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A 59-year-old man with a known history of gout presents for follow-up. He reports swelling around his big toes and elbows. On physical exam, you note firm, irregular nodules over the extensor surfaces of the elbows and at the first metatarsophalangeal joints. The nodules are non-tender, hard, and chalky white in appearance. Which phase of gout is this patient most likely experiencing?

Henry is a 15-year-old athlete who presents with anterior knee pain that has been intermittent over the past 2 to 3 months. The pain worsens with stair use and improves with rest. He denies systemic symptoms such as fever or weight loss. On examination, there is localized tenderness and swelling over the tibial tuberosity. There is no joint effusion. What is the most likely diagnosis?  

A 45-year-old athlete presents with a gradual onset of pain over the lateral aspect of her right elbow. She reports the pain is worse with gripping objects or performing activities that involve wrist extension, such as lifting a pan or shaking hands. On examination, there is point tenderness over the lateral epicondyle, and pain is reproduced with resisted wrist extension. Which of the following is the most likely diagnosis?

In 10.6, how did federal housing policies, such as those implemented by the FHA, contribute to racial inequality?

In 10.7, how did the concept of “whiteness” evolve in suburban Los Angeles during the postwar era?

Which of the following ions binds to Troponin during muscle contraction? 

A unit of muscle contraction in myofibrils is 

A monopoly   takes the market price as given and earns small but positive profits can set the price it charges for its output but faces a downward-sloping demand curve so it cannot earn unlimited profits can set the price it charges for its output but faces a horizontal demand curve so it can earn unlimited profits can set the price it charges for its output and earn unlimited profits

In which type of market is advertising the most important? Monopolistic competition oligopoly       monopoly        perfect competition

Suppose that a small county is considering adding a guard rail to a dangerous curve by a river. The guard rail will cost $70,000. The average damage done to vehicles that slide off the road at the curve is $10,000. It is expected that the guard rail will prevent 5 vehicles from sliding off the road during its usable life. What should the county do? Install the guard rail because safety is priceless Install the guard rail because the benefits exceed the costs Do not install the guard rail because the costs exceed the benefits Do not install the guard rail at any cost because drivers can purchase private insurance for their vehicles