A nurse is preparing to administer 250 mg of an antibiotic 1M. Available is 3 g/5 mL. How many mL should the nurse administer per dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["0.4"]
Volume (mL) = Desired dose (mg)/Available concentration in each ml* mLs 250mg/3000mg*5
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Rationale-Blood is considered an isotonic solution because its solute concentration is similar to that of the cells in the body, allowing for free movement of water across cell membranes without causing a net influx or efflux of water. This isotonic nature is crucial for maintaining cell integrity and function.
Isotonic solutions have the same osmotic pressure as body’s plasma
B-Hypertonic solution like 3% saline have higher osmotic pressure compared to plasma. This type of solutions draw water from the cells causing shrinkage
D-Hypotonic solution like 0.45% saline have lower osmotic pressure as compared to plasma. They cause swelling of cells with eventual damage
Correct Answer is B
Explanation
Oliguria: This refers to reduced urine production, which is a common symptom of hypovolemia due to decreased blood flow to the kidneys.
A-Hypotension: Although not listed in the options provided, hypovolemia typically leads to low blood pressure, not hypertension.
- Tachycardia: Again, not listed, but an increased heart rate is a more likely finding in hypovolemia rather than bradycardia, as the body attempts to maintain adequate blood flow.
- Absence of Peripheral Edema: Peripheral edema is usually associated with conditions of fluid overload, such as heart failure, rather than hypovolemia.
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