A nurse is preparing to administer ceftriaxone (Rocephin) to a client who has bacterial meningitis.
The nurse should recognize that this medication is effective against which type of bacteria?
Gram-positive
Gram-negative
Anaerobic
Aerobic.
The Correct Answer is B
Ceftriaxone (Rocephin) is a third-generation cephalosporin antibiotic that works by interfering with the formation of bacterial cell walls. It is effective against gram-negative bacteria, such as Neisseria gonorrhoeae and Haemophilus species, which are common causes of bacterial meningitis.
Choice A is wrong because ceftriaxone is less active against gram-positive bacteria, such as Staphylococcus and Streptococcus species.
Choice C is wrong because ceftriaxone is not effective against anaerobic bacteria, which are bacteria that do not require oxygen to grow. Anaerobic bacteria are usually treated with metronidazole or clindamycin.
Choice D is wrong because ceftriaxone can treat both aerobic and anaerobic gram-negative bacteria, but not all aerobic bacteria are gram-negative.
Aerobic bacteria are bacteria that require oxygen to grow. Some examples of aerobic gram-positive bacteria are Listeria monocytogenes and Bacillus anthracis, which are resistant to ceftriaxone.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
This statement indicates that the client understands that nitrofurantoin (Macrobid) can cause gastrointestinal upset and taking it with food or milk can help reduce this side effect.
Choice B is wrong because drinking at least two liters of water daily is a general measure to prevent urinary tract infections (UTIs), not a specific instruction for nitrofurantoin.
Choice C is wrong because the client should complete the full course of antibiotics even if they feel better, to avoid recurrence or resistance of the infection.
Choice D is wrong because using a straw to drink this medication is not necessary or helpful.
Nitrofurantoin is an oral capsule, not a liquid.Using a straw may be advised for liquid medications that can stain the teeth, such as iron supplements.
Correct Answer is ["A","D","E"]
Explanation
Choice A is correct because azithromycin can cause liver toxicity and hepatitis, so the nurse should monitor the client’s liver function tests.
Choice B is wrong because azithromycin can be taken with or without food.
Choice C is wrong because azithromycin does not interact with dairy products.
Choice D is correct because azithromycin can increase the risk of sunburn and photosensitivity, so the nurse should advise the client to use sunscreen and avoid excessive sun exposure.
Choice E is correct because azithromycin is a bacteriostatic antibiotic that requires the client to complete the full course of therapy to prevent bacterial resistance and recurrence of infection.
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