HUMAN PHYSIO W/ APR & PHILS (LL) PKG
15th Edition
ISBN: 9781265382353
Author: Fox
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Question
Chapter 1, Problem 19RA
Summary Introduction
To review:
The consequences of maintenance of physiological regulatory mechanisms by positive feedback rather than by negative feedback.
Introduction:
The feedback mechanism in biology allows the living organism to respond against the changes in the surroundings. Feedback loops can either increase or decrease the change. If an output amplifies the change in a system producing it, it is called a positive feedback loop. If an output reduces the input then it is known as a negative feedback loop.
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13) What are some other examples of positive feedback loops in the human body?
Distinguish between positive and negative feedback loops. Which mechanisms is generally good for human beings and why?
How can a malfunction in a negative feedback mechanism lead to the death of an organism?
Chapter 1 Solutions
HUMAN PHYSIO W/ APR & PHILS (LL) PKG
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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- What processes would you consider essential for maintaining life?arrow_forwardWhich of the following is NOT true about the mechanics of cellular circadian clocks? 1. Timeless gene encodes for TIM, which is the master clock regulator by destableizing the PER protein each morning 2. CLK and CYC regulate the transcription of the Period gene 3. Doubletime (DBT) delays the accumulation of the PER protein in the cytoplasm 4. The CRY protein is primarily responsible for entrainment.arrow_forwardHow does the knowledge of cellular processes help make us personal choices about exercise and diet?arrow_forward
- What is the control and regulate the life process?arrow_forwardYou are now ready to complete the first task about Choices in Biology. In this Activity you have collected details about the consequences of a heavy metal pollutant on human health. You have also identified a cellular biotechnology that uses a microorganism in removing it. Your task is to research one heavy metal endocrine disruptor or heavy metal neurotoxin that affects humans. Using good Self-Regulation skills, you may choose to research the same heavy metal you have been describing in this Activity. Alternatively, review some of the other heavy metals from the class discussion. You may find that the effect of the heavy metal you can describe the best is not the first one you began researching. As you continue your research, keep track of your sources. The important details to collect are: What is the environmental source of the heavy metal? What are the symptoms of being exposed to this heavy metal endocrine disruptor or heavy metal neurotoxin? What gland, hormone or neuronal…arrow_forwardexplain in in a great detail the positive feedback loop and negative feedback loop in this picturearrow_forward
- All of the following are examples of normal negative feedback loops, EXCEPT: OA) pH regulation B) BP regulation C) blood glucose regulation OD) temperature regulation E) regulation of contractions during laborarrow_forwardAside from the ones already discussed about childbirth and blood pressure give another example of the feedback mechanism in the human body.Explain your answer briefly by filling out Table B. Table A is given as a patternarrow_forward37. Which of the following normal physiologic processes uses a positive feedback loop? Group of answer choices regulation of fluid balance temperature regulation childbirth blood pressure regulationarrow_forward
- Imagine that you've lived until the ripe old age of 99 years old. While your stomach cells are 3 days old, you skill cells are 42 days old, how old would your neurons might be? 3 minutes old 3 days old 3 weeks old 42 days old 99 years oldarrow_forwardWhat does it mean to be a multicellular organism?arrow_forward7. Draw a diagram that shows how the parts of a negative feedback loop interact. (Don't describe a particular example of negative feedback. Try to generalize.) Include set-point, stimulus, sensor, control center, effector, and response in your drawing. Show the direction of response as well.arrow_forward
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