Which time would be ideal for the LPN/LVN to collect a sputum specimen?
At bedtime
In the morning
After meals
After start of antibiotics
The Correct Answer is B
B. Morning is considered the ideal time for collecting a sputum specimen. Overnight, mucus accumulates in the respiratory tract because the patient is less active and not clearing their throat or coughing as much. This means that the mucus is more concentrated and has had time to build up, providing a more substantial and representative sample of what is in the lungs.
A. Collecting a sputum specimen at bedtime is generally not ideal. By the end of the day, the patient’s respiratory tract might have cleared some of the accumulated mucus naturally through coughing or other activities.
C. Collecting a sputum specimen after meals is not recommended. Eating can introduce food particles and bacteria from the mouth into the sputum, contaminating the sample.
D. Starting antibiotics before collecting a sputum specimen can alter the bacterial flora present in the respiratory tract. This can lead to a false-negative result or an inaccurate representation of the pathogens causing the infection.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
C. Good control of blood glucose levels and blood pressure is essential in reducing the risk of diabetic retinopathy and its progression. Research has shown that maintaining tight glycemic control and managing hypertension can significantly decrease the likelihood and severity of retinopathy in patients with diabetes.
A. Laser surgery is a treatment option for certain complications of diabetic retinopathy, such as retinal hemorrhage or retinal detachment. However, it's essential to emphasize that prevention through good glycemic control and regular eye exams is key to reducing the risk of these complications, rather than relying solely on surgical interventions after they occur.
B. Cataracts are more common in individuals with diabetes and can be surgically corrected but this statement does not directly address the concern about retinopathy. Cataracts and retinopathy are separate ocular complications of diabetes, each requiring different management strategies.
D. Diabetes remains one of the leading causes of blindness in the United States, primarily due to its association with diabetic retinopathy. While advancements in diabetes management and eye care have helped reduce the incidence of blindness, it is still a significant concern for individuals with diabetes.
Correct Answer is B
Explanation
B. Nonsteroidal anti-inflammatory drugs (NSAIDs), including ibuprofen, are known to increase the risk of peptic ulcer formation by disrupting the protective mucosal barrier of the stomach and duodenum.
Long-term or frequent use of NSAIDs can lead to mucosal damage and ulceration.
A. Consuming spicy foods frequently may irritate the lining of the stomach and increase the risk of developing peptic ulcers. However, the number of consumed meals is not specific to the risl of peptic ulcer formation.
C. Green tea consumption is generally not considered a significant risk factor for peptic ulcers. In fact, some studies suggest that compounds found in green tea may have protective effects against the development of peptic ulcers and may help reduce the risk of H. pylori infection, a common cause of ulcers.
D. Bulimia, an eating disorder characterized by binge eating followed by purging behaviors such as vomiting, is a risk factor for peptic ulcers. The repeated exposure of stomach acid to the esophagus and stomach lining due to vomiting can lead to inflammation and ulceration of the gastrointestinal tract.
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