A patient has a urinary tract infection.
The nurse knows that which class of drugs is especially useful for such infections?

Macrolides

Sulfonamides

Carbapenems

Tetracyclines

Answer and Explanation

The Correct Answer is B

Choice A rationale:

Macrolides Macrolides, such as erythromycin and azithromycin, are a class of antibiotics that are typically used to treat infections caused by gram-positive bacteria and some respiratory tract infections. They are not the first line of treatment for urinary tract infections.

Choice B rationale:

Sulfonamides Sulfonamides, such as sulfamethoxazole, are often used to treat urinary tract infections. They work by stopping the growth of bacteria. Sulfonamides are often combined with other antibiotics like trimethoprim to increase their effectiveness. This combination is commonly known as co-trimoxazole.

Choice C rationale:

Carbapenems Carbapenems are a class of antibiotics that are usually reserved for serious infections caused by gram-negative bacteria. While they can be used to treat a variety of infections, they are not typically the first choice for urinary tract infections.

Choice D rationale:

Tetracyclines Tetracyclines are a group of broad-spectrum antibiotics that are effective against a wide range of bacteria. However, they are not typically used for urinary tract infections. They are more commonly used for infections such as acne, chlamydia, and Lyme disease.

Please consult with a healthcare professional for accurate information.

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Correct Answer is D

Explanation

Choice A rationale:

Acyclovir is an antiviral medication used to treat infections caused by certain types of viruses. It is primarily used for the treatment of herpes simplex virus infections, chickenpox, and shingles. However, it is not typically used as an anti-HIV drug.

Choice B rationale:

Ribavirin is an antiviral medication used to treat hepatitis C and certain other viral infections. While it has broad-spectrum antiviral activity, it is not specifically used to prevent mother-to-child transmission of HIV.

Choice C rationale:

Foscarnet is an antiviral medication used to treat or prevent cytomegalovirus (CMV) retinitis in individuals with AIDS. It is also used to treat cold sores and genital herpes. However, it is not the first-line choice for preventing mother-to-child transmission of HIV.

Choice D rationale:

Zidovudine, also known as AZT, is an antiretroviral medication used to prevent and treat HIV/AIDS. It is generally safe for use during pregnancy and is commonly used to prevent mother-to-child transmission of HIV12. It works by inhibiting the reverse transcriptase enzyme, thereby blocking viral replication. The use of Zidovudine and other antiretroviral drugs in pregnant women with HIV has significantly reduced the rate of mother-to-child transmission of the virus.

A. Rifampin B. Ethambutol C. Streptomycin D. Isoniazid

Correct Answer is A

Explanation

Choice A rationale:

Rifampin Rifampin is an antitubercular drug that is effective against all strains of Mycobacterium tuberculosis. It works by inhibiting the synthesis of RNA in the bacteria, preventing them from reproducing. However, it does not typically cause a decrease in visual acuity.

Choice B rationale:

Ethambutol Ethambutol is an antitubercular drug that can cause ocular toxicity in the form of visual field changes. It is known to induce toxic optic neuropathy, which is quite common and can lead to a decrease in visual acuity. Patients on Ethambutol therapy are advised to report any changes in visual acuity or eye discomfort immediately to their healthcare provider.

Choice C rationale:

Streptomycin Streptomycin is an aminoglycoside antibiotic used in the treatment of tuberculosis. It works by inhibiting protein synthesis in bacteria. While it can cause side effects such as ototoxicity and nephrotoxicity, it is not typically associated with a decrease in visual acuity.

Choice D rationale:

Isoniazid Isoniazid is a first-line antitubercular drug that works by inhibiting the synthesis of mycolic acids in the cell wall of Mycobacterium tuberculosis. While it can cause peripheral neuropathy, it is not typically associated with a decrease in visual acuity.

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A patient has a urinary tract infection. The nurse knows that which class of drugs is especially useful for such infections?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is D

Explanation

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Correct Answer is A

Explanation

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A patient has a urinary tract infection.
The nurse knows that which class of drugs is especially useful for such infections?