Which of the following complications can occur if a clotted cannula is flushed too aggressively?

The patient can experience speed shock

A clot can be forced into the circulation causing serious complications.

A painful arterial spasm can occur

The catheter can become dislodged and fall out.

Answer and Explanation

The Correct Answer is B

A. The patient can experience speed shock: Speed shock is a rapid infusion of a substance (like a medication or fluid) into the bloodstream, usually occurring when the infusion rate is too fast. This is not typically caused by flushing a clotted cannula.

B. A clot can be forced into the circulation causing serious complications: Flushing a clotted cannula too aggressively can dislodge a clot, causing it to travel into the bloodstream. This can lead to serious complications like embolism or stroke, especially if the clot is large or travels to a vital organ.

C. A painful arterial spasm can occur: While arterial spasms can occur, they are more often related to arterial catheterization or manipulation rather than flushing a venous cannula.

D. The catheter can become dislodged and fall out: While this could potentially happen, it is less of a concern compared to the risk of pushing a clot into circulation, which is a more immediate danger.

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Correct Answer is C

Explanation

A. Hypertension: Low calcium levels are not typically associated with hypertension. In fact, hypocalcemia can lead to a variety of neurological symptoms such as muscle spasms and tetany.

B. Increased thirst: Increased thirst is not a direct symptom of hypocalcemia. It may be seen in diabetes or dehydration but not typically in hypocalcemia.

C. Muscle tetany: Hypocalcemia is a common result of thyroidectomy, especially if the parathyroid glands were affected during surgery. This condition can lead to muscle tetany, which involves involuntary muscle contractions or spasms.

D. Diaphoresis: Diaphoresis is not commonly associated with hypocalcemia. Sweating is more related to stress, pain, or fever.

A. Sodium polystyrene sulfonate (Kayexolate) B. Lactulose C. Acetylcysteine D. Potassium iodide

Correct Answer is A

Explanation

A. Sodium polystyrene sulfonate (Kayexalate): This medication is used to treat hyperkalemia (high potassium levels) by exchanging sodium ions for potassium ions in the intestines, which helps lower potassium levels. The client’s potassium level is dangerously high at 6.2 mEq/L, so this is the most appropriate treatment.

B. Lactulose: Lactulose is used to treat hyperammonemia in liver failure or constipation. It has no role in managing elevated potassium levels.

C. Acetylcysteine: Acetylcysteine is used to treat acetaminophen overdose or as a mucolytic. It is not indicated for hyperkalemia.

D. Potassium iodide: Potassium iodide is used to protect the thyroid from radiation exposure or to treat certain types of thyroid conditions, not for hyperkalemia.

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Which of the following complications can occur if a clotted cannula is flushed too aggressively?

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Naxlex Comprehensive Predictor Exams

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Correct Answer is C

Explanation

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Correct Answer is A

Explanation

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