Human Physiology
15th Edition
ISBN: 9781259864629
Author: Fox, Stuart Ira
Publisher: Mcgraw-hill Education,
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Question
Chapter 1, Problem 24RA
Summary Introduction
To analyze:
The set point of body temperature between 36.6℃ and 37.7℃.
Introduction:
Setpoint is a range within which a system is programmed to function optimally. The average value of a set point is the mean of highest and lowest values. In normal conditions, the human body has a temperature of 37℃ as the average set point.
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Chapter 1 Solutions
Human Physiology
Ch. 1 - How has the study of physiology aided, and been...Ch. 1 - Describe the steps involved in the scientific...Ch. 1 - Describe the different types of trials a new drug...Ch. 1 - Define homeostasis and describe how this concept...Ch. 1 - Define negative feedback and explain how it....Ch. 1 - Prob. 4CPCh. 1 - Explain how the secretion of a hormone is...Ch. 1 - List the four primary tissues and describe the...Ch. 1 - Compare and contrast the three types of muscle...Ch. 1 - Describe the different types of epithelial...
Ch. 1 - Prob. 7aCPCh. 1 - Describe the different types of connective tissues...Ch. 1 - State the location of each type of primary tissue...Ch. 1 - Describe the functions of nervous, muscle, and...Ch. 1 - Describe the functions of the epidermis and...Ch. 1 - Prob. 9CPCh. 1 - Glands are derived from...Ch. 1 - Cells joined tightly together are characteristic...Ch. 1 - Cells are separated by large extracellular spaces...Ch. 1 - Blood vessels and nerves are usually located...Ch. 1 - Most organs are composed of...Ch. 1 - Sweat is secreted by exocrine glands. This means...Ch. 1 - Which of these statements about homeostasis is...Ch. 1 - In a negative feedback loop, the effector produces...Ch. 1 - A hormone called parathyroid hormone acts to help...Ch. 1 - Which of these consists of dense parallel...Ch. 1 - Prob. 11RACh. 1 - Prob. 12RACh. 1 - Describe the structure of the various epithelial...Ch. 1 - Compare bone, blood, and the dermis of the skin in...Ch. 1 - Describe the role of antagonistic negative...Ch. 1 - Using insulin as an example, explain how the...Ch. 1 - Describe the steps in the development of...Ch. 1 - Why is Claude Bernard considered the father of...Ch. 1 - Prob. 19RACh. 1 - Prob. 20RACh. 1 - Why are interactions between the body-fluid...Ch. 1 - Prob. 22RACh. 1 - Give examples of adult stem cells and explain...Ch. 1 - Prob. 24RACh. 1 - Prob. 25RACh. 1 - Prob. 26RA
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- At what Fahrenheit core body temperature will an adult lose consciousness? 87.8 82.4 85.2 56.7arrow_forwardDuring the course of a 24-hour period, at what time(s) is a human's body temperature greatest? During the course of a 24-hour period, at what time (s) is human's body temperature least? What theoremo did you use?arrow_forwardFrom the following statements, which is true?arrow_forward
- Describe the steps in the homeostatic feedback system activated to ensure normal body temperature is maintained when exposed to a hot external temperature (e.g., 42 degrees Celsius). Give typing answer with explanation and conclusionarrow_forward11.1 Investigate the value of temperature for the following items. Write a brief report discussing how these values are used in their respective areas. a. What is a normal body temperature? b. What is the temperature range that clini-cally is referred to as fever?c. What is a normal surface temperature of your body? Is this value constant?d. What is a comfortable room temperature range? What is its significance in terms of human thermal comfort? What is the role of humidity?e. What is the operating temperature range of the freezer in a household refrigerator?arrow_forwardGiven the following information calculate the concentration of caffeine for the blank, standards 1-7, and the sample....arrow_forward
- Define absolute temperature (T)arrow_forwardCompare the results for body temperature to results for the body color and perspiration level. Explain how the observed changes of each parameter are interrelated.arrow_forwardHe reasons that a liter (about a quart) of water weighs 1000 g, whichis equivalent to 580,000 cal, or 580 kcal, of heat when lost as sweat.Therefore, instead of reducing his diet by 580 kcal/day, he believesthat losing a liter of sweat every day in the sauna will cause him tolose about a pound of fat a week. Will this approach work? Explain.arrow_forward
- Evaporation of sweat requires energy and thus take excess heat away from the body. Some of the water that you drink may eventually be converted into sweat and evaporate. If you drink a 20-ounce bottle of water that had been inthe refrigerator at 3.8 °C, how much heat is needed to convert all of that water into sweat and then to vapor?? (Note: Your body temperature is 36.6 °C. For the purpose of solving this problem, assume that the thermal properties of sweat are the same as for water.)arrow_forwardTo estimate drug dosages, doctors use a patient’s body surface area (BSA)(in meters squared) using the formula BSA = √hm/60, where h is the height in centimeters and m is the mass in kilograms. Calculate the rate of change of BSA with respect to height for a person of constant mass m = 80 kg. Express answer in correct units.arrow_forwardBy the way, if the average body density is 62 lbs/ft3, what does it mean (in terms of fat vs. muscle) if your body density is less than 62 lbs/ft3? What if it is more than 62 lbs/ft3?arrow_forward
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