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Questions and Answers
What type of feedback loop occurs when the effector's activity increases in response to a stimulus and reinforces the initial stimulus?
What type of feedback loop occurs when the effector's activity increases in response to a stimulus and reinforces the initial stimulus?
- Reactive feedback loop
- Neutral feedback loop
- Negative feedback loop
- Positive feedback loop (correct)
Which physiological principle states that structure and function are related at all levels of organization?
Which physiological principle states that structure and function are related at all levels of organization?
- Core Principle 3: Gradients Drive Many Physiological Processes
- Core Principle 4: Cell-Cell Communication is Required to Coordinate Body Functions
- Core Principle 2: Structure and Function Are Related at All Levels of Organization (correct)
- Core Principle 1: Homeostasis Maintains Internal Stability
What type of gradient is present any time more of something exists in one area than another and the two areas are connected?
What type of gradient is present any time more of something exists in one area than another and the two areas are connected?
- Pressure gradient
- Temperature gradient
- Electrical gradient
- Concentration gradient (correct)
How does communication between cells of the body primarily occur?
How does communication between cells of the body primarily occur?
What is the main focus of anatomy?
What is the main focus of anatomy?
At which level of structural organization would you find muscle tissue and nervous tissue?
At which level of structural organization would you find muscle tissue and nervous tissue?
What is the core principle involving the maintenance of the body's stable internal environment?
What is the core principle involving the maintenance of the body's stable internal environment?
What type of feedback loop involves a change in the variable in one direction resulting in actions that cause changes in the variable in the opposite direction?
What type of feedback loop involves a change in the variable in one direction resulting in actions that cause changes in the variable in the opposite direction?
What is the study of structures with the help of a microscope?
What is the study of structures with the help of a microscope?
At which level of structural organization would you find the respiratory system, excretion system, and digestive system?
At which level of structural organization would you find the respiratory system, excretion system, and digestive system?
In which type of feedback loop does a change in the variable result in actions that amplify the change in the same direction?
In which type of feedback loop does a change in the variable result in actions that amplify the change in the same direction?
What is the core principle involving the maintenance of the body's stable internal environment?
What is the core principle involving the maintenance of the body's stable internal environment?
Which physiological principle states that structure and function are related at all levels of organization?
Which physiological principle states that structure and function are related at all levels of organization?
How does positive feedback differ from negative feedback?
How does positive feedback differ from negative feedback?
In what way do blood vessels exemplify the principle of 'form follows function'?
In what way do blood vessels exemplify the principle of 'form follows function'?
Which type of gradient is present when there is a difference in the concentration of a substance between two connected areas?
Which type of gradient is present when there is a difference in the concentration of a substance between two connected areas?
What characterizes cell-cell communication within the human body?
What characterizes cell-cell communication within the human body?
Which process characterizes a positive feedback loop?
Which process characterizes a positive feedback loop?
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