Human Physiology
15th Edition
ISBN: 9781259864629
Author: Fox, Stuart Ira
Publisher: Mcgraw-hill Education,
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Textbook Question
Chapter 1, Problem 7RA
Which of these statements about homeostasis is true?
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which of the following situations illustrates that a homeostatic mechanism is not operating properly?
a. acute high blood pressure
b. normalized blood glucose levels
c. dailt fluid intake equals dailty fluid output
d. all of these illustrate homestatic mechanisms operating properly
Which of the following are examples of maintaining homeostasis (more than one answer may be correct)? a. You develop diarrhea in response to contracting norovirus b. Sweating due to eating spicy food c. Kidneys removing excess fluid through urine d. Insulin is released in response to high blood sugar, causing cells to use more sugar
Below are three statements - two of which are truths and one is a lie. Which of the following statements is a lie?
Select one:
a.Some organisms have the function to be responsive only, some have the ability for movement only, but organisms are rarely found to have both functionalities.
b.Organisms that are responsive yet are not capable of moving become more prone to dangers, injuries, and eventually lead to its death.
c.If an organism has no ability to be responsive to changes in both internal and external environment despite being able to move, then the organism is most likely to be susceptible to danger or even lead to its own death.
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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- a positive-feedback system is one in which a. a variable is charged in the opposite direction to the original change that initiated the system b. a variable is changed in the same direction as the original change that initiated the system c. two opposiding variables are played against each other d. the initiating variable is always increasedarrow_forwardUsing an appropriate biological example, explain how negativefeedback mechanisms contribute to homeostasisarrow_forwardWhich of the following is true of positive feedback? a. The change is opposite that of negative feedback b. The effector turns off the response c. The change is amplified What is the difference between the answers a & b?arrow_forward
- Which of the following is not true for f negative feedback loops? A. In a negative loop, the response to the signal or stimulus decreases the original signal or stimulus. B. Negative feedback loops maintain homeostasis. C. Negative feedback loops are temporary. D. There are many more instances of negative feedback loops in the human body than positive feedback loops.arrow_forwardAn organism has to overcome stressful condition for a limited period of time. Which strategies can it adopt to do so?arrow_forwardAn organism has to overcome stressful condition for a limited period of time.Which strategies can it adopt to do so?arrow_forward
- Which of the following is a way that the body determines how much of a certain chemical, protein, enzyme, or response is needed to maintain homeostasis? A. Resource limitation, B. Feedback inhibition, C. Kickback inhibition, D. Signal looparrow_forwardPLEASE HELP! A. Homeostasis: Explain how this is a response to a changing environment: give specific examples. B. Negative feedback: explain how this works and give an example C. Positive feedback: explain how this works and give an examplearrow_forwardWhich of the following terms does A counteracting response, or being inversely proportional to the stimulus belong to? a.)Control center b.)Homeostasis c.)Stimulus-response model d.)Negative feedback e.)Positive feedback f.)Feedback modelarrow_forward
- A) Divergent Process B) Positive Feedback Process C) Negative Feedback Process D) Neutral Processarrow_forwardWhich of the following terms does The state of internal equilibrium despite external changing conditions belong to? a.)Control center b.)Homeostasis c.)Stimulus-response model d.)Negative feedback e.)Positive feedback f.)Feedback modelarrow_forwardDescribe the manner by which amplification of minor variations in initial conditions leads to emergence of patterns in the absence of a global controller? Give a possible consequence of a positive feedback and negative feedback mechanism. What is homeostatic plateau? Why is it an important consideration in understanding complex systems?arrow_forward
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