Human Biology (MindTap Course List)
11th Edition
ISBN: 9781305112100
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Textbook Question
Chapter 4, Problem 8SQ
In______, physical and chemical aspects of the body are being kept within tolerable ranges by body are being kept within tolerable ranges by controlling mechanisms.
- a. Positive feedback
- b. Negative feedback
- c. Homeostasis
- d. metastasis
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Which of these statements about homeostasis is true? a.The internal environment is maintained absolutely constant. b.Negative feedback mechanisms act to correct deviations from a normal range within the internal environment. c.Homeostasis is maintained by turning effectors on and off. d.All of these are true.
In negative feedback,a. a change causes responses that counteract the change.b. a response to a change damages the body.c. a change produces a response that enhances the change.d. a response to a change permanently alters the body.
Homeostasis
a. is a dynamic process.
b. describes the maintenance of the internal environment of the body.
c. is essential to life.
d. All of the choices are correct.
Chapter 4 Solutions
Human Biology (MindTap Course List)
Ch. 4 - List the general characteristics of epithelium,...Ch. 4 - List the major types of connective tissues; add...Ch. 4 - Identify and describe the tissues shown below.Ch. 4 - Prob. 4RQCh. 4 - List the basic types of membranes in the body.Ch. 4 - Define the terms tissue, organ, and organ system....Ch. 4 - What are some functions of skin?Ch. 4 - Define homeostasis.Ch. 4 - What is extracellular fluid, and how does the...Ch. 4 - ________ tissues have closely linked cells and one...
Ch. 4 - Most has collagen and elastin fibers. a. muscle...Ch. 4 - __________, a specialized connective tissue, is...Ch. 4 - ______tissue detects and integrates information...Ch. 4 - _______can shorten (contract). a. Muscle tissue b....Ch. 4 - After you eat too many carbohydrates and proteins,...Ch. 4 - The bodys internal environment consists of______....Ch. 4 - In______, physical and chemical aspects of the...Ch. 4 - _______detect specific environmental changes,...Ch. 4 - Prob. 10SQCh. 4 - In people who have the genetic disorder anhidrotic...Ch. 4 - Prob. 2CTCh. 4 - The man pictured in Figure 4.17 wears skin...Ch. 4 - Prob. 4CTCh. 4 - Prob. 5CT
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- Mark the following statements as true or false. If a statement is false, correct it to make a true statement. a. Structure and function are closely related at the organ level only. b. Homeostasis is the condition of having a dynamic equilibrium of the internal environment. c. Positive feedback loops are triggered by a deviation from a homeostatic set point and are shut down when conditions return to the set point. d. The effects of negative feedback loops are amplified to create an escalating response. e. Cell-cell communication is required to coordinate the activities of the whole bodyarrow_forwardAn organ is defined as ____. Choose one: A.two or more tissues organized and capable of carrying out a specific task B.two or more tissues co-localized to one part of the body C.various tissues that perform different functions D.one or more cell types that perform specific functionsarrow_forwardThe body’s thermostat is located in the ________. a. homeostatic receptor b. hypothalamus c. medulla d. vasodilation centerarrow_forward
- Explain how the different organs health maintains homeostasis A. Skin B. Kidneys C. Lungsarrow_forwardwhich 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 properlyarrow_forwardwhich of the following statements are true about homeostasis? Select all that apply. a. The selective permeability of the cell membrane allows for thermoregulation. b. Homeostasis is an organism‘s way of maintaining constant and balanced internal processes. c. Ectotherms rely on environmental heat to maintain homeostasis. d. Homeostasis works by a system of positive feedback.arrow_forward
- 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 sugararrow_forwardIn a negative feedback mechanism,a. the output cancels the input.b. there is a fluctuation above and below the average.c. there is self-regulation.d. a regulatory center communicates with other body parts.e. All of these are correct.arrow_forwardWhen a fire is burning, a small fire leads to more fire. This is an example of: ________. Group of answer choices a. Negative feedback b. Positive feedback c. Homeostasis d. Electronegativityarrow_forward
- In physiology positive feedback ______. A is beneficial whereas negative feedback is harmful B is used frequently as it returns the body to homeostatic conditions C rushes infrequent events such as childbirth and blood clotting to completion D increases body temperature whereas negative feedback always lowers itarrow_forwardTissues are formed from ______ and are arranged together to form______.a. organs; organ systems b. cells; moleculesc. cells; organs d. molecules; cellsarrow_forward43. Which of the following is true about nervous tissue? A. It allows for movement and provides support. B. It reacts to stimuli and conducts an impulse. C. It lines the small intestines. ____ 44. The anatomical position is lying face down, arms out, palms down. A. True B. False ____ 45. The standard units of measurement in the medical community are in the metric system. A. True B. Falsearrow_forward
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