WGU D115 OA EXAM WIT H 100

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WGU D115 OA EXAM WIT H 100%

CORRECT ANSWERS

Question : What is the most common indication for

genetic counseling?

• maternal age
• drug exposure during the first trimester?
• Increased maternal alpha-fetoprotein
• history of previous still birth

Correct answer: A) maternal age

The largest group of women who benefit from genetic counseling are those over the age of 35

Question : The FNP schedules a 38-year-old

primigravida (first time pregnancy) for an amniocentesis at 16 weeks gestation. The FNP would explain that the purpose of this procedure is

to:

• Assess for the possibility of twins

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• Deterime the biliruben level
• Perform genetic studies
• Assess L/S ratio

Correct answer: C) Perform genetic studies

This womans age puts her at risk for Down Syndrome

Question : In the most commonly seen form of

Turner Syndrome, how is the X chromosome affected?

• Each cell has only one X chromosome?
• Some cells have two X chromsomes, while the

other cells have only one.

• Each cell has two X chromsomes, but part of the

chromosome is missing.

• Each cell has an extra X chromosome

Correct answer: A) Each cell has only one X

chromsome

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45% of persons with Turner Syndrome have monosomy X meaning there is only one copy of the X chromosome in each cell.

Question : The FNP is assessing a newborn who is

demonstrating a high-pitched cry, microcephaly, hypertelorism, hypotonia, and a low birth weight.The FNP would suspect which of the following genetic conditions?

• Down Syndrome
• Cri du chat
• Charge syndrome
• Duncan disease

Correct answer: B) Cri du chat

The clinical symptoms of cri du chat syndrome usually include a high-pitched cat-like cry, mental retardation, delayed development, distinctive facial features, small head size (microcephaly), widely-

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spaced eyes (hypertelorism), low birth weight and weak muscle tone (hypotonia) in infancy.

Question : When explaining the types of adaptive

immunity, the FNP student is aware that:

• Adaptive immunity is a cell-mediated immune

response which is

• Adaptive immunity is the level of immunity that

all persons are born with.

• Adaptive immunity occurs when antibodies are

passed from the mother to the fetus.

• Adaptive immunity occurs through

immunization.

Correct answer: A) Adaptive immunity is a cell-

mediated immune response which is carried out by T cells and B cells.

There are two types of adaptive immunity responses:

the cell-mediated immune response, which is carried out by T cells, and the humoral immune response,