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Which of the following best describes a clinical manifestation of polycythemia vera?

peripheral edema

an elevated white blood cell count

orthopnea

an elevated hemoglobin

Answer and Explanation

The Correct Answer is D

A. Peripheral edema is more common in heart failure, not polycythemia vera.

B. WBCs may be elevated, but RBC overproduction is the defining feature.

C. Orthopnea is associated with heart failure, not polycythemia vera.

D. Elevated hemoglobin is a hallmark of polycythemia vera due to excessive RBC production.

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Correct Answer is A

Explanation

A. Applying a sequential compression device. – Correct Answer. SCDs help prevent venous stasis, reducing the risk of DVT in immobile patients.

B. Administering an antifibrinolytic agent. – Incorrect. Antifibrinolytics promote clot formation and are used for bleeding disorders, not DVT prevention.

C. Placing the patient on a fluid restriction. – Incorrect. Adequate hydration is important to prevent blood viscosity and clot formation.

D. Assisting the patient with passive ROM exercises. – Incorrect. Passive ROM helps circulation, but SCDs provide more effective DVT prevention.

A. Give the insulin after the patient has completed 3/4 of their breakfast B. Give the insulin 30 min after breakfast with the patient's other routine medicines. C. Give the insulin at 0730. D. Give the insulin at 0700.

Correct Answer is C

Explanation

A. Incorrect. Regular insulin should be given before a meal to allow time for onset; giving it after eating delays its effect, increasing hyperglycemia risk.

B. Incorrect. Administering regular insulin after breakfast is inappropriate as it may not align with meal-related glucose spikes.

C. Correct. Regular insulin has an onset of 30 minutes. Administering it at 0730 ensures optimal timing for glucose control when breakfast is eaten at 0800.

D. Incorrect. Giving insulin too early (at 0700) increases the risk of hypoglycemia before food intake.

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Which of the following best describes a clinical manifestation of polycythemia vera?

Nursing Test Bank

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