In the condition known as atherosclerosis, a deposit or atheroma forms on the arteral wall and reduces the openin through which blood can flow. in the carotid artery in the neck, blood flows ten times faster through a partially blocked region than it does through an unobstructed region. determine the ratio of effective radii of the artery at the two places

Sally, age 3 months, has a moist, red, vesicular rash on her cheeks, the backs of her hands, and her arms. her mother said sally was constantly trying to scratch the rash and often has difficulty sleeping. her father has a family history of allergic rhinitis and asthma. discussion questions. 1. review atrophic dermatitis from chapter 3 and discuss the pathophysiology of sally’s symptoms. 2. why is the father’s medical history significant, and what can sally expect as she grows up? 3. discuss the need to limit scratching, and describe practical methods to achieve this.