Meeting Vitamin B₁₂ Needs from the Diet Is Especially Difficult

question 41

Multiple Choice

Meeting vitamin B₁₂ needs from the diet is especially difficult for:

• A)athletes undergoing rigorous training.
• B)infants.
• C)vegans.
• D)pregnant women.

---

Definitions:

Extinction

In the field of psychology, the slow reduction and final fading of a learned response occurs when the conditioned stimulus isn't combined with the unconditioned stimulus anymore.

Pavlov

Refers to Ivan Pavlov, a Russian physiologist known for his work on classical conditioning, particularly involving the conditioned response of dogs to stimuli.

Tone

In communication, tone refers to the attitude or emotional nuance conveyed in speech or written text.

Classical Conditioning

Gaining knowledge by forming associations between stimuli from the environment and those that are naturally occurring.