Betty has tried to stop using a particular drug permanently, but her attempts have been unsuccessful. When she stops using, she experiences irritability and difficulty concentrating. Even though she has emphysema, a serious physical disorder, she continues to use it. Surprisingly, it is a legal drug. To which drug is Betty probably addicted?

The semicircular canals and vestibular sacs are parts of our vestibular system that help our body maintain balance. In which part of the body are these functions located?

a. The eyes b. The nose c. The skin d. The ears

What kind of information is included in an informed consent form?

A) time, purpose of study, entitlements, restrictions participants must abide by B) purpose of study, benefits and compensation, social security information blank C) purpose of study, risks, research benefits, right to decline to participate D) benefits and compensation, risks, education requirements, purpose of study