《素问·痿论》认为"痿躄"的主要病机是（）

A.宗筋弛纵

B.骨枯髓虚

C.胞络阻绝

D.肺热叶焦

E.肌肉濡渍

A client has severe pruritus from hepatitis B. Which of the following nursing measures would best enhance the client’s comfort

A. Use hot water to increase vasodilation.
B. Use cold water to decrease itching sensation.
C. Give tepid water baths.
D. Avoid lotions and creams.