In Experiments Where Researchers Suspect That a Hormone May Be

question 7

Multiple Choice

In experiments where researchers suspect that a hormone may be responsible for a certain physiological effect, they may cut the neurons leading to the organ where the effect being studied occurs. What is the purpose of cutting these neurons?

• A) to make sure that the effect is not occurring through actions in the nervous system
• B) to make sure that the organ being affected cannot function unless the researchers stimulate it with an external electrical probe
• C) to impair the normal functions of the organ so that the hormonal effect can be more easily studied
• D) to numb the organ so that it can be probed without inducing pain in the lab animal

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Definitions:

Kirk's Dik-dik

A small antelope species found in eastern and southwestern Africa, known for its monogamous pairs and distinctive whistle-like alarm call.

Genetic Monogamy

A mating system in which individuals mate exclusively with one partner over their lifetime, and parentage analyses confirm genetic fidelity.

Mammals

Warm-blooded vertebrates characterized by the presence of mammary glands, which females use to feed their young, and a body covered in hair or fur.

Birds

Warm-blooded, egg-laying vertebrates characterized by feathers, beaks, and the capability of flight in most species.