Which of the Following Prenatal Tests Can Be Performed Earliest

question 56

Multiple Choice

Which of the following prenatal tests can be performed earliest in a pregnancy?

• A) amniocentesis
• B) obstetric sonography
• C) fetoscopy
• D) chorionic villus sampling
• E) preimplantation genetic diagnosis

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Definitions:

Poisson Distribution

A probability distribution that models the number of times an event occurs in a fixed interval of time or space when these events occur with a known constant mean rate and independently of the time since the last event.

Nuclear Power Plant

A facility that uses nuclear reactions to generate heat, which is then used to produce electricity.

Probability

A measure of the likelihood that an event will occur, often expressed as a number between 0 and 1.

Poisson Random Variable

A type of discrete random variable that expresses the probability of a given number of events occurring in a fixed interval of time or space.