Answer:
The correct answer is option d.
Explanation:
An insult in the medical terms refers to some kind of mental or physical injury, like a skin burn may the outcome of a chemical, thermal, electrical, or radioactive insult. Conceptus refers to an initial phase of the embryo at the time of pregnancy, which is primarily susceptible to the chemical insult because of the requirement for the spatial localization and precise temporal of the cells and cell products, restricted drug metabolism competency, and due to the rapid rate of cell proliferation.