A nurse is preparing to administer metronidazole 2 g PO to a client who has trichomoniasis. Available is metronidazole 250 mg tablets.
How many tablets should the nurse administer? (Round the answer to the nearest whole number. Use a leading zero if it applies.
Do not use a trailing zero.) .
The Correct Answer is ["8"]
Step 1 is to determine the total amount of metronidazole needed, which is 2 g.
Step 2 is to convert grams to milligrams, as the available medication is in milligrams. So, 2 g is equal to 2000 mg.
Step 3 is to calculate the number of tablets needed. Each tablet contains 250 mg of metronidazole. Therefore, the calculation is 2000 mg ÷ 250 mg/tablet.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Administering oxygen helps improve oxygenation to the fetus and is the priority intervention for late decelerations. Oxytocin is commonly used for induction and augmentation of labor. Its influence is indirect via increased uterine activity, mostly due to increased frequency of contractions or baseline pressure (hypertonus). Increase in duration or amplitude of contractions can also lead to FHR changes. The FHR changes associated with oxytocin infusion may be caused by compression of the cord with contractions or by the reduction in placental perfusion due to increased intrauterine basal pressure and frequent contractions cutting off the blood supply to the placenta. Therefore, administering oxygen can help improve the oxygen supply to the fetus.
Choice B rationale
Instructing the client to bear down and push with contractions is not the appropriate action when the fetus is experiencing persistent late decelerations. This action is more associated with the active phase of labor and not with managing fetal distress.
Choice C rationale
Amnioinfusion is a procedure where a saline solution is instilled into the uterus during labor if there is low amniotic fluid, or thick meconium is present. It is not typically used in response to late decelerations in the FHR.
Choice D rationale
Placing the client in a supine position is not the correct action. The supine position can exacerbate a condition known as supine hypotensive syndrome, where the gravid uterus compresses the inferior vena cava, reducing venous return to the heart and cardiac output. This can potentially worsen fetal distress.
Correct Answer is B
Explanation
Choice A rationale
Administering Oxytocin to the client is an important intervention for postpartum hemorrhage, but it is not the first action the nurse should take. Oxytocin stimulates uterine contractions which can help control bleeding, but it should be administered after the initial steps of assessing the uterus and ensuring it is firm.
Choice B rationale
Massaging the client’s fundus is the priority action to address excessive vaginal bleeding. A firm, well-contracted uterine fundus often helps to control postpartum bleeding. If the uterus is not well contracted, gentle massage is often sufficient to stimulate contractions. If the uterus does not respond to massage, then further interventions such as administering Oxytocin may be necessary.
Choice C rationale
Providing oxygen to the client via a non-rebreather face mask is an intervention that might be necessary if the client shows signs of hypoxia or shock as a result of the bleeding. However, it is not the first action that should be taken.
Choice D rationale
Emptying the client’s bladder is important as a distended bladder can displace the uterus and interfere with contractions, leading to increased bleeding. However, this is not the first action to take.
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