A nurse is preparing to administer metoprolol 5 mg IV bolus to a client for heart rate control. Available is metoprolol injection 1 mg/mL. How many mL should the nurse administerperdose?

Answer and Explanation

The Correct Answer is ["5"]

To calculate how many milliliters (mL) of metoprolol 1 mg/mL solution should be administered to deliver a 5 mg IV bolus dose, you can use the following formula:

Dose (mL) = Desired dose (mg) / Concentration (mg/mL)

In this case:

Desired dose = 5 mg

Concentration = 1 mg/mL

Dose (mL) = 5 mg / 1 mg/mL = 5 mL

Therefore, the nurse should administer 5 mL of metoprolol 1 mg/mL solution per dose to deliver a 5 mg IV bolus for heart rate control.

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Correct Answer is B

Explanation

A. The blood was infused too quickly and overwhelmed the client's circulatory system:

While infusing blood too quickly can lead to circulatory overload and related complications like heart failure or pulmonary edema, it is not the cause of an acute hemolytic transfusion reaction. Acute hemolytic reactions occur due to immune responses against incompatible donor blood.

B. The donor blood was incompatible with that of the client:

This is the correct answer. An acute hemolytic transfusion reaction happens when there is an incompatibility between the donor's blood and the recipient's blood. This can occur due to mismatched ABO blood types or Rh factor, leading to the recipient's immune system attacking and destroying the transfused red blood cells.

C. The client had a sensitivity reaction to a plasma protein in the blood:

Sensitivity reactions to plasma proteins can occur, but they typically result in different types of transfusion reactions, such as allergic reactions or febrile non-hemolytic reactions. These reactions are caused by antibodies to specific plasma proteins and are not the cause of acute hemolytic transfusion reactions.

D. Antibodies to donor leukocytes remained in the blood:

This option refers to febrile non-hemolytic transfusion reactions, which occur due to antibodies against donor leukocytes. However, this type of reaction is distinct from acute hemolytic reactions, which are primarily caused by ABO or Rh incompatibility.

A. "If I take my blood pressure and it is normal, I don't have to take my blood pressure pills." B. "When getting up from bed, I will sit for a short period before standing up." C. "I will consult a dietician to help get my weight under control." D. "I think I'm going to sign up for a yoga class twice a week to help reduce my stress."

Correct Answer is A

Explanation

A. "If I take my blood pressure and it is normal, I don't have to take my blood pressure pills": This statement reflects a misunderstanding of hypertension management. Blood pressure medications are typically prescribed to help control blood pressure over the long term, regardless of individual blood pressure readings. Stopping medication without consulting a healthcare provider can be dangerous and is not recommended.

B. "When getting up from bed, I will sit for a short period before standing up": This statement demonstrates an understanding of orthostatic hypotension prevention, which is important for clients with hypertension and can be a side effect of certain medications.

C. "I will consult a dietician to help get my weight under control": This statement indicates the client's awareness of the importance of weight management in hypertension control and is a positive step toward healthy lifestyle changes.

D. "I think I'm going to sign up for a yoga class twice a week to help reduce my stress": This statement shows the client's proactive approach to stress reduction, which is beneficial for hypertension management as stress can contribute to elevated blood pressure.

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A nurse is preparing to administer metoprolol 5 mg IV bolus to a client for heart rate control. Available is metoprolol injection 1 mg/mL. How many mL should the nurse administerperdose?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client is being treated in the ICU after a medical error resulted in an acute hemolytic transfusion reaction. What was the etiology of this client's adverse reaction?

Correct Answer is B

Explanation

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Correct Answer is A

Explanation

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