Thrombocytopenia:
Is a platelet count greater than 100,000/mm³
Is a platelet count less than 150,000/mm³
Is the cause of increased clotting
Is due to increased platelet production
The Correct Answer is B
Choice A reason: Thrombocytopenia is a low platelet count (<150,000/mm³), not >100,000/mm³, which may still be normal or low-normal. A count <150,000 defines the condition, so this is incorrect.
Choice B reason: Thrombocytopenia is defined as a platelet count less than 150,000/mm³, increasing bleeding risk. This accurately describes the condition, making it the correct choice for the definition.
Choice C reason: Thrombocytopenia causes bleeding, not increased clotting, due to low platelets. Clotting issues arise from high platelets, so this is incorrect for thrombocytopenia’s effects.
Choice D reason: Thrombocytopenia results from decreased platelet production or increased destruction, not increased production. Low platelet count defines it, so this is incorrect for the cause.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: Absence seizures involve brief staring spells, not continuous tonic-clonic movements. The patient’s prolonged, unresponsive seizure activity indicates status epilepticus, so this is incorrect for the seizure type.
Choice B reason: Status epilepticus is continuous or recurrent seizures lasting over 5 minutes, often tonic-clonic, with unresponsiveness, tachycardia, and hypertension. This matches the patient’s presentation, making it the correct type.
Choice C reason: Myoclonic seizures cause brief muscle jerks, not prolonged tonic-clonic activity. Status epilepticus describes the continuous seizure state, so this is incorrect for the observed seizure.
Choice D reason: Tonic-clonic seizure is a single event, but continuous activity suggests status epilepticus. The prolonged duration and unresponsiveness point to status, so this is incorrect.
Correct Answer is ["A","C"]
Explanation
Choice A reason: DiGeorge disease involves thymic hypoplasia or aplasia, impairing T-cell development. This is a primary cause, leading to immune deficiency, making it a correct choice for the condition’s etiology.
Choice B reason: B-cell maturation is generally preserved in DiGeorge disease, as it primarily affects T-cells due to thymic defects. T-cell issues are central, so this is incorrect for the cause.
Choice C reason: T cells cannot mature in DiGeorge disease due to thymic underdevelopment, causing severe immunodeficiency. This is a core feature of the syndrome, making it a correct choice for the cause.
Choice D reason: Humans lack a bursa; B-cell maturation occurs in bone marrow. DiGeorge affects the thymus and T-cells, not a nonexistent bursa, so this is incorrect for the cause.
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