Chapter 4, Problem 6.7E

Divide each term into its component word parts. Write these word parts, in sequence, on the lines provided. When necessary use a slash/ to indicate a combining vowel. You may not need all of the lines provided. Polyarteritis is a form of vasculitis involving several medium and small arteries at the same time. _______________ _________________ ________________ _________________

The abnormal hardening of the walls of an artery or arteries is called ______________. arteriosclerosis arteriostenosis arthrostenosis artherosclerosis

Figure 40.17 Varicose veins are veins that become enlarged because the valves no longer close properly, allowing blood to flow backward. Varicose veins are often most prominent on the legs. Why do you think this is the case?