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Questions and Answers
What does physiology primarily investigate?
What does physiology primarily investigate?
- The processes and functions of living things (correct)
- The chemical composition of body fluids
- The structure of different organs
- The spatial arrangement of muscles
Which system in the body maintains a relatively constant internal environment?
Which system in the body maintains a relatively constant internal environment?
- Endocrine system
- Homeostatic system (correct)
- Digestive system
- Nervous system
What is the primary focus of anatomy?
What is the primary focus of anatomy?
- Processes of living things
- The body's response to stimuli
- Chemical interactions within cells
- Structure of the body (correct)
When a physiological variable deviates from its normal range and triggers a counter response, what is this process called?
When a physiological variable deviates from its normal range and triggers a counter response, what is this process called?
What term describes a response that increases the change in a variable?
What term describes a response that increases the change in a variable?
Which of the following best describes an effector in the feedback system?
Which of the following best describes an effector in the feedback system?
In which region of the body would you find the liver?
In which region of the body would you find the liver?
Which of the following anatomy terms describes a position that is closer to the midline of the body?
Which of the following anatomy terms describes a position that is closer to the midline of the body?
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Study Notes
Anatomy and Physiology
- Anatomy focuses on the structure of the body, while physiology examines the functions and processes of living organisms.
Homeostasis
- Homeostasis is the maintenance of a relatively constant internal environment within the body.
- It regulates most systems to counteract changes in variables and return to a set point.
- The feedback mechanism can either mitigate changes (negative feedback) or amplify them (positive feedback).
Body Temperature Regulation
- A high temperature triggers sweating, while low temperatures can lead to hypothermia.
- Body temperature regulation is vital to prevent hyperthermia and maintain optimal function.
Anatomical Position
- The anatomical position is characterized by the body standing erect, facing forward, with feet together and palms facing forward.
Anatomical Terminology
- Sagittal Plane: Divides the body into left and right parts.
- Frontal Plane: Divides the body into anterior (front) and posterior (back) sections.
- Transverse Plane: Divides the body into superior (upper) and inferior (lower) parts.
Body Regions and Organs
- Liver: Located in the Right Upper Quadrant (RUQ).
- Spleen: Found in the Left Upper Quadrant (LUQ).
- Urinary Bladder: Positioned in the Right Lower Quadrant (RLQ) and Left Lower Quadrant (LLQ).
- Stomach: Located in the Left Upper Quadrant (LUQ).
- Small Intestine: Primarily found in the LLQ.
- Ovaries: Present in both RLQ and LLQ.
- Large Intestine: Distributed throughout.
- Gallbladder: Located in the RUQ.
- Appendix: Located in the RLQ.
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