Which describes the pathology of immune thrombocytopenia?
Diffuse fibrin deposition in the microvasculature
Deficiency in the production rate of globin chains
An excessive destruction of platelets
Bone marrow failure in which all elements are suppressed
The Correct Answer is C
The correct answer is c. An excessive destruction of platelets.
Choice A: Diffuse fibrin deposition in the microvasculature
Diffuse fibrin deposition in the microvasculature is not characteristic of immune thrombocytopenia (ITP). This description is more aligned with disseminated intravascular coagulation (DIC), a condition where widespread clotting occurs within the blood vessels, leading to multiple organ damage.
Choice B: Deficiency in the production rate of globin chains
A deficiency in the production rate of globin chains is associated with thalassemia, a genetic blood disorder that affects the production of hemoglobin. This is not related to the pathology of immune thrombocytopenia.
Choice C: An excessive destruction of platelets
An excessive destruction of platelets is the hallmark of immune thrombocytopenia (ITP). In ITP, the immune system mistakenly targets and destroys platelets, which are essential for blood clotting. This leads to a low platelet count and an increased risk of bleeding.
Choice D: Bone marrow failure in which all elements are suppressed
Bone marrow failure in which all elements are suppressed is characteristic of aplastic anemia, a condition where the bone marrow fails to produce sufficient blood cells. This is not related to immune thrombocytopenia.
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Related Questions
Correct Answer is D
Explanation
Choice A reason:
Marbles are not a safe play activity for a 3-year-old in a spica cast. Marbles are small and can pose a choking hazard. Additionally, playing with marbles requires fine motor skills and movement that may be restricted by the cast.
Choice B Reason:
Watching a movie is a safe activity but does not provide developmental benefits. While it can keep the child entertained, it does not engage the child in active play or promote cognitive and motor development.
Choice C Reason:
A game of checkers may be too advanced for a 3-year-old. It requires understanding of rules and strategic thinking, which may be beyond the developmental stage of a child this age. Additionally, it may not be engaging enough to hold the child’s attention.
Choice D Reason:
Playing with a toy telephone is an appropriate activity for a 3-year-old in a spica cast. It is safe and can be done while the child is in a stationary position. This activity encourages imaginative play and can help with language development and social skills.
Correct Answer is ["B","C","D"]
Explanation
Choice A reason:
Assessing skin turgor underneath the cast is not feasible because the cast covers the skin, making it difficult to evaluate turgor directly. Skin turgor is typically assessed to determine hydration status, but it is not a primary concern when monitoring a child with a cast. The focus should be on assessing for signs of complications such as swelling, circulation issues, and pain.
Choice B reason:
Skin temperature is an important assessment when a child has a cast. Changes in skin temperature, such as increased warmth, can indicate infection or inflammation, while a cooler temperature may suggest compromised circulation. Regularly checking the skin temperature around the cast can help identify potential complications early.
Choice C reason:
Assessing pulses is crucial when a child has a cast. Checking the pulses distal to the cast (e.g., in the fingers or toes) helps ensure that there is adequate blood flow to the extremity. Diminished or absent pulses can indicate compromised circulation, which requires immediate medical attention to prevent tissue damage.
Choice D reason:
Pain assessment is essential for a child with a cast. Pain can be an indicator of complications such as pressure sores, infection, or compartment syndrome. Monitoring the child’s pain levels and addressing any complaints of pain promptly is important for their comfort and to prevent further issues.
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