cellular, enzymatic, and molecular changes in the arterial vessels lead to which abnormality

The correct answer is arterial dilation.

Abnormal arterial dilatation might lead to an immediate decrease in arterial blood pressure(decrease in vascular resistance) and heart rate.

Arterial vasodilation can be described as widening of arterial vessels caused by relaxation of smooth muscle cells in the vessel walls.  

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1. c 6. b. 11. c

2. a 7. d. 12. d

3. c 8. b. 13. c

4. d 9. c. 14. d

5. c 10. d. 15. a

16. d. 21. a

17. d.

18. a. 22-30 you must do on

19. d. your own

20. d.

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