In a Field Study of the Effects of Talking on a Cell

question 17

Multiple Choice

In a field study of the effects of talking on a cell phone while driving, a researcher measured braking time under high and low traffic conditions using a driving simulator. In this research, the dependent variable is

• A) traffic conditions.
• B) talking on a cell phone.
• C) speed.
• D) braking time.

---

Definitions:

Histamine

An organic nitrogenous compound involved in local immune responses, regulating physiological function in the gut, and acting as a neurotransmitter.

Leukotrienes

Leukotrienes are lipid molecules that play a pivotal role in the inflammatory response and allergic reactions within the body.

Prostaglandins

A group of physiologically active lipid compounds that have diverse hormone-like effects in animals.

Heparin

An anticoagulant medication or naturally occurring substance that prevents the formation of blood clots.