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A&P Ch1
| Question | Answer |
|---|---|
| The maintence of a stable internal enviroment, which includes a dynamic state of equilibruim. | Homeostasis |
| Stimulus: Produces change in variable (homeostasis). | 1st component of homeostasis |
| Receptor: Detects change. | 2nd component of homeostasis |
| Input: Information sent along the AFFERENT pathway to the control center. | 3rd component of homeostasis |
| Determines, analyzes and then determines the appropriate responce/ course of action. | Control Center |
| Output: Information sent along the EFFERENT pathway to the effector. | 4th component of homeostasis |
| Responce: Of the effector feeds back to reduce the effect of the stimulus and returns the variable to a homeostatic level. | 5th component of homeostasis |
| Carrying to or toward a center. | Afferent |
| Carrying away of away from. | Efferent |
| Feedback that causes the stimulus to decline/end. | Negative feedback |
| Primarily controls homeostasis in the body. | Negative feedback |
| Works like a household thermostat to shut off or reduce the intensity of the stimulus. | Negative feedback |
| Increases the original stimulus, making it worse. | Positive feedback |
| Blood clotting is an example of? | Normal positive feedback |
| Child birth is an example of? | Normal positive feedback |
| The initial reference point used to accurately describe body parts and position. | Anatomical position |
| When the body is erect with the feet parallel and the arms hanging at the sides with the palms facing forward. | Anatomical position |
| An imaginary line made through the body wall or organ to make a section is called a? | Plane |
| How many types of planes or sections of the body are there? | Three |
| The section cut lengthwise/longitudinal/vertical ,plane of the body, divides the body into right and left portions. | Sagital section (plane) |
| Specific sagital plane that lies exactly in the midline. | Midsagital (median) section |
| A longitudinal plane that divides the body or organ into anterior and posterior parts. | Frontal (coronal) plane |
| Plane that divides the body or its parts into superior and inferior portions, also called cross sections. | Transverse plane |
| Cavity that has two subdivisions, which are continuous with each other. | Dorsal body cavity |
| Space inside the bony skull. | Cranial cavity |
| Extends from the cranial cavity nearly to the end of the vertebral column. | Spinal cavity |
| Larger than the dorsal cavity and contains all of the structures within the chest and abdomen--the visceral organs. | Ventral body cavity |
| Cavity that is separated from the diaphram and contains the lungs, heart and protected by the ribcage. | Thoracic cavity |
| The region of the thoracic cavity, between the lungs. It houses the heart and the trachea. | Mediastinum |
| Cavity inferior to the diaphragm. | Abdominopelvic cavity |
| The abdominal cavity is divided into four quadrants called? | Abdominopelvic quadrants |
| A membrane that lines a cavity without an opening to the outside of the body, except for joint cavities. | Serous membrane |
| Membrane that forms the the linings of body cavities open to the exterior. | Mucous membrane |
| Where are mucous membranes found? | Digestive, respiratory, urinary and reproductive tracts |
| Where are the serous membranes found? | In the lining of the ventral body cavity, these membranes also cover the heart and lungs |
Created by:
rhiginbo
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