Which statement best describes the effect nicotine has on the central nervous system? select one of the options below as your

a. it acts as a stimulant and causes pleasurable feelings.
b. it acts as a sedative and relaxes the mind.\
c. it acts as both a stimulant and a sedative.

Which of the following are foundational principles of medical ethics? a.)principle of prescription b.) principle of autonomy c.)principle of proportionality d.)principle of fidelity e.) principle of social justice f.)principle of beneficence g.)principle of nonmaleficence h.)principle of benediction