You are getting very sleepy. You can barely keep your eyes open. Your eyelids are so heavy they feel like lead weights. Before you know it, your face gently falls onto your Physiology book and you are fast asleep. As you sleep, the heater in your room turns on and the temperature starts to rise. The change in your core temperature is detected by that send signals to a(n) which decides whether to make a change to maintain . In this case it decides to lower your temperature and sends a signal to that increase sweating. This action successfully lowers your temperature back to normal and demonstrates the process of .

Mr. wayne is a 38-year-old man with a significant history of elevated cholesterol levels. his father died at age 42 from a massive heart attack secondary to elevated cholesterol and triglycerides, and two of his older siblings are currently taking medications to lower their cholesterol levels. mr. wayne makes an appointment to discuss his risk for hypercholesterolemia. the nurse recognizes that mr. wayne is at risk for familial hypercholesterolemia because this is an autoomal dominant inherited condition. a. describe the pattern of autosomal dominant inheritance. b. mr. wayne asks what chance his children have of developing familial hypercholesterolemia. how should the nurse respond? c. explain the phenomenon of penetrance observed in autosomal dominant inheritance.