Testosterone Levels Rise in Male Rats If They Smell a Nearby

question 8

Multiple Choice

Testosterone levels rise in male rats if they smell a nearby female rat that is in heat. In a proposed experiment, one male rat was allowed to mate only with females who wore oil of wintergreen "perfume." After several such exposures, the male's testosterone levels rose whenever he smelled oil of wintergreen. What serves as the CS in this example?

• A) the opportunity to mate
• B) the male rat's testosterone level
• C) the natural smell of the female
• D) the smell of oil of wintergreen

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Definitions:

Neurotransmitter

Neurotransmitters are chemical substances that transmit signals across a synapse from one neuron to another in the nervous system.

Dopamine

A neurotransmitter involved in controlling the brain's reward and pleasure centers. It also plays a significant role in movement and emotional responses.

Reuptake

The process of a neurotransmitter being reabsorbed by a nerve ending after it has transmitted a neural impulse.

Synaptic Vesicles

Membrane-bound sacs in a neuron that store neurotransmitters, which are released into the synaptic cleft during neural communication.