Answer:
Yes, the red blood cell swells
Explanation:
The red blood cells placed in a hypotonic solution will take in water across their membranes.
A red blood cell will swell and undergo hemolysis (burst) when placed in a hypotonic solution.
The red blood cell that is hypotonic (lower concentration outside the cell) will result in more water flowing into the cell than out. This results in swelling of the cell.
I believe the correct answer is B. Spread by contact.
Heroin for one. A big percentage OD's on that substance.
Ecstasy well not so much. I haven't heard much about Ecstasy lately so that's pretty much on the DL.
OxyContin is definite. People used to use OxyContin as a substance that could help with emotions and is commonly abused from time to time.
Adderall could be a definite because it helps people with ADHD and people with narcolepsy or uncontrollable desire to sleep. So it could easily b abused for one or more purposes.
I'm almost sure that Ritalin is one of them.
a synthetic drug that stimulates the sympathetic and central nervous systems and is used to improve mental activity in attention deficit disorder and other conditions.
Neurotransmitters? im not 100% sure