19. The Blood Vessels

More than one choice may apply.

Which of the following are associated with aging?

a. Increasing blood pressure

b. Weakening of venous valves

c. Arteriosclerosis

d. Collapse of the ductus arteriosus

More than one choice may apply.

A stroke that occludes a posterior cerebral artery will most likely affect

a. Hearing

b. Vision

c. Smell

d. Higher thought processes

Hannah, a newborn baby, needs surgery because she was born with an aorta that arises from the right ventricle and a pulmonary trunk that issues from the left ventricle, a condition called transposition of the great vessels. What are the physiological consequences of this defect?

Relate the anatomical differences between arteries and veins to their functions.