Physiological Mechanisms and Subdisciplines Quiz

Why does shivering occur when a person is cold?

To regulate and increase body temperature

What is the main focus of physiology?

Understanding the functions of living things

What is the importance of homeostasis to organisms?

It helps maintain a stable internal environment

Which term refers to the ability of living organisms to keep their internal environment stable?

Homeostasis Signup and view all the answers

What do physiologists primarily study?

The functions of living organisms Signup and view all the answers

In physiology, what is closely related to the study of anatomy?

Physiology Signup and view all the answers

What is the main focus of cell and molecular physiologists?

Researching molecular genetics and signal transduction at the cellular level Signup and view all the answers

Which subdiscipline of physiology investigates how cells and tissues interact to carry out specific responsibilities within the whole animal?

Systems physiologists Signup and view all the answers

What do ecological/environmental physiologists primarily study?

How physiological properties of an animal influence species distribution/abundance Signup and view all the answers

Which category of physiologists focuses on understanding physiological processes across multiple physiological systems?

Integrative physiologists Signup and view all the answers

What is the primary concern of evolutionary physiologists?

How specific physiological traits arise within lineages over generations Signup and view all the answers

At what level does a molecule in the membrane that encloses a cell exist?

Cellular Level Signup and view all the answers

Which of the following is NOT a component of the feedback system that maintains homeostasis?

An external factor that triggers the response Signup and view all the answers

Which statement best describes the concept of a set point in homeostasis?

It is the optimal level at which a variable is maintained. Signup and view all the answers

In the example of the husband and wife sharing a bed, their actions represent which type of feedback loop?

Positive feedback Signup and view all the answers

Which of the following is NOT a function of the nervous and endocrine systems in maintaining homeostasis?

Providing energy for the feedback mechanisms Signup and view all the answers

Which of the following statements accurately describes the relationship between cells, body systems, and homeostasis?

Cells are the basic units that make up body systems, and homeostasis ensures their survival. Signup and view all the answers

In the context of physiological processes, what is the primary role of positive feedback loops?

To amplify and reinforce a specific change Signup and view all the answers