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The physician orders a Lidocaine drip to infuse at 2 mg/min. The drug is available as 2 gm in 500 ml of fluid. Solve for ml/hr.

Answer and Explanation

The Correct Answer is ["3"]

Lidocaine infusion calculation:

Lidocaine dose ordered: 2 mg/min
Lidocaine concentration: 2 gm in 500 mL
Conversion factor: 1 mg = 1000 mcg

Calculations:

Convert Lidocaine dose to mcg/min: 2 mg/min × 1000 mcg/mg = 2000 mcg/min
Lidocaine concentration is 2 gm in 500 mL, which equals 4000 mcg/mL.
Calculate mL/hr:
- mL/hr = (2000 mcg/min × 60 min/hr) / 4000 mcg/mL = 3 mL/hr

Answer:

mL/hr: 3 mL/hr

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Correct Answer is B

Explanation

A. "DIC is characterized by an elevated platelet count." Incorrect; DIC typically causes thrombocytopenia.

B. "DIC is caused by abnormal coagulation involving fibrinogen." DIC involves widespread activation of coagulation factors leading to the formation of microthrombi and consumption of clotting factors like fibrinogen. Understanding the pathophysiology helps in managing DIC effectively.

C. "DIC is controllable with lifelong heparin usage." Heparin is not used in DIC management due to the risk of bleeding.

D. "DIC is a genetic disorder involving a vitamin K deficiency." DIC is not genetic and is not caused by vitamin K deficiency.

A. Myxedema coma B. Goiters C. Sjogren's syndrome D. Hashimoto's disease

Correct Answer is A

Explanation

A. Myxedema coma. Myxedema coma is a severe, life-threatening complication of untreated or undertreated hypothyroidism. It manifests with severe hypothyroid symptoms such as hypothermia, altered mental status, and can lead to coma and death if untreated.

B. Goiters: Enlarged thyroid gland due to various causes but not typically life-threatening.

C. Sjogren's syndrome: An autoimmune disorder affecting moisture-producing glands, not directly related to hypothyroidism.

D. Hashimoto's disease: An autoimmune disorder causing hypothyroidism but not directly associated with life-threatening complications like myxedema coma.

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The physician orders a Lidocaine drip to infuse at 2 mg/min. The drug is available as 2 gm in 500 ml of fluid. Solve for ml/hr.

Nursing Test Bank

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