alcohol, viruses, and nicotine are all categorized as because they can cause birth defects when a fetus is exposed to them.

If the singular term ends in -us, the plural is usually formed by changing the ending to

Why is important to cover your hands and feet in cold weather? a. they are furthest from your heart. b. they are often last to receive blood flow. c. they can suffer from tissue damage in cold weather. d. all of the above

You are awaiting the white blood cell differential results for a patient who presented with a ruptured appendix and peritonitis. which type of leukocyte do you expect to be most elevated over its normal value?