The Nurse Is Researching a Drug Recently Released on the Market

question 4

Multiple Choice

The nurse is researching a drug recently released on the market to determine what the median lethal dose (LD₅₀) was in preclinical trials.The nurse recognizes that this number reflects which fact?

• A)The dose at which 50% of the research animals died
• B)A measurement of the potency of the drug
• C)The value of relative safety of the drug
• D)The dose that produced signs of toxicity in 50% of lab animals

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Definitions:

Centration

The cognitive tendency in young children to focus on one aspect of a situation while neglecting others, often observed in preoperational stage of Piaget's theory of cognitive development.

Problem Solving

The process of identifying a challenge and finding an effective solution for it.

Cognitive Development

The process by which individuals acquire and evolve their thinking abilities, including perception, logic, memory, and language.

Conservation

The preservation and protection of natural resources, environments, and wildlife.