The Anterior Region of a Tapeworm,which Bears Hooks and Suckers

question 17

Multiple Choice

The anterior region of a tapeworm,which bears hooks and suckers for attachment to the intestinal wall of the host,is termed the

• A)cnidocyte.
• B)flame cell.
• C)hermaphrodite.
• D)scolex.
• E)proglottid.

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Definitions:

Unconditioned Stimulus

A stimulus that naturally and automatically triggers a response without any prior learning.

Unconditioned Response

The natural, reflexive response elicited by an unconditioned stimulus without prior learning or conditioning.

Conditioned Stimulus

A previously neutral stimulus that, after becoming associated with an unconditioned stimulus, evokes a conditioned response.

Conditioned Stimulus

A previously neutral stimulus that, after association with an unconditioned stimulus, elicits a conditioned response.