The explosive chemical nitroglycerine is also a drug given to dilate the blood vessels of patients suffering from arteriosclerosis. which of the following effects will nitroglycerine produce on these patients? (a) reduced heart rate (b) increased heart rate (c) reduced blood pressure (d) increased blood my guess would be (c), you in advance.

The correct answer is (C) Reduced Blood Pressure.

Nitroglycerin is a drug given to dilate blood vessels when they narrow due to diseases as Arteriosclerosis.
Nitroglycerin will widen the arteries to make it easier for the blood to reach the heart, therefor making it easier for the latter to function properly. 

small, big, or no change could occur in the phenotype. it could cause something as simple as a cats ears to curl backwards or something as frighting as death. it could also occur in the protien-coding area and have an effect on that but no effect on the amino acids. what has to occur is a changing in the hox gene or the control gene.