Which of the following is acceptable to use or take during pregnancy?
a. tobacco
b. alcohol
c. medication unapproved by a doctor
d. none of the above

Not tobacco , not alcohol , nor medication unapproved by a doctor is acceptable to use or take during pregnancy. This means that the correct answer is: D. none of the above.When a woman smokes cigarettes or drinks alcohol during pregnancy, her fetus is exposed to many harmful chemicals.

fluid balance is an aspect of the homeostasis of organisms in which the amount of water in the organism needs to be controlled, via osmoregulation and behavior, such that the concentrations of electrolytes (salts in solution) in the various body fluids are kept within healthy ranges. the core principle of fluid balance is that the amount of water lost from the body must equal the amount of water taken in.