The nurse observes that a client with sickle cell anemia and on a blood transfusion regimen has cardiac dysrhythmias due to iron overdose toxicity. Which medication is most beneficial to this client?
Trientine
Dimercaprol
Ferrous gluconate
Defaroxamine
The Correct Answer is D
A. Trientine: Trientine is a medication used to treat copper overload in conditions like Wilson's disease. It is not indicated for iron overdose or toxicity.
B. Dimercaprol: Dimercaprol, also known as BAL (British Anti-Lewisite), is a chelating agent used to treat heavy metal poisoning but is not primarily used for iron overload or toxicity.
C. Ferrous gluconate: Ferrous gluconate is an iron supplement used to treat iron-deficiency anemia by providing additional iron to the body. It is not appropriate for treating iron overdose, as it would worsen the situation.
D. Deferoxamine.
Iron overdose, also known as iron toxicity, can lead to serious complications, including cardiac dysrhythmias. Deferoxamine is a chelating agent used to remove excess iron from the body in cases of iron overload or toxicity, such as in patients with conditions like sickle cell anemia who require frequent blood transfusions. It binds to excess iron and helps excrete it from the body, reducing the risk of iron-related complications, including cardiac issues.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Applying a warm soak to the knee: Heat application is generally not recommended during a vaso-occlusive crisis because it can worsen inflammation and pain.
B. Administering Acetaminophen.
Vaso-occlusive crises are a common complication of sickle cell disease, and they can lead to severe pain. Acetaminophen (Tylenol) is an appropriate choice for pain management in this situation. It is a non-steroidal anti-inflammatory drug (NSAID) that can help alleviate pain.Pain control is the priority in these situations.
C.Compression wraps can potentially exacerbate ischemia and increase the risk of complications.
D.Adequate hydration is essential during a crisis to prevent further sickling of red blood cells. Reducing fluids could exacerbate the condition
Correct Answer is D
Explanation
A. Diabetes Insipidus is associated with reduced ADH levels, leading to excessive urination and dehydration, not hyponatremia.
B. Acromegaly results from excessive growth hormone (not ADH) secretion, causing abnormal growth of tissues and bones.
C. Addison's disease involves the adrenal glands and the insufficient production of cortisol and aldosterone, not ADH-related hyponatremia.
D. Syndrome of Inappropriate Antidiuretic Hormone (SIADH).
SIADH is a disorder characterized by the excessive release of antidiuretic hormone (ADH) from the posterior pituitary gland, leading to increased water reabsorption by the kidneys. This results in diluted blood and hyponatremia (low sodium levels) due to the retention of water. Patients with SIADH often experience fluid overload and related symptoms.
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