A nurse is monitoring a client who is receiving a blood transfusion. The nurse identifies that the client has urticaria and is wheezing. Which of the following types of transfusion reactions should the nurse suspect?
Acute hemolytic
Febrile
Anaphylactic
Circulatory overload
The Correct Answer is C
Monitoring during blood transfusion requires early recognition of adverse reactions that may range from mild febrile responses to life-threatening immune-mediated emergencies. Reactions such as urticaria, bronchospasm, and wheezing indicate a systemic hypersensitivity response involving release of histamine and other inflammatory mediators. In the context of a transfusion, these findings suggest a severe allergic reaction that can rapidly progress to respiratory compromise and shock. Immediate identification and intervention are critical to prevent deterioration.
Rationale:
A. Acute hemolytic transfusion reactions typically present with fever, chills, back or flank pain, hypotension, hemoglobinuria, and a sense of impending doom. These reactions result from ABO incompatibility leading to destruction of transfused red blood cells. Urticaria and wheezing are not the primary features, making this option less consistent with the presentation.
B. Febrile non-hemolytic reactions usually present with low-grade fever and chills due to cytokine release from donor leukocytes. They do not typically involve respiratory symptoms such as wheezing or cutaneous manifestations like urticaria. This reaction is generally mild and not associated with airway compromise.
C. Anaphylactic transfusion reaction is characterized by urticaria, wheezing, bronchospasm, hypotension, and potentially airway obstruction due to severe IgE-mediated hypersensitivity. In response to exposure to allergenic components in blood products, mast cell degranulation leads to histamine release causing both skin and respiratory symptoms. This presentation requires immediate cessation of transfusion and emergency intervention.
D. Circulatory overload (TACO) presents with dyspnea, hypertension, crackles, and signs of pulmonary edema due to volume excess. It does not typically cause urticaria or wheezing as primary manifestations. The underlying issue is fluid overload rather than immune-mediated hypersensitivity.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Management of clients prescribed opioid analgesics such as Oxycodone requires proactive prevention of predictable adverse effects. Opioids commonly reduce gastrointestinal motility by binding to mu-receptors in the intestinal tract, leading to delayed peristalsis and hard stools. Constipation is one of the most frequent and persistent side effects and does not resolve with continued use. Therefore, bowel regimen medications are typically prescribed concurrently to maintain bowel function and prevent complications.
Rationale:
A. Lorazepam is a benzodiazepine used for anxiety, sedation, or seizure control and is not used to prevent opioid-induced constipation. When combined with oxycodone, it can actually increase the risk of respiratory depression and CNS depression. Therefore, it is not appropriate for preventing common opioid adverse effects.
B. Docusate sodium is a stool softener that helps prevent hard, dry stools by increasing water penetration into the stool mass. It is commonly used alongside opioid therapy to counteract decreased intestinal motility and prevent constipation. Regular use is recommended because opioid-induced constipation is predictable and does not resolve spontaneously.
C. Gabapentin is used for neuropathic pain and seizure disorders and has no effect on bowel motility. It does not prevent gastrointestinal side effects associated with opioids. Additionally, it may cause sedation when combined with oxycodone but does not address constipation risk.
D. Ranitidine is an H2-receptor antagonist used to reduce gastric acid secretion and manage conditions like GERD or peptic ulcers. It does not influence intestinal motility or prevent opioid-induced constipation. Therefore, it is not appropriate for managing this common adverse effect.
Correct Answer is D
Explanation
Post-gastrectomy care requires dietary modifications to prevent complications such as rapid gastric emptying, commonly known as Dumping syndrome. This condition occurs when hyperosmolar food contents move too quickly from the stomach into the small intestine, leading to fluid shifts, abdominal cramping, diarrhea, dizziness, and tachycardia. Prevention focuses on dietary adjustments that slow gastric emptying, reduce simple sugars, and increase protein intake. Clients are typically advised to consume small, frequent meals that are high in protein and moderate in fat while avoiding high-carbohydrate foods.
Rationale:
A. Ice cream is high in simple sugars and lactose, which can rapidly increase osmotic load in the small intestine. This leads to fluid shifts, abdominal cramping, and diarrhea, worsening dumping syndrome symptoms. Dairy-based sugary foods are generally discouraged in post-gastrectomy dietary planning.
B. Peppermints may worsen symptoms because they can relax the lower esophageal sphincter and contain sugar, depending on formulation. Sugar-containing foods increase osmotic activity in the intestine, triggering rapid fluid shifts. They do not provide nutritional stability needed to prevent dumping syndrome episodes.
C. Coleslaw may contain cabbage and mayonnaise, but it often includes added sugar and high-fat dressing variations. While fat slows gastric emptying, the presence of raw fibrous vegetables can also cause gastrointestinal discomfort in some post-gastrectomy clients. It is not the most appropriate choice for preventing dumping syndrome compared to high-protein options.
D. Poached eggs are an excellent source of high-quality protein with minimal carbohydrate content. Protein-rich foods slow gastric emptying and reduce the rapid osmotic shifts responsible for dumping syndrome symptoms. They are recommended in post-gastrectomy diets to promote better tolerance and nutritional stability.
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