When irrigating an open wound with normal saline, it is best to use:
a bulb syringe.
a 20-mL catheter tip syringe.
an IV bag without pressure.
gauze compresses.
The Correct Answer is B
Rationale:
A. A bulb syringe delivers low pressure and is less effective for thoroughly cleansing an open wound, especially if debris is present.
B. A 20-mL catheter tip syringe allows controlled irrigation with sufficient pressure (approximately 8 psi) to effectively remove debris and contaminants without damaging healthy tissue. This is considered the standard method for wound irrigation.
C. Using an IV bag without pressure may not provide adequate force to flush out debris and contaminants.
D. Gauze compresses can clean the wound surface but do not provide the irrigation pressure necessary for thorough cleansing.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Rationale:
A. Benzodiazepines typically cause sedation rather than insomnia, although paradoxical reactions can occasionally occur.
B. Dependence is a well-recognized problem with benzodiazepines, especially with prolonged use. Patients may develop tolerance, requiring higher doses, and abrupt discontinuation can lead to withdrawal symptoms.
C. While drug interactions are possible, they are generally less common than the risk of dependence.
D. Cost is usually not a primary concern with benzodiazepines, as many are available as inexpensive generic medications.
Correct Answer is C
Explanation
Rationale:
A. Isolation from daycare is generally recommended while the child is symptomatic to prevent transmission, but a fixed 7-day period is not always necessary; symptom resolution varies.
B. Antipyretics should be given as needed for fever or discomfort, not routinely every 4 hours for multiple days.
C. Acute bronchiolitis typically presents with symptoms that peak within 1–3 days, with gradual improvement. Most children experience complete resolution within 10–14 days, which is important for caregivers to understand to prevent unnecessary concern or overuse of medications.
D. Antibiotics are not indicated for viral bronchiolitis, even if nasal discharge becomes purulent, as the infection is viral and antibiotics are ineffective.
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