Imagine That 1 Milliliter of an Experimental Drug Diluted in a Saline

question 1

Multiple Choice

Imagine that 1 milliliter of an experimental drug diluted in a saline solution is injected into 20 pregnant mice to determine possible side effects. Which of the following is a suitable control for this experiment?

• A)20 male mice injected with 1 milliliter of saline
• B)20 male mice injected with 1 milliliter of the drug
• C)20 pregnant mice injected with 2 milliliters of the drug
• D)20 nonpregnant mice injected with 1 milliliter of the drug
• E)20 pregnant mice injected with 1 milliliter of saline

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Definitions:

Hormones

Chemical substances, secreted by organs called glands, that affect the functioning of other organs.

Left Hemisphere

The left side of the brain, responsible for controlling the right side of the body and functions such as speech and analytical thinking.

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Emotions that are experienced as pleasant or desirable, such as joy, gratitude, love, and happiness.

Polygraph

A polygraph, commonly known as a lie detector test, measures and records several physiological indices such as blood pressure, pulse, respiration, and skin conductivity while the subject is asked and answers a series of questions.