A nurse is preparing to administer gentamicin 2 mg/kg IM to a client who has pelvic inflammatory disease and weighs 132 lb. Available is gentamicin injection 40 mg/mL. How many mL 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 ["3"]
Use the following formula to calculate the amount of gentamicin to administer:
Volume (mL) = Dose (mg) / Concentration (mg/mL)
First, I need to convert the client's weight from pounds to kilograms. One pound is equal to 0.4536 kilograms. Therefore, 132 lb is equal to 132 x 0.4536 = 59.8752 kg.
Next, I need to multiply the client's weight by the prescribed dose of gentamicin per kilogram. The prescribed dose is 2 mg/kg, so the total dose is 2 x 59.8752 = 119.7504 mg.
Finally, I need to divide the total dose by the concentration of gentamicin in the injection. The concentration is 40 mg/mL, so the volume is 119.7504 / 40 = 2.99376 mL.
To round the answer to the nearest whole number, I need to look at the first decimal place. If it is 5 or more, I round up; if it is less than 5, I round down. In this case, the first decimal place is 9, which is more than 5, so I round up. Therefore, the final answer is 3 mL.
The nurse should administer 3 mL of gentamicin injection to the client.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
In a newborn, bluish discoloration of the hands and feet may indicate a condition called peripheral cyanosis, which suggests poor oxygenation. It is important to report this finding to the healthcare provider promptly, as it may indicate a respiratory or circulatory problem that requires immediate attention.
Option a) Overlapping of the cranial bones is a common finding in newborns due to the molding of the head during delivery. This is not a priority finding to report unless there are other signs of concern, such as abnormal head shape or signs of trauma.
Option b) Small, distended white sebaceous glands on the face are called milia and are a normal finding in newborns. They are not a priority finding to report and typically resolve on their own within a few weeks.
Option c) Forward and lateral positioning of the ears is a normal finding in a newborn and is not a priority to report. The ears may appear folded or positioned differently due to the pressure and positioning in the womb.
Correct Answer is B
Explanation
Among the given options, the client who has hyperemesis gravidarum and a sodium level of 110 mEq/L should be assessed first. Hyperemesis gravidarum is a condition characterized by severe and persistent vomiting during pregnancy, leading to dehydration and electrolyte imbalances. A sodium level of 110 mEq/L indicates hyponatremia, which is an abnormally low level of sodium in the blood.
Hyponatremia can lead to serious complications, including neurological symptoms such as confusion, seizures, and coma. Prompt assessment and intervention are necessary to correct the electrolyte imbalance and prevent further complications.
Option a) A client with preeclampsia and a creatinine level of 1.1 mg/dL should be monitored closely, as elevated creatinine levels can indicate impaired kidney function. However, in this scenario, the client with hyperemesis gravidarum and severe hyponatremia requires more immediate attention due to the potential for neurological complications.
Option c) A client with diabetes mellitus and an HbA1C of 5.8% may require further management and monitoring, but it does not present an immediate risk or urgency compared to the client with hyperemesis gravidarum and severe hyponatremia.
Option d) A client with placenta previa and a hematocrit of 35% may need close monitoring for potential bleeding, but it does not pose an immediate threat compared to the client with hyperemesis gravidarum and severe hyponatremia.
Therefore, the nurse should assess the client who has hyperemesis gravidarum and a sodium level of 110 mEq/L as the first priority due to the risk of complications associated with severe hyponatremia.
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