Author Question: Which of the following terms describes the level at which a certain teratogen becomes harmful? ... (Read 51 times)

lilldybug07

  • Hero Member
  • *****
  • Posts: 546
Which of the following terms describes the level at which a certain teratogen becomes harmful?
 
  harmful effect
  threshold effect
  risk effect
  interaction effect

Question 2

What is most likely to happen if teratogens are introduced during the germinal period of development?
 
  The zygote will not implant on the uterine wall.
  The zygote will be destroyed by the teratogens.
  Major multisystem birth defects are likely to occur.
  It is unlikely that teratogens will have any effect this early in the pregnancy.



trog

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

threshold effect

Answer to Question 2

The zygote will not implant on the uterine wall.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

For a complete list of videos, visit our video library