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1. Marlene has had lymph nodes removed from her armpit. Why would removal of lymph nodes cause swelling in her hand and arm? 2. Is lymph more similar to blood plasma or to interstitial fluid? Explain your answer. 3. (fill in the blank) Fluid from the legs passes through lymphatic […]

In one day the average person secretes about 2.5 litres of gastric juice into the stomach. The pH of the cells in the stomach lining that perform the secretion is about 7 (the same as for all cells) and the pH of the stomach is about 1. Thus, H+ ions […]

Cholesterol is a structural component of cell membranes. Amount of cholesterol present can affect membrane stability and permeability. What is the role of cholesterol in a membrane? 1 A membrane that needs to be more rigid and more permeable, would have high cholesterol ratios. 2 Membranes with high amounts of cholesterol […]

Female Body Builder: A 29 yr old female with 8 yrs of resistance training experience was evaluated with Dual-Energy Xray Absorptiometry (iDEXA) for body composition and bone mineral density at 20 weeks prior to competition. She was apparently healthy, working 45 hours per week, and taking Ortho-Novum (birth control) as her […]