A nurse is planning to collect a stool specimen from an infant to check for the presence of ova and parasites. Which of the following actions should the nurse plan to take?
Obtain the specimen by swabbing the infant's rectum using a sterile culture swab.
Place a urine collection device on the infant until the specimen is obtained.
Transfer the specimen to the collection container using povidone-iodine-soaked gauze.
Maintain the specimen at room temperature after collection until it is transferred to the lab.
The Correct Answer is A
Choice A rationale:
Obtain the specimen by swabbing the infant's rectum using a sterile culture swab. This is the correct choice. When collecting a stool specimen from an infant, the rectal swab method is commonly used. A sterile culture swab helps prevent contamination and ensures accurate results for detecting the presence of ova and parasites in the stool.
Choice B rationale:
Place a urine collection device on the infant until the specimen is obtained. This choice is not appropriate for collecting a stool specimen. A urine collection device is used for collecting urine, not stool. The specimen for ova and parasites needs to be taken directly from the rectum or diaper to accurately identify any infestations.
Choice C rationale:
Transfer the specimen to the collection container using povidone-iodine-soaked gauze. While povidone-iodine is an antiseptic, it is not typically used to transfer stool specimens. Using a sterile swab or a clean, dry container is more suitable for collecting and transporting stool samples to the lab.
Choice D rationale:
Maintain the specimen at room temperature after collection until it is transferred to the lab. Stool specimens for ova and parasites usually require refrigeration to prevent the degradation and growth of potential pathogens. Room temperature might lead to the overgrowth of bacteria and parasites, affecting the accuracy of test results.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale:
Extremities warm to the touch. This manifestation is not indicative of decreased cardiac output. Warm extremities suggest adequate peripheral perfusion and circulation. In a child with decreased cardiac output, the body might attempt to shunt blood away from the extremities to prioritize vital organs, leading to cooler extremities.
Choice B rationale:
Capillary refill 2 seconds. A capillary refill time of 2 seconds is within the normal range for a preschool-aged child. This quick capillary refill suggests adequate circulation and is not a sign of decreased cardiac output. Prolonged capillary refill time might be indicative of poor peripheral perfusion.
Choice C rationale:
Blood pressure 112/66 mm Hg. While a blood pressure of 112/66 mm Hg might be within the normal range for a preschooler, it is not the most reliable indicator of decreased cardiac output. Blood pressure can be influenced by various factors, and a seemingly normal blood pressure does not rule out decreased cardiac output if other manifestations are present.
Choice D rationale:
Diminished pulses. This is the correct choice. Diminished or weak pulses are indicative of decreased cardiac output. Inadequate blood volume being pumped by the heart can lead to reduced peripheral perfusion, resulting in diminished pulses. This sign is important in assessing the child's cardiovascular status postoperatively, especially after a corrective procedure for tetralogy of Fallot.
Correct Answer is D
Explanation
Answer: d. Apply suction in 3 to 4-second increments.
Rationale:
- a. Instill 2 mL of 0.9% sodium chloride prior to suctioning:While saline instillations may be used in some cases,it is not universally recommended for infants with tracheostomies and depends on the specific situation and healthcare provider's protocol.The priority in this case is to quickly clear the partial mucus occlusion to prevent respiratory distress.
- b. Select a catheter that fits snugly into the tracheostomy tube:This isincorrect.Selecting a catheter that fits tightly can damage the delicate tracheal mucosa and increase the risk of bleeding.A smaller-diameter catheter that allows for gentle passage is preferred.
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Tracheostomy tube and different catheter sizes
- c. Use a clean technique when performing suctioning:This is absolutely essential for all suctioning procedures to minimize the risk of infection.However,it is not the specific action that addresses the immediate concern of clearing the partial mucus occlusion.
- d. Apply suction in 3 to 4-second increments:This is thecorrectapproach for suctioning an infant with a tracheostomy.Applying short,intermittent suction bursts minimizes the risk of hypoxia and tissue trauma while effectively removing secretions.
Therefore, the most important action for the nurse to take is to apply suction in short, 3-4 second bursts to effectively clear the mucus occlusion while minimizing risks to the infant.
Additional Points:
- The nurse should use sterile suction equipment and sterile technique throughout the procedure.
- The suction pressure should be set at the lowest effective level,typically 80-120 mmHg.
- The nurse should monitor the infant for signs of respiratory distress,such as increased work of breathing,retractions,and oxygen desaturation,before,during,and after suctioning.
- If the mucus occlusion is not cleared after several attempts,the nurse should seek assistance from ahealthcareprovider.
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