a nurse is preparing to administer dopamine hydrochloride at 4 mcgkgmin for a client weighing 80 kg how many mlhr should the nurse set the iv infusion

ATI RN

ATI Exit Exam 2023

1. A nurse is preparing to administer dopamine hydrochloride at 4 mcg/kg/min for a client weighing 80 kg. How many mL/hr should the nurse set the IV infusion to deliver?

A. 6 mL/hr
B. 8 mL/hr
C. 12 mL/hr
D. 16 mL/hr

Correct answer: A

Rationale: To calculate the correct rate, you first need to convert the weight to micrograms: 4 mcg/kg/min * 80 kg = 320 mcg/min. Then, convert micrograms to milligrams: 320 mcg/min / 1000 = 0.32 mg/min. Next, calculate how many milligrams per hour: 0.32 mg/min * 60 min/hr = 19.2 mg/hr. Finally, determine the mL/hr rate by using the concentration provided: 19.2 mg/hr / 800 mg in 250 mL = 6 mL/hr. Therefore, the correct answer is 6 mL/hr. Choice B, 8 mL/hr, is incorrect as it does not reflect the accurate calculation based on the weight and drug concentration. Choices C and D, 12 mL/hr and 16 mL/hr, are also incorrect as they do not align with the correct calculation of the infusion rate for dopamine hydrochloride based on the client's weight and the medication concentration.

2. A nurse is reviewing the medical record of a client who is at 30 weeks of gestation and has preeclampsia. Which of the following findings should the nurse report to the provider?

A. Blood pressure 140/90 mm Hg
B. 1+ pitting edema in the lower extremities
C. Weight gain of 2.3 kg (5 lb) in 1 week
D. Mild headache

Correct answer: C

Rationale: A weight gain of 2.3 kg (5 lb) in 1 week can indicate worsening preeclampsia due to fluid retention, which can lead to serious complications. This finding should be reported promptly to the provider for further assessment and intervention. Blood pressure of 140/90 mm Hg is high but may not be an immediate concern for a client with preeclampsia at 30 weeks. 1+ pitting edema in the lower extremities is common in pregnancy, especially in the third trimester, and may not be a significant finding in isolation. A mild headache can be a common symptom in pregnancy and may not be indicative of worsening preeclampsia unless accompanied by other concerning signs.

3. A nurse is reviewing the medical record of a client who has chronic kidney disease. The client's potassium level is 6.5 mEq/L. Which of the following actions should the nurse take?

A. Administer sodium bicarbonate
B. Administer sodium polystyrene sulfonate
C. Administer calcium gluconate
D. Administer calcium carbonate

Correct answer: B

Rationale: The correct answer is B: Administer sodium polystyrene sulfonate. Sodium polystyrene sulfonate is used to treat hyperkalemia by promoting the excretion of potassium. Choice A, administering sodium bicarbonate, is incorrect as it is not used to treat hyperkalemia. Choice C, administering calcium gluconate, is incorrect as it is used to treat hypocalcemia, not hyperkalemia. Choice D, administering calcium carbonate, is incorrect as it is used to treat conditions like osteoporosis and indigestion, not hyperkalemia.

4. What is the initial nursing action for a patient presenting with chest pain?

A. Administer aspirin
B. Reposition the patient
C. Provide pain relief
D. Prepare for surgery

Correct answer: A

Rationale: The correct initial nursing action for a patient presenting with chest pain is to administer aspirin. Aspirin helps reduce the risk of further clot formation in patients experiencing chest pain, as it has antiplatelet effects. Repositioning the patient, providing pain relief, or preparing for surgery are not the first-line interventions for chest pain. Repositioning the patient may be necessary to ensure comfort and safety, pain relief can be provided after further assessment and diagnostic tests, and preparing for surgery would only be considered after a thorough evaluation and confirmation of the need for surgical intervention.

5. Which medication is used to reverse the effects of opioid overdose?

A. Naloxone
B. Epinephrine
C. Atropine
D. Lidocaine

Correct answer: A

Rationale: Naloxone is the correct answer. Naloxone is specifically used to reverse the effects of opioid overdose by binding to opioid receptors and blocking the effects of opioids. Epinephrine is mainly used to treat severe allergic reactions, Atropine is used for certain types of heart conditions and to reduce salivation or respiratory secretions, and Lidocaine is a local anesthetic used for numbing purposes. Therefore, choices B, C, and D are incorrect in the context of reversing opioid overdose.