MRI vs. MRA. An MRA, or magnetic resonance angiogram, is a type of MRI scan that uses MRI's magnetic fields and radio waves to produce pictures of blood vessels inside the body, allowing doctors to locate problems that may cause reduced blood flow.
Best Answer: Ethyl alcohol, at the concentrations used in most antibacterial preparations, kills bacteria by disrupting membranes and by denaturing proteins. Ethylalcohol is miscible in water (that is, completely soluble). But ethyl alcohol can also dissolve in the membranes of cells.
Isopropyl is twice as toxic as the alcohol in alcoholic beverages. It also has a greater effect on the central nervous system. Isopropyl irritates the GI tract. The lethal dose of isopropyl in humans is estimated as 8.5 oz. Drinking rubbing alcohol can cause alcohol poisoning. The symptoms of alcohol poisoning are vomiting, confusion, slow breathing (less than eight breaths per minute), seizures, low body temperature, pale or blueish skin and unconsciousness.