Which of the following statements best describes disseminated intravascular coagulation (DIC)?
White blood cell count "WBC" is used in the scoring system for DIC
DIC cases are triggered by other events such as infections.
DIC is a disease caused by a gene mutation.
Heparin is considered the gold standard for all clients with DIC
The Correct Answer is B
A. White blood cell count "WBC" is used in the scoring system for DIC: WBC is not part of the DIC scoring system. The diagnosis relies on platelet count, fibrin degradation products, PT, aPTT, and fibrinogen levels. WBC may be elevated due to infection but does not directly indicate DIC.
B. DIC cases are triggered by other events such as infections: DIC is a secondary disorder that occurs in response to conditions like sepsis, trauma, malignancy, or obstetric complications. It results from widespread activation of coagulation and subsequent consumption of clotting factors.
C. DIC is a disease caused by a gene mutation: DIC is not a hereditary or genetic disease. It is an acquired condition resulting from a pathological event that triggers systemic coagulation. Genetic mutations are not implicated in its development.
D. Heparin is considered the gold standard for all clients with DIC: Heparin is not universally used in DIC and is reserved for specific cases such as chronic or thrombotic DIC. The mainstay of treatment is addressing the underlying cause and providing supportive care, including transfusions of platelets or clotting factors as needed.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Perform a halo test: Clear nasal drainage in a client with periorbital ecchymosis may indicate cerebrospinal fluid (CSF) leakage. The halo or ring test helps differentiate CSF from normal nasal secretions, which is critical for detecting a basilar skull fracture. Early identification guides further neurologic assessment and prevents complications.
B. Instruct the client to blow his nose and check the nares for inflammation: Blowing the nose can increase intracranial pressure and worsen CSF leakage. Assessing for inflammation does not confirm CSF presence and may be harmful in suspected skull fractures.
C. Obtain a specimen of the fluid for culture and sensitivity: Culturing the fluid is unnecessary initially and may delay urgent assessment. Identifying CSF leakage takes priority to prevent infection and guide immediate care.
D. Check the nasal drainage for glucose: Glucose testing can suggest CSF, but the halo test provides a more rapid and reliable bedside assessment. Confirming CSF leakage quickly is essential for early intervention.
Correct Answer is A
Explanation
A. A client with a blunt chest trauma with some difficulty breathing: Blunt chest trauma with respiratory difficulty indicates pneumothorax or pulmonary contusion. These conditions can deteriorate rapidly if not treated immediately. Airway and breathing always take priority in emergency triage. Early management prevents respiratory failure and severe hypoxia.
B. A client with confusion: Confusion suggests neurological or metabolic issues, but there is no indication of airway or breathing compromise. The condition requires prompt evaluation but does not present the same immediate danger as respiratory distress. The client is more stable and can be safely reassessed once life-threatening issues are addressed.
C. A client with a sore neck who was immobilized in the field on a backboard with a cervical collar: The client may have a spinal injury, but immobilization already provides protection from further harm. There is no evidence of airway or breathing instability that would elevate the urgency. This allows the client to wait safely while higher-priority conditions are treated.
D. A client with a possible fractured tibia with adequate pedal pulses: A tibial fracture is not life-threatening when distal pulses are present, indicating that circulation to the limb is intact. The client is stable and can safely wait while emergent issues are managed first. Orthopedic injuries without vascular compromise pose minimal immediate risk.
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