When every other beat is a premature ventricular contraction, it is known as:

Individuals following a vegan diet must be extra cautious during pregnancy because nutrient needs increase and nutrient deficiency is more likely

A) Neither the statement nor the reason is correct. B) Both the statement and reason are correct and related. C) Both the statement and reason are correct but not related. D) The statement is not correct, but the reason is correct. E) The statement is correct, but the reason is not.

If the half-life of a drug is four hours, it means that after four hours

a. only half of the concentration of the drug will remain in the blood b. the body will have fully processed the drug, which will be ready for excretion c. the body will start to experience the effects of the drug d. only half of the drug will have entered the circulatory system