Which of the Following Is True About Sickle Cell Hemoglobin

question 87

Multiple Choice

Which of the following is true about sickle cell hemoglobin?

• A) it has a single amino acid substitution in the beta chain
• B) it causes a disease that is always fatal
• C) it is found as a monomer instead of a tetramer in red blood cells
• D) it has a leucine at a position where normal hemoglobin has an isoleucine
• E) none of the choices

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Definitions:

Trust Versus Mistrust

A stage in Erik Erikson's theory of psychosocial development where an infant learns to trust their caregivers and environment or develops mistrust.

Generativity Versus Stagnation

According to Erikson, a major developmental task of later adulthood is finding meaning in one’s work, which produces a sense of generativity. Failure leads to a sense of stagnation.

Generativity

A term often used in psychology to denote a concern for establishing and guiding the next generation, typically expressed during middle adulthood.

Stagnation

Stagnation refers to a lack of development, progress, or motion, typically described in contexts such as economic, personal growth, or water movement.