Which of the Following Describes Sickle-Cell Anemia

question 3

Multiple Choice

Which of the following describes sickle-cell anemia?

• A) It is caused by a lack of protein.
• B) It is caused by a lack of iron.
• C) It causes unusually shaped red blood cells.
• D) It causes unusually shaped blood vessels.

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Definitions:

Spontaneous Recovery

The reappearance of a conditioned response after a period of rest and with no further conditioning, often observed in behavioral psychology.

Extinction

The diminishing of a conditioned response; occurs in classical conditioning when an unconditioned stimulus (US) does not follow a conditioned stimulus (CS); occurs in operant conditioning when a response is no longer reinforced.

Conditioned Stimulus

A stimulus that, through association with an unconditioned stimulus, comes to elicit a response similar to the response to the unconditioned stimulus.

Conditioned Response

A learned reaction to a specific stimulus as a result of conditioning.