Suppose the environment in which a population was living changed in some way and the new conditions were much more harmful to homozygous dominant individuals and to heterozygotes than to homozygous recessive? What would happen to p and q as the years went by? If this selective pressure against homozygous […]

Carl Casill is a 75 year old male with chronic bronchitis has a barrel chest and cyanosis of the lips and fingers. His pulse oximeter reads 86% oxygenation on room air. His PaO2 is 54 mm Hg. His PaCO2 is 56 mm Hg.He is put on low-flow oxygen but complains […]

Question: Description of the pathophysiology of osteoarthritis and rheumatoid arthritis, including the similarities and differences between the disorders. Then explain how the factors you selected might impact the pathophysiology of the disorders, as well as the diagnosis of treatment for the disorders. To prepare: Review Chapter 37 in the Huether […]

Endocrinology(Addison’s Disease) A 45-year-old male from the Midwest presented with the following symptoms during February: weakness, fatigue, orthostatic hypotension, weight loss, dehydration, and decreased cold tolerance. His blood chemistry values follow:    Serum sodium 128 mEq/L    Serum potassium 6.3 mEq/L    Fasting blood glucose 65 mg/dL    Serum creatinine 0.5 mg/dL Hematology […]