Chemical released by t cells for direct cell killing

Suppose you calculate that elasticity of demand for cigarettes is 0.5. you can conclude that: a. demand for cigarettes is elastic b. demand for cigarettes is unitary elastic c. a 1% increase in price of cigarettes will result in a 0.5% decrease in quantity demanded d. a 1% increase in the price of cigarettes will result in a 0.5% increase in quantity demanded.

Why are feelings effecting people now then

The parents of an infant born with myelomeningocele are confused about the primary healthcare has told them about the condition.what should the nurse consider before answering the parents questions in language that they will understand?