Which of the Following Prenatal Diagnostic Tests Is Used During

question 42

Multiple Choice

Which of the following prenatal diagnostic tests is used during amniocentesis to locate the precise point for drawing a sample?

• A)Maternal blood screening
• B)Noninvasive prenatal diagnosis
• C)Chorionic villus sampling
• D)Ultrasound sonography

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Definitions:

Calcitonin

A hormone secreted by the thyroid gland that rapidly lowers the calcium content in the blood.

Oxytocin

Hormone secreted by the hypothalamus and released by the posterior lobe of the pituitary gland; stimulates contraction of the pregnant uterus and the ducts of mammary glands.

Suprachiasmatic Nucleus

Main biological clock; located in the hypothalamus. Important in setting circadian rhythms.

Pineal Gland

Endocrine gland located in the brain.