A patient with Addison's disease is likely to have which electrolyte imbalance?

Hypokalemia

Hyperkalemia

Hyponatremia

Hypernatremia

Answer and Explanation

Correct Answer : B,C

(A) Hypokalemia: Addison’s disease does not cause potassium loss.

(B) Hyperkalemia: Addison’s disease involves adrenal insufficiency, leading to low aldosterone levels. Aldosterone normally promotes potassium excretion; without it, potassium accumulates in the blood.

(C) Hyponatremia: Lack of aldosterone also prevents sodium retention, leading to excess sodium loss in urine and low sodium levels.

(D) Hypernatremia: Sodium levels are low due to excessive sodium excretion.

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Correct Answer is C

Explanation

(A) Prevent constipation: Calcium channel blockers can cause constipation, but metoprolol does not prevent it.

(B) Minimize gingival hyperplasia: Gingival hyperplasia is a side effect of calcium channel blockers, but metoprolol does not counteract it.

(C) Prevent recurrent chest pain: Nifedipine can cause reflex tachycardia, which increases myocardial oxygen demand. Metoprolol (a beta-blocker) prevents this by slowing the heart rate and reducing myocardial workload, thereby preventing angina.

(D) Reduce flushing: Flushing is a side effect of nifedipine, but metoprolol is not used for this purpose.

A. Sickle Cell Anemia B. Huntington's disease C. Marfan Syndrome D. ABO blood type inheritance

Correct Answer is D

Explanation

(A) Sickle Cell Anemia: Follows incomplete dominance, where the heterozygous trait has a milder phenotype.

(B) Huntington’s Disease: Follows autosomal dominant inheritance, not co-dominance.

(C) Marfan Syndrome: Is an autosomal dominant disorder, not co-dominance.

(D) ABO Blood Type Inheritance: Co-dominance means both alleles are fully expressed. In ABO blood types, a person with AB blood has both A and B antigens expressed equally.

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A patient with Addison's disease is likely to have which electrolyte imbalance?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

An Angina Pectoris patient begins taking nifedipine [Procardia] a calcium channel blocker, along with metoprolol, to treat hypertension. The nurse understands that metoprolol is used to:

Correct Answer is C

Explanation

What is an example of co-dominance?

Correct Answer is D

Explanation

What pattern of inheritance applies to Cystic Fibrosis?

The nurse administers furosemide IV to a patient with acute pulmonary edema. Which action is most important during administration?

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