The nurse determines that this client’s priority problem is:
Fluid volume deficit as a result of fluid loss
Sodium imbalance due to antibiotic therapy
Potassium imbalance due to infection
Fluid volume excess due to fluid administration
The Correct Answer is A
Choice A reason: This statement is true. Fluid volume deficit, or hypovolemia, is a condition where the body loses more fluid than it gains. It can be caused by fluid loss from vomiting, diarrhea, bleeding, or excessive sweating. Fluid volume deficit can lead to dehydration, hypotension, tachycardia, and shock.
Choice B reason: This statement is false. Sodium imbalance, or dysnatremia, is a condition where the blood sodium level is either too high or too low. It can be caused by fluid imbalance, kidney disease, hormonal disorders, or medications. Sodium imbalance can affect the brain function, causing confusion, seizures, or coma.
Choice C reason: This statement is false. Potassium imbalance, or dyskalemia, is a condition where the blood potassium level is either too high or too low. It can be caused by kidney disease, acid-base disorders, medications, or dietary intake. Potassium imbalance can affect the heart function, causing arrhythmias, cardiac arrest, or death.
Choice D reason: This statement is false. Fluid volume excess, or hypervolemia, is a condition where the body gains more fluid than it loses. It can be caused by fluid overload, heart failure, kidney failure, or liver disease. Fluid volume excess can lead to edema, hypertension, dyspnea, and pulmonary congestion.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: This statement is true. Kayexalate is a medication that binds to potassium in the colon and exchanges it for sodium, thereby lowering the blood potassium level. It also has a laxative effect, which helps to eliminate the excess potassium in the stool.
Choice B reason: This statement is false. Kayexalate does not have a diuretic effect, which means it does not increase urine output or fluid loss. Diuretics are medications that act on the kidneys and help to remove excess fluid and sodium from the body.
Choice C reason: This statement is false. Kayexalate does not lower the blood sodium level, but rather increases it. This is because it exchanges potassium for sodium in the colon, which adds more sodium to the bloodstream.
Choice D reason: This statement is false. Kayexalate does not cause diarrhea, but rather a laxative effect, which means it stimulates bowel movements and softens the stool. Diarrhea is a condition where the stool is watery and frequent, and can cause dehydration and electrolyte imbalance.
Correct Answer is D
Explanation
Choice A reason: Urine dipstick for glucose is not a reliable test to evaluate the effectiveness of treatment for type 2 diabetes. Urine glucose testing can only detect glucose in the urine when the blood glucose level is very high, above the renal threshold of 180 mg/dL. Urine glucose testing does not reflect the average blood glucose level over time, and can be affected by factors such as hydration, medication, and urinary tract infections.
Choice B reason: Fasting blood glucose is a test that measures the blood glucose level after an overnight fast of at least 8 hours. Fasting blood glucose is a useful test to diagnose diabetes, but it is not the best test to evaluate the effectiveness of treatment for type 2 diabetes. Fasting blood glucose only reflects the blood glucose level at one point in time, and can vary depending on the time of day, the amount and type of food eaten, and the activity level.
Choice C reason: Oral glucose tolerance is a test that measures the blood glucose level before and after drinking a solution containing 75 g of glucose. Oral glucose tolerance is another test that can diagnose diabetes, but it is not the most convenient or accurate test to evaluate the effectiveness of treatment for type 2 diabetes. Oral glucose tolerance requires the patient to fast for at least 8 hours, drink the glucose solution, and have blood samples taken at 0, 30, 60, 90, and 120 minutes. Oral glucose tolerance can also be influenced by factors such as stress, illness, medication, and menstrual cycle.
Choice D reason: Glycosylated hemoglobin (Hemoglobin A1C) is a test that measures the percentage of hemoglobin that has glucose attached to it. Hemoglobin is a protein in the red blood cells that carries oxygen. Red blood cells have a lifespan of about 120 days, so the hemoglobin A1C test reflects the average blood glucose level over the past 2 to 3 months. Hemoglobin A1C is the best test to evaluate the effectiveness of treatment for type 2 diabetes, as it shows how well the blood glucose level has been controlled over time, and is not affected by factors such as fasting, food intake, or daily fluctuations.
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