Case Study: The Mystery of the Brittle Bones Mr. Jones, a 65-year-old man, has been experiencing increasing fragility in his bones. He reports several fractures over the past few years from minor falls. A recent bone density scan revealed significantly reduced bone mass. Blood tests showed normal levels of calcium and vitamin D3. However, further analysis indicated elevated levels of parathyroid hormone and increased osteoclast activity. Histological examination of a bone biopsy showed a decrease in the thickness of the lamellae in his osteons, but the collagen fibers appeared structurally normal. The normal levels of vitamin D3 in Mr. Jones’s blood suggest that his body is likely:

Case Study: The Mystery of the Brittle Bones Mr. Jones, a 65-year-old man, has been experiencing increasing fragility in his bones. He reports several fractures over the past few years from minor falls. A recent bone density scan revealed significantly reduced bone mass. Blood tests showed normal levels of calcium and vitamin D3. However, further analysis indicated elevated levels of parathyroid hormone and increased osteoclast activity. Histological examination of a bone biopsy showed a decrease in the thickness of the lamellae in his osteons, but the collagen fibers appeared structurally normal. If Mr. Jones’s condition progresses significantly without intervention, which of the following bone types would likely be MOST affected by the overall reduction in bone mass and density?

The outer, dense layer of bone is called the:

Red bone marrow is primarily responsible for fat storage in bone.

An impacted fracture occurs when:

The term ‘superior’ means away from the head, while ‘inferior’ means toward the head.

Scenario: During exercise, a person’s muscle tissue demands more oxygen. To meet this demand, blood pressure increases, resulting in an increase in blood flow to the tissues. The body’s thermoregulatory mechanisms also kick in to maintain a stable internal temperature. Which of the following BEST describes how homeostasis is maintained in this scenario?

What are the shared values that create a common ground between viewpoints?  

In MLA style, what is the correct way to treat the title of a book, magazine, or newspaper?

When citing a source with one author and page #s in the body of your essay, which of the following is the correct format for an in-text citation?