Nokea
Which of the following would indicate the need to increase fluids beyond what is recommended for fluid resuscitation?
- A. Myoglobin in the urine
- B. Increase in antidiuretic hormone (ADH)
- C. Elevation of blood glucose levels
- D. Hypermatremia
Correct Answer: A
Rationale: Myoglobin from muscle tissue destruction is transported to the kidneys for excretion and can cause tubular necrosis and acute renal failure. Increase in fluid intake until urine output clears is recommended in serious burns. An increase in ADH release is expected as the body tries to prevent hypovolemic shock. Elevation in glucose levels occurs when the adrenal cortex is stimulated. Sodium levels rise in response to aldosterone levels, which directly leads to peripheral edema.
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What skin substitute is a nylon-silcone membrane coated with a protein derived from pig tissue?
- A. Mederma
- B. Integra
- C. TransCyte
- D. Biobrane
Correct Answer: D
Rationale: Biobrane is a nylon-silcone membrane coated with a protein derived from pig tissue. Mederma is a topical gel that can reduce scarring. Integra consists of a two-layer membrane- one is a synthetic epidermal layer, and the other contains cross-linked collagen fibers that mimic the dermal layer of skin. TransCyte is created by culturing human fibroblasts from the dermis with a biosynthetic semipermeable membrane attached to nylon mesh.
The nurse receives a client following a serious thermal burn. Which complication will the nurse take action to prevent first?
- A. Tissue hypoxia
- B. Infection
- C. Renal failure
- D. Hypovolonia
Correct Answer: D
Rationale: After a burn, fluid from the body moves toward the barmed area, which leads to intravascular fluid deficit. Steps must be taken to prevent irreversible hypovolemic shock in the initial stages of treatment. The inflammatory processes that affect the issues cause additional injury, which contributes to tissue hypoxia. Myoglobin and hemoglobin that was destroyed during the burn can result in acute renal failure. Destruction of the skin barrier result in colonization of bacteria and can lead to life-threatening infection in days following the burn.
A client is brought to the emergency department after sustaining a serious burn. The nurse understands that the focused management of which burn zone is of greatest concern?
- A. Zone in burn center
- B. Zone of coagulation
- C. Zone of hyperemia
- D. Zone of stasis
Correct Answer: D
Rationale: The zone of stasis lies outside the burn center and zone of coagulation. This is where the blood vessels are damaged, but tissue has the potential to survive with proper management. The center zone or zone of coagulation is the deepest area of injury and is considered the zone of irreversible damage, placing the focus on saving the surrounding tissues. The zone of hyperemia is the area of least injury.
A nurse is monitoring the effectiveness of fluid resuscitation in a client who is being treated for burns. What assessment would indicate the success of the fluid resuscitation?
- A. The client's heart rate is rapid and regular.
- B. The client's urinary output is 0.5 to 1 ml/kg/hour.
- C. The client's breathing is unlabored, and skin is clammy.
- D. The client is alert and conscious.
Correct Answer: B
Rationale: Successful fluid resuscitation is gauged by a urinary output of 0.5 to 1 ml/kg/hour via an indwelling catheter. Fluid resuscitation does not directly affect the client's heart rate, breathing, or mental status.
An explosion of a fuel tanker has resulted in melting of clothing on the driver and extensive full-body burns. The client is brought into the emergency department alert, denying pain, and joking with the staff. Which is the best interpretation of this behavior?
- A. The client is in hypovolemic shock.
- B. The client has experienced extensive full-thickness burns.
- C. The paramedita administered high doses of opioids during transport.
- D. The client has experienced partial-thickness burns.
Correct Answer: B
Rationale: In full-thickness burns, nerves are damaged and consequently painless. Behavior change is not a significant symptom of hypovolemic shock. Opoids are used in the management of pain associated with partial-thickness burns but not significant in the behavior exhibited. Partial-thickness burns are associated with increased pain to the area of involvement.