A nurse is caring for a client ordered ceftazidime 1g IM every 6 hours. The drug comes in a vial with a powder which is reconstituted with 3mL of sterile water for a final concentration of 280 mg/mL. How many mi. will be drawn into the syringe for the dose ordered? Do not use leading zero (Round to the tenth)
The Correct Answer is ["3.6"]
Given:
Desired dose: Ceftazidime 1 g IM every 6 hours
Available concentration: Ceftazidime 280 mg/mL
To find:
Volume to administer (in mL)
Step 1: Convert desired dose to milligrams
1 gram (g) is equal to 1000 milligrams (mg).
Multiply by 1000:
Desired dose (mg) = Desired dose (g) x 1000
Desired dose (mg) = 1 g x 1000 = 1000 mg
Step 2: Set up the proportion
We can use the following proportion to solve the problem:
(Desired dose) / (Available concentration) = Volume to administer
Step 3: Substitute the values
Plugging in the given values, we get:
(1000 mg) / (280 mg/mL) = Volume to administer
Step 4: Simplify
To simplify, we can invert the denominator and multiply:
(1000 mg) x (1 mL / 280 mg) = Volume to administer
The "mg" units cancel out, leaving us with:
(1000 x 1 mL) / 280 = Volume to administer
Step 5: Calculate
Performing the multiplication and division, we get:
1000 mL / 280 = Volume to administer
3.57 mL ≈ Volume to administer
Step 6: Round to the nearest tenth
3.6mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2"]
Explanation
Given:
Desired dose: Ampicillin 0.5 g PO
Available concentration: Ampicillin capsules 250 mg each
To find:
Number of capsules to administer for a single dose
Step 1: Convert desired dose to milligrams
We know that 1 gram (g) is equal to 1000 milligrams (mg). Therefore, to convert the desired dose from grams to milligrams, we multiply by 1000:
Desired dose (mg) = Desired dose (g) x 1000
Desired dose (mg) = 0.5 g x 1000 = 500 mg
Step 2: Calculate the number of capsules
To find the number of capsules, we divide the desired dose by the strength of each capsule:
Number of capsules = Desired dose / Capsule strength
Number of capsules = 500 mg / 250 mg/capsule = 2 capsules
Correct Answer is A
Explanation
A) Practicing effleurage on the abdomen:
It is an excellent non-pharmacological pain management technique that can help distract the mother, reduce anxiety, and alleviate some of the discomfort associated with early labor. It also promotes relaxation and can help manage early labor pain effectively without the need for medications. This technique is easy to perform and can be done by the nurse or the partner, providing emotional support along with pain relief.
B) Beginning epidural anesthesia:
Epidural anesthesia is typically not initiated in the early phase of labor unless there is a specific indication or a desire for significant pain relief early in the process. An epidural is more commonly offered in the later stages of labor, when the pain is more intense and the cervix is further dilated. Starting an epidural too early could expose the mother to unnecessary risks and is generally not recommended unless it's requested or deemed medically necessary.
C) Using an opioid antagonist, such as Butorphanol:
Opioids, including Butorphanol, can have side effects such as drowsiness, nausea, and respiratory depression in both the mother and fetus. These medications are more commonly used in later stages of labor or when more potent pain relief is required. Additionally, opioid antagonists like Butorphanol may not be the best choice for a client who is experiencing anxiety and mild to moderate pain in the early phase, as they may not provide the relaxation and coping support that non-pharmacological methods like effleurage offer.
D) Immersing the client in hot water in a pool or Jacuzzi:
While immersion in water can be a helpful method of pain relief, especially during labor, it is generally recommended in the later stages of labor or when the cervix is dilated enough for water immersion to be safely utilized. Immersion in hot water may not be appropriate for all patients and could potentially lead to risks like overheating or changes in blood pressure. Additionally, the early phase of labor often involves less intense pain, and less invasive methods like effleurage are usually preferred first to manage discomfort and reduce anxiety.
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