9) Considering the vessels named pulmonary trunk and celiac trunk, the term trunk must refer to:
a. a vessel in the heart wall b. a vein c. a capillary d. a large artery from which other arteries branch
10) Which of these vessels is bilaterally symmetrical  ( I.e., one vessel of the pair occurs on each side of the body)?
a. internal carotid artery b. brachiocephalic trunk c. Azygos vein d. superior mesenteric vein
11) A stroke that occludes a posterior cerebral artery will most likely affect:
a. hearing b. vision c. smell d. higher thought processes
12) Vessels involved in the circulatory pathway to and from the brain are the
a. brachiocephalic artery b. subclavian artery c. internal jugular vein d. internal carotid artery
13) Which layer of the arter wall thickens most in atherosclerosis?
a. tunica media b. tunica interna c. tunica adventitia d. tunica externa
14) Which of the following are associated with aging?
a. increasing blood pressure b. weakiening of venous valves c. arteriosclerosis d. stenosis of the ductus arteriosus
15) an increase in BP would be causes by all of the following except:
a. increase in SV b. increase in heart rate c. increase in the length of ventricular diastole d. constriction of the arterioles