Which of the Following Observations Led to the Discovery of Vitamin

question 31

Multiple Choice

Which of the following observations led to the discovery of vitamin A?

• A) Chickens fed polished rice developed paralysis.
• B) Children who regularly ate fish rarely developed a form of blindness common among children who did not eat fish.
• C) Impoverished people eating a very low-quality diet were at high risk for developing pellagra.
• D) Sailors on long sea voyages developed scurvy.

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Definitions:

Learned Helplessness

A psychological state in which an individual perceives themselves as powerless, often in the wake of a traumatic happening or continuous failures.

Type A Personality

A personality type characterized by high levels of competitiveness, self-imposed stress, and a constant sense of urgency.

External Locus of Control

The belief that outcomes in one’s life are largely influenced by external forces or luck rather than one’s own efforts.

Immediate Gratification

Describes the desire to experience pleasure or fulfillment without delay or deferment.