You are caring for a patient who is diagnosed with Raynaud's disease. What is this disease characterized by?
A) Venous thrombosis
B) Arteriolar vasoconstriction
C) Arterial vasodilatation
D) Intermittent claudication
Ans: B
Feedback: Raynaud's disease is characterized by intermittent arteriolar vasoconstriction, causing coldness, pain, and pallor of the fingertips or toes. Raynaud's disease is not characterized by venous thrombosis, arteriolar vasodilatation, or intermittent claudication.
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