HUMAN BIOLOGY
16th Edition
ISBN: 9781260233032
Author: Mader
Publisher: RENT MCG
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Textbook Question
Chapter 4, Problem 15A
Which of the following allows rapid change in one direction but does not achieve stability?
a. homeostasis
b. positive feedback
c. negative feedback
d. All of these are correct.
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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.
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.
A) Divergent Process
B) Positive Feedback Process
C) Negative Feedback Process
D) Neutral Process
Chapter 4 Solutions
HUMAN BIOLOGY
Ch. 4.1 - Understand where tissues relate in the biological...Ch. 4.1 - Prob. 2LOCh. 4.1 - Prob. 1CYPCh. 4.1 - Distinguish between muscular tissue and nervous...Ch. 4.1 - Distinguish between connective tissue and...Ch. 4.2 - Prob. 1LOCh. 4.2 - Prob. 2LOCh. 4.2 - Prob. 3LOCh. 4.2 - Describe the three general categories of...Ch. 4.2 - Explain the difference in the composition of the...
Ch. 4.2 - Prob. 3CYPCh. 4.3 - Distinguish among the three types of muscles with...Ch. 4.3 - Explain the difference in the structure and...Ch. 4.3 - Describe where each type of muscle fiber is found...Ch. 4.3 - Explain why smooth muscle and cardiac muscle are...Ch. 4.4 - Prob. 1LOCh. 4.4 - Describe the structure of a neuron.Ch. 4.4 - Prob. 1CYPCh. 4.4 - Prob. 2CYPCh. 4.5 - Prob. 1LOCh. 4.5 - Prob. 2LOCh. 4.5 - Prob. 1CYPCh. 4.5 - Prob. 2CYPCh. 4.5 - Summarize how the structure of some epithelial...Ch. 4.6 - Prob. 1LOCh. 4.6 - Prob. 2LOCh. 4.6 - Prob. 3LOCh. 4.6 - Prob. 1CYPCh. 4.6 - Prob. 2CYPCh. 4.6 - Prob. 3CYPCh. 4.6 - What area of the slain would likely be the hardest...Ch. 4.6 - Prob. 2BTSCh. 4.7 - Summarize the function of each organ system in the...Ch. 4.7 - Prob. 2LOCh. 4.7 - Prob. 3LOCh. 4.7 - Prob. 1CYPCh. 4.7 - Prob. 2CYPCh. 4.7 - Prob. 3CYPCh. 4.8 - Prob. 1LOCh. 4.8 - Prob. 2LOCh. 4.8 - Summarize how the body systems contribute to...Ch. 4 - Prob. 1ACh. 4 - Prob. 2ACh. 4 - Prob. 3ACh. 4 - Prob. 4ACh. 4 - Prob. 5ACh. 4 - Prob. 6ACh. 4 - Prob. 7ACh. 4 - Prob. 8ACh. 4 - Prob. 9ACh. 4 - Prob. 10ACh. 4 - Prob. 11ACh. 4 - 12. Keratinization of epithelial cells occurs in...Ch. 4 - Prob. 13ACh. 4 - Prob. 14ACh. 4 - Which of the following allows rapid change in one...Ch. 4 - Prob. 16ACh. 4 - Prob. 1TCCh. 4 - What accessory structures and tissues are damaged...Ch. 4 - Prob. 3TCCh. 4 - Prob. 4TCCh. 4 - Which structures in the dermis will have the...Ch. 4 - Prob. 6TC
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- When faced with a sudden drop in environmental temperature, an endothermic animal will _______. a. experience a drop in its body temperature b. wait to see if it goes lower c. increase muscle activity to generate heat d. add fur or fat to increase insulationarrow_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_forwardWhat does negative feedback do? a. It establishes a set point. b. It changes the set point. c. It eliminates the set point. d. It reduces discrepancies from a set point.arrow_forward
- Which of the following statements best describes homeostasis? a. Keeping the body in a fixed and unaltered state b. Dynamic equilibrium c. Maintaining a near-constant internal environment d. Altering the external environment to accommodate the body's needsarrow_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 these is an example of negative feedback?a. Air conditioning switches off when room temperature lowers.b. Insulin decreases blood sugar levels after eating a meal.c. Heart rate increases when blood pressure drops.d. All of these are examples of negative feedback.arrow_forward
- Explain the concept of a homeostatic loop; what is the difference between positive and negative feedback?arrow_forwardWhat could happen due to a failure in homeostasis? Select one: a. The accumulation of waste products. b. The loss of excess water from the body. c. Maintaining excess levels of sugar in the body. d. All of the above are potential outcomes of failure of homeostasis.arrow_forwardIn 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.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_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_forward
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