1. Introduction to A&P

Homeostasis

Homeostasis and Negative/Positive Feedback


release of glucagon to increase a lower-than-normal level of glucose in the blood



This is an example of negative feedback.



labor contractions causing the release of oxytocin, which results in an increase in the quantity of labor contractions



shivering to generate heat when body temperature is below normal



release of insulin to decrease a high level of glucose in the blood



Which of the following is an example of positive feedback?



breathing rate increasing as a result of exercise



A person who has become ill is said to be out of homeostasis. In other words, he or she is suffering from a homeostatic imbalance.



heart rate increasing as a result of exercise



Which of the following is an example of a homeostatic imbalance?


Positive and Negative Feedback Loops 

Label Homeostatic Control System

Homeostasis and Negative Feedback Mechanisms


Blood clotting is a normal response to a break in the lining of a blood vessel, and it is an excellent example of an essential body function controlled by positive feedback.



Which of the following is an example of a positive feedback mechanism?


Homeostasis: Regulating Blood Sugar


Positive feedback is not part of homeostatic control systems.<b> </b>



Positive feedback is not part of homeostatic control systems.



Which of the following is NOT one of the three components of homeostatic control systems?



blood clotting when the lining of a blood vessel is injured



decreased urine production when the blood pressure drops



This is an example of a negative feedback system.



sweating to help lower elevated body temperature



an increased respiratory rate when blood pH is elevated



Which of the following events is NOT the result of a negative feedback mechanism?



The variable changes in a direction opposite to that of the initial change.



In positive feedback mechanisms, the result or response enhances the original stimulus so that the response is accelerated.



The result or response enhances the original stimulus, and the response is accelerated.



The output shuts off the original stimulus or reduces its intensity.



They mostly function to keep blood chemicals within narrow ranges.



Which of the following is true of positive feedback mechanisms?



The nervous and endocrine systems control all changes in the body.



Which two systems monitor the body for homeostasis?


Learn the toughest concepts covered in Anatomy & Physiology 1&2 with step-by-step video tutorials and practice problems by world-class tutors



Anatomy & Physiology

https://static.studychannel.pearsonprd.tech/courses/anp/thumbnails/anp

#FFFFFF

Dr Matt & Dr Mike

Whats Up Dude

Amoeba Sisters

2. Chemistry

3. Cells

4. Tissues

5. Integumentary System

6. Bones + Skeletal Tissues

7. Skeletal System

8. Joints

9. Muscles and Muscle Tissue

10. Muscular System

11. Nervous Tissue

12. Central Nervous System

13. Peripheral Nervous System

14. Autonomic Nervous System

15. Special Senses

16. Endocrine System

17. Blood

18. Cardiovascular System: the Heart

19. Cardiovascular System: Blood Vessels

20. Lymphatic System

21. Immune System

22. Respiratory System

23. Digestive System

24. Nutrition, Metabolism, Energy Balance

25. Urinary System

26. Fluid and Electrolyte Balance, Acid Base Balance

27. Reproductive System

28. Pregnancy and Human Development

29. Heredity

undefined - Channels

Anatomical Terms

Body Cavities

Anatomy, physiology and their subdivisions

Definition of Terms

Structural hierarchy

Organ Systems

Body Organization

General Chemistry

Jules

Study the key concepts of Physics with descriptive videos, questions, and more

Physics

Patrick

General Biology

Jason

Financial Accounting

Brian

Dive deep into Psychology with videos, practice problems, and more.

Psychology

Microeconomics

The first in a two-course sequence introduces the basic structure and functions of the human body

College Algebra covers algebraic topics and skills necessary to succeed in college-level math

College Algebra

Organic Chemistry

Johnny

Genetics

Kylia

GOB Chemistry

Microbiology

Cell Biology

Analytical Chemistry

Study topics incliding trogonometric functions, identities and equations, solutions of triangles, complex numbers, and other topics as time permits

Trigonometry

Learn the toughest concepts covered in Precalculus with step-by-step video tutorials and practice problems by world-class tutors

Precalculus

Biochemistry

Macroeconomics

Chemistry

Biology

Math

Business

Social Sciences

Michelle Barry Franco

Building Great Presentations

Eric Zackrison, PhD

Critical Thinking And Problem Solving

Sam Bennett

Embracing Times Of Uncertainty

Nicole Tetreault, PhD

Emotional Intelligence Basics

Eugene Choi, PharmD

Enhancing Your Critical Thinking Skills

Jason Richardson, PsyD

Habits To Win Every Day

Alyssa Lowery, PhD

Having Powerful Advanced Conversations

Don Gilman, EdD

How To Influence & Persuade

Amy Matthews

Leadership Skills For Rising Stars

Listening To Lead

Michael Shermer, PhD

Making Decisions Under Uncertainty

Lynne Hurdle

Mistakes To Avoid When Resolving Conflict

Michael Veltri

Overcoming Decision Making Traps

Mike Vardy

Prioritizing Effectively

Secrets Of Effective Prioritization

Strategies To Build Up Your Creativity

Tools For Decision Making

Tutti Taygerly

Unleash And Advance Your Creativity

Winning Collaboration: How To Work More Effectively With Different Personalities

Writing Emails People Want To Read

Critical Thinking

Self Management

Digital Literacy

Collaboration

Communication

Analytical Thinking

Leadership

Flexibility/Adaptability

Innovation

Eric Zackrison

Nicole Tetreault

Dive deep into Python with videos and more.

Introduction to Python

Arianne Dee

Agile Project and Product Management

Agile & Product Management

Mariya Breyther 

Introduction to Microsoft Power BI

Microsoft Power BI

Chris Sorensen

Data Analysis Fundamentals with Excel

Data Analysis - Excel

Chris Sorensen & Ammul Shergill

Getting Started with  and Cryptocurrency

Introduction to Blockchain

George Levy

Learn Enough HTML, CSS and Layout to be Dangerous

HTML, CSS & Layout

Lee Donahoe & Michael Hartl

Learn Enough JavaScript to be Dangerous: A Tutorial Introduction to Programming with JavaScript