WGU D115 Unit 7 Questions & Answers/ (Top 2024/2025 EXAM REVIEW PAPERS / GRADED A+/ 100% Accurate)

WGU D115 Unit 7 Questions & Answers What is needed for osteoclast actiation -RANKL What leads to primary osteoporosis -alterations in RANKL/OPG system lead to dysregulation Type IX collagen does what -The glue that holds together the type two collagen acaffold of articular cartliage osteosarcoma looks like what -most common malignant primary bone tumor. Has a moth eaten pattern of bone destruction. Giant cells in myelogenic tumors affect what gender more often -females what is the hallmark of the OA process -Loss of proteoglycans from the articular cartilage what is chronic fatigue syndrome -(Myalgic encephalomyelitis)- a debilitating and complex disorder characterized by profound fatigue, musculoskeletal pain, cognitive impairment, unrefreshing sleep, impaired neurologic energy production, and immune impairments. what layer of the skin has langerhans-cells with dendritic processes and immune function - epidermis what is a vesicle -elevated, superficial, filled with serous fluid, less than 1cm. Ex-herpes, varicella what is a bulla -vesicle greater than 1cm- Ex- blister what are telangictasias -fine, irregular red lines produced by capillary dilation Which type of collagen provides the scaffolding of articular cartilage? -Collagen IX is the collagen, or scaffolding, that holds articular cartilage in place. What is the term for a chronic inflammatory joint disease characterized by stiffening and fusion of the spine and sacroiliac joints? -Ankylosing spondylitis is the result of chronic inflammation in the spine and sacroiliac joints resulting in stiffening and fusion of