A nurse is instructing a newly licensed nurse on how to obtain a fecal occult blood test from a patient.
What information should the nurse include?
Apply four drops of developing solution to each stool specimen.
Use toilet paper to transfer the stool specimen.
Wait 30 seconds after applying the developing solution to obtain the results.
Collect two stool specimens from the same area of the stool.
Correct Answer : C
The correct answer is Choice C.
Choice A rationale: Applying four drops of developing solution to each stool specimen is incorrect. Typically, the test requires two drops of solution. Following manufacturer instructions ensures accurate results and prevents unnecessary waste or inaccurate readings.
Choice B rationale: Using toilet paper to transfer the stool specimen is improper. Stool should be collected using the provided applicator stick to avoid contamination, ensuring the accuracy of the fecal occult blood test.
Choice C rationale: Waiting 30 seconds after applying the developing solution allows the chemical reaction to complete, ensuring accurate detection of any occult blood present in the stool sample.
Choice D rationale: Collecting two stool specimens from the same area increases the risk of missing occult blood present in different parts of the stool. Sampling from multiple areas enhances test accuracy and ensures comprehensive results.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale:
Metabolic alkalosis is an acid-base imbalance characterized by excessive loss of acid or excessive gain of bicarbonate produced by an underlying pathologic disorder. It causes metabolic, respiratory, and renal responses, producing characteristic symptoms. One of the manifestations of metabolic alkalosis is cardiovascular abnormalities, such as atrial tachycardia. Therefore, placing the patient on continuous cardiac monitoring is a necessary action to assess the patient’s heart rate and rhythm and detect any abnormalities early.
Choice B rationale:
Insulin is not typically used in the treatment of metabolic alkalosis. Insulin is a hormone that regulates blood sugar levels. It’s not directly related to the body’s acid-base balance. Therefore, obtaining a prescription for insulin for the patient would not be a relevant action in this case.
Choice C rationale:
Administering sodium bicarbonate to a patient with metabolic alkalosis would not be appropriate. Sodium bicarbonate is a base and is often used to treat metabolic acidosis, a condition characterized by an excess of acid in the body. Giving sodium bicarbonate to a patient with metabolic alkalosis, a condition characterized by an excess of base in the body, could potentially worsen the patient’s condition.
Choice D rationale:
Having the patient breathe into a paper bag is a common treatment for respiratory alkalosis, not metabolic alkalosis.
Respiratory alkalosis is caused by hyperventilation, which leads to a decrease in carbon dioxide in the blood. Breathing into a paper bag helps to increase the amount of carbon dioxide the person inhales, helping to restore the acid-base balance. However, metabolic alkalosis is not caused by hyperventilation, so this treatment
Correct Answer is ["D"]
Explanation
Choice A rationale:
Petroleum-based ointments like Vaseline are not recommended for moisturizing lips, especially for patients on oxygen therapy. This is because petroleum jelly is not effective at restoring moisture once it’s been lost. Moreover, it can feel heavy and slippery on the lips, and it’s not very eco-friendly.
Choice B rationale:
Oxygen tanks should be kept at a safe distance from heat sources, including electric stoves. However, the recommended distance is not 4 feet but rather at least 5-10 feet away. This is to minimize the risk of fire or combustion.
Choice C rationale:
Wool blankets are not recommended when using oxygen. Wool can cause a spark which can be dangerous around oxygen. It’s important to avoid anything that may cause a spark around home oxygen, including electric heaters, electric blankets, electric razors, hair dryers, or friction toys.
Choice D rationale:
Oxygen tanks should always be stored upright. This prevents any strain on the valves or other components and reduces the risk of damage and potential gas leaks.
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