a significant interaction with caspofungin.Digoxin is a drug used to treat heart failure and irregular heartbeat.
Caspofungin is an antifungal drug that belongs to the echinocandin class.It works by inhibiting the synthesis of a component of the fungal cell wall called beta-glucan.
It is used to treat various fungal infections such as candidemia, esophageal candidiasis, invasive aspergillosis, and febrile neutropenia
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