A nurse is assessing a client with profuse vomiting and diarrhea. Which finding is a manifestation of hypokalemia?

Hyperactive bowel sounds

muscle weakness

Increased thirst

Cerebral edema

Answer and Explanation

The Correct Answer is B

A) Hyperactive bowel sounds:

Hyperactive bowel sounds are more commonly associated with conditions like diarrhea or gastrointestinal obstruction. Hypokalemia, or low potassium levels, typically affects muscle function rather than bowel activity directly.

B) Muscle weakness:

Muscle weakness is a key manifestation of hypokalemia. Potassium is crucial for muscle function, and a deficiency can lead to significant weakness and fatigue, which is a common symptom in individuals with low potassium levels.

C) Increased thirst:

Increased thirst is more commonly associated with dehydration or hypernatremia rather than hypokalemia. While hypokalemia can cause fluid imbalances, increased thirst is not a primary symptom of low potassium levels.

D) Cerebral edema:

Cerebral edema is not typically associated with hypokalemia. It is more commonly related to conditions such as head injury, infection, or other fluid and electrolyte imbalances. Hypokalemia primarily affects muscle function and heart rhythm.

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Correct Answer is D

Explanation

A) Constipation: Elevated potassium levels (hyperkalemia) typically affect neuromuscular and cardiac function rather than gastrointestinal motility. Constipation is more commonly associated with conditions like hypokalemia or electrolyte imbalances affecting the gastrointestinal system.

B) Polyuria: Polyuria, or excessive urination, is not directly caused by hyperkalemia. It can occur due to conditions like diabetes mellitus or diabetes insipidus, or as a side effect of certain medications like diuretics. Hyperkalemia does not typically lead to increased urine output and may even lead to oliguria if severe renal impairment occurs.

C) EKG with a U wave: The presence of a U wave on an electrocardiogram (EKG) is typically associated with hypokalemia, not hyperkalemia. U waves are seen when potassium levels are low, reflecting delayed repolarization of the ventricles. In hyperkalemia, EKG changes more commonly include peaked T waves, prolonged PR interval, and widened QRS complexes.

D) Paresthesias of the extremities: Hyperkalemia can cause paresthesias, which are sensations of tingling or numbness, particularly in the extremities. This occurs due to the effect of elevated potassium levels on nerve and muscle function. As potassium is essential for maintaining normal neuromuscular function, deviations from normal levels can disrupt action potentials and lead to sensory disturbances like paresthesias.

A. "Your daily intake of fats should be limited to no more than 35% of your daily caloric intake B. "You should avoid trans-fat as much as possible" C. "Your main sources of protein should be red meat" D. "Fats provide the highest amount of energy per gram" E. "Your intake of fats should be unsaturated fats"

Correct Answer is B

Explanation

A) "Your daily intake of fats should be limited to no more than 35% of your daily caloric intake":

Current dietary guidelines typically recommend limiting fat intake to less than 30% of total daily calories, not 35%, for optimal heart health. This recommendation is slightly higher than what is generally advised for managing high cholesterol.

B) "You should avoid trans-fat as much as possible":

Trans fats significantly increase LDL cholesterol (bad cholesterol) levels and decrease HDL cholesterol (good cholesterol). Avoiding trans fats is crucial in managing high cholesterol and reducing cardiovascular risk, making this the most important recommendation.

C) "Your main sources of protein should be red meat":

Red meat, particularly processed red meat, is associated with higher cholesterol levels and cardiovascular risk. It is generally recommended to choose lean proteins, such as fish, poultry, and plant-based sources, over red meat.

D) "Fats provide the highest amount of energy per gram":

While fats do provide more energy per gram than carbohydrates or proteins, this statement does not directly address the management of cholesterol levels. The focus should be on the type of fats consumed rather than their energy content.

E) "Your intake of fats should be unsaturated fats":

While consuming unsaturated fats is beneficial, avoiding trans fats specifically addresses a more immediate concern for those with high cholesterol. Option B emphasizes the importance of eliminating harmful fats.

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A nurse is assessing a client with profuse vomiting and diarrhea. Which finding is a manifestation of hypokalemia?

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Naxlex Comprehensive Predictor Exams

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Explanation

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Explanation

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