Which of the following is a characteristic of the injury or exudative stage of ARDS that typically occurs 24 hours post-injury?
Increased lung compliance and increased oxygenation
Normal lung compliance
Decreased capillary permeability and equal VQ matching
Pulmonary edema and decreased oxygenation
The Correct Answer is D
A. Increased lung compliance and increased oxygenation:
In ARDS, lung compliance is decreased, and oxygenation is impaired, especially in the exudative phase.
B. Normal lung compliance:
Lung compliance becomes reduced due to alveolar damage and stiffening.
C. Decreased capillary permeability and equal VQ matching:
The opposite occurs-capillary permeability increases, leading to pulmonary edema and V/Q mismatch.
D. Pulmonary edema and decreased oxygenation:
The injury/exudative phase (within 24 hours) is marked by capillary leak, non-cardiogenic pulmonary edema, and hypoxemia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Dry skin:
This is more typical of heat stroke, where the body fails to regulate temperature and sweating stops.
B. Paranoia:
Paranoia is not a hallmark of heat exhaustion; it may be seen in severe hyperthermia or neurologic conditions.
C. Moist skin:
In heat exhaustion, the person continues to sweat as the body tries to cool down, resulting in cool, moist skin.
D. Hypervigilance:
Not a classic sign of heat exhaustion - this term refers to increased alertness, not typically associated with this condition.
Correct Answer is {"dropdown-group-1":"A"}
Explanation
Deep frostbite injuries can cause tissue necrosis and open wounds that are susceptible to Clostridium tetani infection. Tetanus immunization is given prophylactically to prevent tetanus infection if the patient’s immunization status is not current.
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