In a Laboratory, Smokers Are Asked to "Drive" Using a Computerized

question 166

Multiple Choice

In a laboratory, smokers are asked to "drive" using a computerized driving simulator equipped with a stick shift and a gas pedal. The object is to maximize the distance covered by driving as fast as possible on a winding road while avoiding rear-end collisions. Some of the participants smoke a real cigarette immediately before climbing into the driver's seat. Others smoke a fake cigarette without nicotine. You are interested in comparing how many collisions the two groups have. In this study, the cigarette without nicotine is __________

• A) the control group.
• B) the driving simulator.
• C) the experimental group.
• D) the no-control group.

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Definitions:

Lactate

A compound produced in the body during the anaerobic conversion of glucose to energy, often associated with muscle fatigue.

NAD+

Nicotinamide adenine dinucleotide, a coenzyme found in all living cells that is involved in redox reactions, carrying electrons from one reaction to another.

Oxygen

A chemical element (O) essential for most forms of life on earth, playing a key role in cellular respiration and energy production.

ATP

Adenosine triphosphate, a high-energy molecule that stores and transports chemical energy within cells for metabolism.