What are the methods used in the semiology of the peripheral vascular system? I - Palpation can be used to detect increased skin temperature over ...

What are the methods used in the semiology of the peripheral vascular system?

I - Palpation can be used to detect increased skin temperature over varicose veins compared to neighboring tissue.
II - Percussion can be used to determine the continuity of the vein or the communication between a vein and the varicose button.
III - Auscultation is useful in the semiology of the venous system, especially when large venous branches are in abnormal positions.
IV - Auscultation can be used to detect the presence of an arteriovenous fistula or valvular insufficiency.
a) Only statements I and II are correct.
b) Only statements II and III are correct.
c) Only statements I, II, and III are correct.
d) Statements I, II, III, and IV are correct.