Most of the deaths from burn trauma in the emergent phase that require a referral to a burn center result from:
cardiac arrest related to septic shock
Infection
adrenal failure
hypovolemic shock and renal failure.
The Correct Answer is D
A. Cardiac arrest related to septic shock:
Septic shock can occur in burn patients due to the breakdown of the skin barrier, which allows pathogens to enter the bloodstream and cause systemic infection. However, while septic shock is a serious complication of burn injuries, it is not the primary cause of death in the emergent phase. Septic shock can lead to multiple organ failure and contribute to mortality, but it is often a later complication rather than an immediate cause in the emergent phase.
B. Infection:
Infections are a significant concern in burn patients, especially as the burn wound provides an ideal environment for bacterial growth. However, infections typically contribute more significantly to mortality in the later phases of burn care rather than in the emergent phase. In the emergent phase, hypovolemic shock and other immediate complications have a greater impact on mortality.
C. Adrenal failure:
Adrenal failure, specifically acute adrenal insufficiency or Addisonian crisis, can occur in burn patients due to the stress response and corticosteroid depletion. While adrenal insufficiency is a concern in severe burn cases, it is not the primary cause of death in the emergent phase requiring referral to a burn center.
D. Hypovolemic shock and renal failure:
Hypovolemic shock is a critical concern in the emergent phase of burn trauma because burns can lead to significant fluid loss and electrolyte imbalances. Hypovolemic shock results from insufficient circulating blood volume, leading to inadequate perfusion of organs and tissues, which can be life-threatening. Additionally, renal failure can develop due to hypovolemia, decreased cardiac output, and the release of inflammatory mediators, leading to acute kidney injury (AKI). Hypovolemic shock and subsequent renal failure are major contributors to mortality in the emergent phase of burn trauma, necessitating prompt referral to a burn center for specialized care.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","E"]
Explanation
A. Morbidly obese patient: Obesity is a known risk factor for VTE due to several reasons. Morbidly obese individuals often have impaired mobility, which can lead to venous stasis (sluggish blood flow in the veins). Additionally, obesity is associated with inflammation and changes in blood clotting factors, increasing the risk of developing blood clots in the veins.
B. A woman who smokes and takes oral contraceptives or smokes: Both smoking and oral contraceptive use are independent risk factors for VTE. Smoking can cause damage to blood vessels and alter blood clotting mechanisms, while oral contraceptives can increase the risk of blood clots due to hormonal changes.
C. Wheelchair-bound patient: While being wheelchair-bound alone may not always indicate a high risk for VTE, immobility is a significant risk factor for developing blood clots. Prolonged periods of immobility can lead to blood stasis in the veins, making wheelchair-bound patients susceptible to VTE, especially if other risk factors are present.
D. Patient with a humerus fracture: A humerus fracture on its own may not necessarily increase the risk of VTE significantly. However, if the fracture requires immobilization or surgery, especially if it affects the lower extremities or leads to prolonged immobility, the risk of VTE can increase due to decreased blood flow and stasis.
E. Patient who underwent a prolonged surgical procedure: Prolonged surgical procedures often involve anesthesia, immobility during surgery, and postoperative immobilization, all of which can contribute to venous stasis and increase the risk of developing VTE. Additionally, the surgical trauma itself can trigger inflammatory responses and alterations in blood clotting factors, further elevating the risk of blood clots.
Correct Answer is B
Explanation
A. Loose connective tissue:
Melanocytes are not typically found in loose connective tissue. Their primary location is within the epidermis, specifically in the basal layer, where they interact with keratinocytes to produce melanin and contribute to skin color. Loose connective tissue contains collagen and elastin fibers, as well as fibroblasts, but it does not house melanocytes.
B. Epidermis:
This is the correct answer. Melanocytes are primarily located in the basal layer of the epidermis, which is the deepest layer of the epidermis. These cells produce melanin, a pigment that helps protect the skin from UV radiation and determines skin color. Melanocytes are interspersed among keratinocytes in the epidermis and transfer melanin to keratinocytes to provide skin pigmentation.
C. Dermis:
The dermis is the layer of skin beneath the epidermis and consists of connective tissue, blood vessels, nerves, hair follicles, and sweat glands. While the dermis plays a crucial role in supporting and nourishing the epidermis, melanocytes are not primarily located in the dermis. They are confined to the basal layer of the epidermis.
D. Superficial fascia:
The superficial fascia, also known as the subcutaneous tissue or hypodermis, lies beneath the dermis and consists of adipose (fat) tissue and connective tissue. It provides insulation, energy storage, and cushioning for underlying structures. However, melanocytes are not typically found in the superficial fascia. They are restricted to the epidermis, specifically the basal layer, where they carry out their function of melanin production.
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