A Research Participant Hears a Tone Followed by a Puff

question 121

Multiple Choice

A research participant hears a tone followed by a puff of air directed toward his eye.Later,he blinks when he hears the tone.Before ending the experiment,what could the researcher do in order to extinguish the blinking to that tone?

• A)present the tone alone repeatedly
• B)present the puff of air alone repeatedly
• C)increase the loudness of the tone
• D)increase the amount of air that is directed toward the eye

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Definitions:

Guanine

A nitrogenous base found in DNA and RNA, playing a critical role in the formation of genetic material.

Fertility Drugs

Medications used to enhance reproductive ability by stimulating egg or sperm production in individuals or couples facing infertility challenges.

Chromosomes

Thread-like structures located inside the nucleus of animal and plant cells, made of protein and a single molecule of DNA, and carrying genetic information.

Genes

Units of heredity made up of DNA, responsible for passing traits from parents to offspring and influencing characteristics and disease susceptibility.