DrMartinez Is Doing a Research Study Examining the Effects of a New

question 35

Multiple Choice

Dr.Martinez is doing a research study examining the effects of a new headache medication on migraine pain.He decides to divide his participants up into four subject groups,each one of which will receive a different amount of medication to take when they have a migraine.The participants in group one receive a pill with 10 milligrams of the experimental medication,while the participants in group two receive a pill with 20 milligrams.Those assigned to group three receive a pill with 30 milligrams,while those in group four receive a placebo pill that has zero milligrams of the medication.How many experimental groups are in this research study?

• A) 1
• B) 2
• C) 3
• D) 4

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Definitions:

Cell Metabolism

The complex set of life-sustaining chemical reactions in cells that allows organisms to grow, reproduce, maintain structures, and respond to environments.

Oxygen

A chemical element essential for most forms of life on Earth, used in cellular respiration.

Raw Materials

Basic materials from which products are made, including direct materials like wood for furniture or iron ore for steel production.

Isotonic Solution

Solution that is equal in solute concentration to that of the cytoplasm of a cell; causes cell to neither lose nor gain water by osmosis.