Researchers Are Conducting a Study to Determine the Effects of Zinc

question 56

Multiple Choice

Researchers are conducting a study to determine the effects of zinc supplements on the human immune system.The study involves providing pills that contain zinc to one group of human subjects and pills that do not contain zinc or other active ingredients to another group of people.The pills that do not contain zinc are

• A)antidotes.
• B)supplements.
• C)probiotics.
• D)placebos.

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Definitions:

Conditioned Stimulus

A neutral stimulus that, once linked with an unconditioned stimulus, ultimately evokes a conditioned response.

Meat Powder

A term possibly referring to powdered forms of meat used in experiments or as dietary supplements, although it is not a widely recognized scientific or nutritional term.

Unconditioned Stimulus

In classical conditioning, a stimulus that innately and automatically elicits a reaction without the need for previous learning.

Stimulus Generalisation

The tendency for the conditioned response to be evoked by stimuli that are similar to the stimulus that originally evoked the response.