A Group of Investigators Is Studying the Process of Bone

question 109

Multiple Choice

A group of investigators is studying the process of bone remodeling in response to steroid hormones.  Twenty adult female rats are randomly divided into 2 groups, with one group undergoing bilateral oophorectomy and the other undergoing sham laparotomy to serve as a control group.  Eight weeks after the surgery, bone samples are obtained from all animals.  Immunohistochemical evaluation shows overexpression of receptor activator of nuclear factor kappa B (RANK) on the surface of certain bone cells in the oophorectomized animals.  Which of the following is the most likely effect of the observed finding?

• A)Decreased bone mineralization
• B)Decreased osteocyte apoptosis
• C)Decreased osteoid formation
• D)Increased bone resorption
• E)Increased osteoprotegerin levels

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Definitions:

Co-Custody

A legal arrangement where two parties share the responsibility and authority to make decisions about a child's upbringing.

Economic Burdens

Economic burdens are financial strains or pressures faced by individuals, families, or societies due to various factors such as debt, unemployment, or healthcare costs.

Child Support

Financial contributions ordered by a court for the expenses associated with raising a child, typically paid by the non-custodial parent to the custodial parent.

Teenage Pregnancy

Occurs when a girl becomes pregnant during her adolescent years, often resulting in a range of socio-economic and health challenges for both mother and child.