Which type of enema is typically used to relieve constipation by instilling and retaining fluid for a short period before expelling?
Lactulose Enema
Fleet Enema
Tap water enema
Mineral Enema
The Correct Answer is B
Rationale:
A. Lactulose is usually administered orally to soften stools, not as a short-retention enema.
B. A Fleet enema is a hypertonic solution that draws fluid into the colon, is retained briefly, and promotes rapid evacuation of stool to relieve constipation.
C. Tap water enemas are hypotonic and typically require immediate expulsion, not short retention.
D. Mineral oil enemas are retention enemas, meant to soften stool over a longer period, not for rapid evacuation.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Rationale:
A. Replacing lost blood components requires blood products, not isotonic crystalloids.
B. Isotonic crystalloid fluids (e.g., 0.9% sodium chloride, lactated Ringer’s) are administered to restore extracellular fluid volume in clients with fluid volume deficit.
C. While isotonic solutions contain electrolytes, their primary purpose is volume replacement, not rapid electrolyte correction.
D. Correcting metabolic acidosis may require specific interventions; isotonic fluids alone do not address acid-base imbalances.
Correct Answer is A
Explanation
Rationale:
A. Hematemesis (vomiting blood) indicates active gastrointestinal bleeding, which can lead to hypovolemic shock and is a life-threatening complication of peptic ulcer disease. It is therefore the priority assessment finding.
B. Dyspepsia (indigestion) is a common symptom of peptic ulcer disease but is not immediately life-threatening.
C. Epigastric discomfort is a typical symptom but is less urgent compared to active bleeding.
D. Constipation is a non-specific gastrointestinal symptom and does not pose an immediate threat in peptic ulcer disease.
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