A nurse is preparing to administer 4,000 units of heparin subcutaneously to a client who has deep-vein thrombosis.

Available is heparin 10,000 units/mL.

How many mL of heparin should the nurse administer? (Round the answer to the nearest) tenth.

Use a leading zero if it applies.

Do not use a trailing zero.) mL.

Answer and Explanation

The Correct Answer is ["0.4"]

To calculate the amount of heparin to administer, use the formula:

mL of heparin=units available units ordered×1mL available

Substituting the values given in the question, we get:

mL of heparin=100004000×11=0.4

Therefore, the nurse should administer 0.4 mL of heparin.

Normal ranges for heparin therapy vary depending on the condition being treated and the laboratory method used to measure APTT.

A general range is 60 to 80 seconds or 1.5 to 2.5 times the control value.

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Correct Answer is A

Explanation

The correct answer is choice A. Increased pulse rate.

An aPTT of 90 seconds is much higher than the normal range of 30-40 seconds, which means the blood takes longer to clot and the client is at risk of bleeding. An increased pulse rate is a sign of blood loss and shock.

Choice B is wrong because increased blood pressure is not a sign of bleeding, but rather a sign of hypertension or stress.

Choice C is wrong because decreased temperature is not a sign of bleeding, but rather a sign of hypothermia or infection.

Choice D is wrong because decreased respiratory rate is not a sign of bleeding, but rather a sign of respiratory depression or sedation.

A. Morphine 6 mg IV push every 3 hr PRN acute pain. B. MS6 mg IV push every 3 hr PRN acute pain. C. MSO4 6 mg IV push every 3 hr PRN acute pain. D. Morphine 6.0 mg IV push every 3 hr PRN acute pain.

Correct Answer is A

Explanation

This is because it uses the full name of the drug, the exact dose, the route of administration, the frequency, and the indication for use. It also avoids any abbreviations that could be confused with other drugs or measurements.

Choice B is wrong because MS is an abbreviation for morphine sulfate which could be mistaken for magnesium sulfate.

Choice C is wrong because MSO4 is an abbreviation for morphine sulfate that could be mistaken for magnesium sulfate.

Choice D is wrong because 6.0 mg could be misread as 60 mg and lead to a tenfold overdose.

Normal ranges for morphine dosage depend on the route of administration, the indication, and the patient’s tolerance and response.

For acute pain, the usual oral dose is 10 to 30 mg every 4 hours as needed. For chronic pain, the usual oral dose is 15 to 30 mg every 8 to 12 hours as needed.

For intravenous (IV) administration, the usual dose is 2.5 to 15 mg every 4 hours as needed.

The morphine equivalent daily dose (MEDD) is a concept that attempts to establish an equivalency in terms of dose when comparing any opioid to morphine.

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Naxlex Comprehensive Predictor Exams

A nurse is assessing a client who is receiving heparin via continuous IV. The client has an aPTT of 90 seconds. The nurse should monitor the client for which of the following changes in their vital signs?

Correct Answer is A

Explanation

A nurse is receiving a medication prescription by telephone from a provider. The provider states, “Administer 6 milligrams of morphine IV push every 3 hours as needed for acute pain.” How should the nurse transcribe the prescription in the client’s medical record?

Correct Answer is A

Explanation

A nurse is administering 4 mg of hydromorphone to a client by mouth every 4 hr. The medication is provided as hydromorphone 8 mg per tablet. Which of the following actions is appropriate for the nurse to take?

A nurse is caring for a client who is in shock and is receiving an infusion of albumin. Which of the following findings should the nurse expect?

A nurse is providing teaching to a client who has a new prescription for paroxetine. The nurse should instruct the client to monitor for which of the following adverse effects?

A nurse is planning to administer medications to an older adult client who has dysphagia. Which of the following actions should the nurse plan to take?

A nurse is caring for a client who is taking tamoxifen to treat breast cancer. The nurse should identify which of the following manifestations as an adverse effect of this medication?

A nurse is caring for a client who has heart failure. The nurse administered furosemide 60 mg IV bolus 30 min earlier. For which of the following findings should the nurse notify the provider?

A nurse is assessing a client after administering phenytoin IV bolus for a seizure. Which of the following findings should the nurse identify as an adverse effect of this medication?

A nurse is caring for a client who develops an anaphylactic reaction to IV antibiotic administration. After assessing the client’s respiratory status and stopping the medication infusion, which of the following actions should the nurse take next?