Which of the Following Is True About Spongiform Encephalopathies

question 24

Multiple Choice

Which of the following is true about spongiform encephalopathies?

• A) Spongiform encephalopathies occur in a wide variety of mammals, but the infectious prions are species specific and do not cause disease in other species.
• B) Spontaneous cases of Creuztfeldt- Jakob disease may be caused by mutations during cell division in neuronal stem cells.
• C) The disease is tied to a normal cellular prion protein (PrPC) that is found mostly on the surface of neurons.
• D) When the normal prion protein encounters an abnormally shaped version of itself, PrPSC, the normal prion's shape is changed and it becomes an infectious PrPSC.
• E) Abnormal prions clump together and kill the affected neurons, which accounts for the spongelike appearance of brain tissue found in TSE autopsies.

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Definitions:

Kohlberg's Theory

A theory developed by Lawrence Kohlberg that outlines the stages of moral development in individuals, from basic understanding of rules to higher levels of ethical reasoning.

Moral Development

The process through which individuals evolve in their understanding of moral concepts, progressing through various stages of moral reasoning.

Piaget's Theory

Piaget's Theory proposes that cognitive development in children occurs through a series of stages, focusing on how children actively construct their understanding of the world through experience and interaction.

Heinz Dilemma

A classic moral dilemma used in psychology to explore moral reasoning, where an individual must choose between obeying the law and saving a life.