A nurse is caring for a client who is receiving IV fluids to correct dehydration. Which of the following laboratory values should indicate to the nurse that the client is effectively responding to treatment?
Sodium 165 mEq/L
Potassium 5.2 mEq/L
Urine specific gravity 1.020
Hct 62%
The Correct Answer is C
Choice A: Sodium 165 mEq/L is incorrect. This value indicates hypernatremia, which is a high level of sodium in the blood. Hypernatremia can be caused by dehydration, but it does not indicate that the client is responding to treatment. A normal sodium level is between 135 and 145 mEq/L.
Choice B: Potassium 5.2 mEq/L is incorrect. This value indicates hyperkalemia, which is a high level of potassium in the blood. Hyperkalemia can be caused by dehydration, but it does not indicate that the client is responding to treatment. A normal potassium level is between 3.5 and 5.0 mEq/L.
Choice C: Urine specific gravity 1.020 is correct. This value indicates that the urine is concentrated, but within the normal range. Urine specific gravity measures the amount of solutes in the urine compared to water. A high urine specific gravity indicates dehydration, while a low urine specific gravity indicates overhydration. A normal urine specific gravity is between 1.005 and 1.030.
Choice D: Hct 62% is incorrect. This value indicates polycythemia, which is a high level of red blood cells in the blood. Polycythemia can be caused by dehydration, but it does not indicate that the client is responding to treatment. A normal hematocrit (Hct) level is between 37% and 52% for men and between 32% and 47% for women.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","D","E"]
Explanation
Choice A: Limit intake of canned soups is correct because canned soups are high in sodium and can increase blood
pressure and fluid retention. The nurse should advise the client to choose low-sodium or homemade soups instead.
Choice B: Choose botled salad dressings is incorrect because botled salad dressings are also high in sodium and can have added sugars and fats. The nurse should advise the client to make their own salad dressings with vinegar, oil, herbs, and spices.
Choice C: Choose diet sodas over botled water is incorrect because diet sodas are not a healthy alternative to water. Diet sodas contain artificial sweeteners, caffeine, and phosphoric acid, which can affect the body's pH balance and calcium absorption. The nurse should advise the client to drink plain water or flavored water with natural ingredients.
Choice D: Replace processed meats with fresh meat products is correct because processed meats such as bacon, ham, sausage, and hot dogs are high in sodium and preservatives. The nurse should advise the client to choose fresh meat products such as chicken, turkey, fish, or lean beef.
Choice E: Read labels on foods before eating is correct because reading labels can help the client identify the sodium content and other ingredients in foods. The nurse should advise the client to look for foods that have less than 140 mg of sodium per serving and avoid foods that have salt, sodium, or monosodium glutamate (MSG) in the ingredient list.
Correct Answer is ["A","C","D"]
Explanation
Choice A: Contraction of the facial muscle is correct because it indicates a positive Chvostek's sign, which is a sign of hypocalcemia, or low calcium level in the blood. Chvostek's sign is elicited by tapping the facial nerve in front of the ear and observing for twitching of the facial muscles on the same side.
Choice B: Asked when the foot numbness would go away is incorrect because it is not a specific sign of hypocalcemia, although it can indicate peripheral neuropathy, which can be caused by various conditions such as diabetes, vitamin B12 deficiency, or alcohol abuse.
Choice C: Carpal spasm with blood pressure measurement is correct because it indicates a positive Trousseau's sign, which is another sign of hypocalcemia. Trousseau's sign is elicited by inflating a blood pressure cuff on the upper arm and observing for flexion of the wrist and fingers.
Choice D: Complaints of fingers tingling is correct because it indicates paresthesia, which is a sensation of numbness, tingling, or prickling in the extremities. Paresthesia can be caused by hypocalcemia, as low calcium level can affect the nerve conduction and excitability.
Choice E: Heart rate 88 and regular is incorrect because it is within the normal range of heart rate, which is 60 to 100 beats per minute. Heart rate can be affected by hypocalcemia, but usually in the opposite direction, causing bradycardia, or slow heart rate, or cardiac arrhythmias, or irregular heartbeats.

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