Based on the capillary glucose measurement, a client is to receive 10 units of regular insulin. The client's medication drawer contains one vial of a 70/30 mixture of regular Insulin and Isophane insulin How should the nurse prepare the prescribed dose?

Pull up 30 units from the 70/30 vial, but only administer one third.

Withdraw ten units regular insulin from the 70/30 vial.

Withhold the dose until insulin regular is available on the unit.

Obtain a new vial of regular insulin and withdraw ten units.

Answer and Explanation

The Correct Answer is C

A) Pull up 30 units from the 70/30 vial, but only administer one third: The 70/30 insulin vial contains a mixture of 70% isophane (NPH) insulin and 30% regular insulin. If 30 units of this mixture are drawn, the actual amount of regular insulin would be 30% of 30 units, which equals 9 units. This does not equate to the 10 units of regular insulin required, making this option inaccurate for precise dosing.
B) Withdraw ten units regular insulin from the 70/30 vial: The 70/30 vial provides a fixed ratio of regular to NPH insulin. Extracting 10 units from this vial would not yield exactly 10 units of regular insulin; instead, it would include both types in the specified ratio, leading to an incorrect dosage of regular insulin.
C) Withhold the dose until insulin regular is available on the unit: Since the 70/30 vial contains a mixture and not solely regular insulin, it is necessary to withhold the dose until a vial of regular insulin is available. This ensures that the precise amount of regular insulin needed is administered, avoiding the imprecision and potential errors that could arise from using a mixed insulin vial.
D) Obtain a new vial of regular insulin and withdraw ten units: While obtaining a new vial of regular insulin is the correct approach for ensuring accurate dosing, the option of withdrawing ten units directly from a vial of regular insulin is not feasible if the current medication available is a mixture. This option assumes that the correct type of insulin is already available for use.

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Correct Answer is C

Explanation

A. Diabetes mellitus: While diabetes mellitus is an important condition to consider for overall health, it is not directly related to the use of magnesium hydroxide and aluminum hydroxide, as these antacids primarily affect the gastrointestinal system and renal function.
B. Deep vein thrombosis: Deep vein thrombosis is related to blood clot formation and does not have a direct connection to the use of magnesium and aluminum hydroxide, which affect the gastrointestinal system and renal function.
C. Renal disease: Magnesium hydroxide and aluminum hydroxide can affect kidney function and cause complications in individuals with renal disease. Magnesium and aluminum are excreted through the kidneys, and impaired renal function can lead to an accumulation of these substances, causing potential toxicity.
D. Chronic bronchitis: Chronic bronchitis affects the respiratory system and is not directly impacted by the use of magnesium and aluminum hydroxide, which are primarily concerned with gastrointestinal and renal function.

A. Expresses that they cannot get enough air to breathe. B. Respiratory rate of 7 breaths/minute. C. Intercostal retractions and bilateral wheezing on auscultation. D. Pulse oximeter reading of 89% on room air.

Correct Answer is B

Explanation

A. Expresses that they cannot get enough air to breathe: While this is concerning, it is less specific than a respiratory rate finding for opioid overdose.
B. Respiratory rate of 7 breaths/minute: This indicates severe respiratory depression, a critical sign of opioid overdose, which necessitates immediate administration of naloxone.
C. Intercostal retractions and bilateral wheezing on auscultation: These signs suggest respiratory distress but do not directly indicate an opioid overdose.
D. Pulse oximeter reading of 89% on room air: While low, this reading does not specifically indicate opioid overdose unless accompanied by respiratory depression.

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Based on the capillary glucose measurement, a client is to receive 10 units of regular insulin. The client's medication drawer contains one vial of a 70/30 mixture of regular Insulin and Isophane insulin How should the nurse prepare the prescribed dose?

Nursing Test Bank

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