Nature of negative feedback control

Reference no: EM1381455

Jennifer has the "stomach flu" that is going around campus and has been vomiting profusely for the past 24 hours. Not only has she been unable to keep down fluids or food but she has also lost the acidic digestive juices secreted by the stomach that are normally reabsorbed back into the blood farther down the digestive tract. In what ways might this condition threaten to disrupt homeostasis in Jennifer's internal environment? That is, what homeostatically maintained factors are moved away from normal by her profuse vomiting what body systems respond to resist these changes.
Considering the nature of negative-feedback control and the function of the respiratory system, what effect do you predict that a decrease in CO2 in the internal environment would have on how rapidly and deeply a person breathes?
Given that most AIDS victims die from overwhelming infections or rare types of cancer, what body system do you think HIV (the AIDS virus) impairs?
Body temperature is homeostatic ally regulated around a set point. Given your knowledge of negative feedback and homeostatic control system, predict whether narrowing or widening of the blood vessels of the skin will occur when a person exercises strenuously.
A 37-year old woman is admitted to the hospital after complaining of chest pains. She admits to having had severe headaches for several days prior to seeking medical help. She is also taking medications for high blood pressure and is four months pregnant. Which medical imaging procedures listed in your text would be the best choice of a physician attempting to determine her condition? (Assume all equipment is available and there are unlimited funds to cover costs incurred.)

Reference no: EM1381455

Questions Cloud

Raising downton wombats : Assume that you are increasing Downton wombats, carefully because they bite when teased. You notice that some of your wombats have white spots, whereas others have solid coats.

Sketch hierarchy chart and draw logic for program : Sketch the hierarchy chart and draw the logic for program which comprises housekeeping, detail loop and end-of-job modules and which computes service charge customers.

Important genetic question : In wild pigs, the allele for black fur is dominant over the allele for brown fur. A black wild pig is crossed with a brown wild pig, producing five F1 black wild pigs and six F1 brown wild pigs.

Securities and exchange commission use good judment : Did the U.S. attorneys and the securities and exchange commission use good judment in in-dicting Martha Stewart? Do you belive that her indictment was based on evidence of a serious crime

Nature of negative feedback control : Jennifer has the stomach flu that is going around campus and has been vomiting profusely for the past twenty-four hours. Not only has she been unable to keep down fluids or food.

Difference between efficiency and effectiveness : Critically discuss the difference between efficiency and effectiveness? What are some real organizations that are efficient and effective? Why?

Airlines lose thousands of checked bags every day : Airlines lose thousands of checked bags every day, and America South Airlines is no exception to the industry rule. Over the past 6 weeks, the number of bags "misplaced" on America South flights has been 18, 10, 4, 6, 12, and 10

Riverside oil company in eastern kentucky produces : Riverside oil company in eastern Kentucky produces 3 different grades of gasoline. They are regular, premium, and supreme grades. Each barrel of regular grade sells for $82 while premium grade sells for $88 per barrel and supreme grade sells for $..

Arab influence on the development of anatomy and physiology : Analyze the contributions of select scientists from the Greek and Roman period. Explain the Arab influence on the development of anatomy and physiology.

User Account

All Pages