Perspiration, known more commonly as sweating, is an autonomic bodily response that decreases body temperature. During perspiration, the skin will secrete sweat that will ther- moregulate body tissues in certain conditions. Evaporation of sweat from the skin surface has a cooling effect due to evaporative cooling. In addition, the blood vessels will increase in diameter via a process called vasodilation, which will bring them closer to the skin and allow heat to more easily dissipate from the body. 3 increased blood temperature identified by central receptors vasodilation of peripheral vessels and skin arterioles to transfer more heat to the skin surface 5 A diagram of thermoregulation in the human body. (2) hypothalamus receives input and activates SNS response heat leaves the body and blood temperature lowers Respond to each part in 2 to 3 complete sentences. activation of sweat glands to begin sweating (a) Identify the type of feedback loop presented in the diagram. Justify your response. (b) Identify the effect of the inhibition of vasodilation on sweating.

6) Consider the mechanism of net NaCl secretion across an epithelium shown below (in attachment) What provides the driving force for Cl- entry through the basolateral membrane into cell?

Histamine is released in allergic reactions and commonly causes tissue swelling , therefore histamine's affect on the blood vessels are to : vasodilate vasoconstrict

16. Identify each event found below as a homeostatic response or not a homeostaticresponse. Remember to give the rational for each response. a) A marathon runner is sweating as she completes 10 km of a 20 km race b) Children at a party enjoy eating the chocolate cookies and finish everything on theplate.

In the medical field, we encounter multiple medical emergencies on a daily basis. After reading Chapter 8 you should recognize the following as some examples of common medical emergencies: shock, wounds, burns, musculoskeletal injuries, heat- and cold-related illnesses, poisoning, snake bites, sudden illness, cerebral vascular accidents, and heart attacks. Question A: List and describe the common types of shock, then explain which one you consider to be the worst type of shock and why. Typically, wounds can be classified in two different groups: open and closed. Regarding closed wounds: Question B: What does it mean to RICE or MICE it? And when can you use these? Regarding open wounds: Question C: Choose 3 different types of open wounds and describe them. Most burns are caused by either heat, chemicals, explosions, or electricity. Question D: Describe the first-, second-, and third-degree burn classifications. Question E: List and describe the different types of fractures. The…

A person in liver failure is deficient in large proteins usually found in the plasma. Whatwill happen to fluid in the extracellular space (interstitial space)? Why? How will thisaffect the appearance of the patient?

As fish is cooked, the tissue changes from a soft consistency to a firm one. A similar change takes place when fish is pickled by soaking it in vinegar (acetic acid). In fact, some people prepare fish for eating by pickling instead of cooking. Propose an explanation why the two processes give somewhat similar results.

Nitroglycerin has its positive cardiovascular effect by stimulating the production of which increased O CAMP: vasodilation O CGMP; vasodilation O DAG; Ca+2 release to cardiac cells DAG; cardiac cell growth CAMP; cardiac cell growth

A friend tells you that he died in an accident, but was revived. What is the maximum amount of time your friend might have been clinically dead before he was revived?         1 minute         6 minutes         15 minutes         20 minutes

A marathon is being held in your city, but the day of the event turns out to be unbearably hot. Even if there are water stations scattered around the course, a couple of runners almost collapse. How are their bodies responding to the internal and external changes they are experiencing because of the hot weather?