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- Homeostasis is mostly about: A. being the same as everybody else B. The body maintaining a steady state C. The body reproducing D. changing over time due to age1. Explain the three components of homeostatic control. Also, compare and contrast negative vs. positive feedback mechanisms and give an example of each type and explain.17. The term homeostasis attempts to convey two major ideas about physiology. Briefly describe these two distinct ideas.
- After doing a balancing act, how can your body maintain homeostasis? What factors can cause the body's homeostasis to be disrupted?Homeostasis can be defined in which of the following ways: using the least amount of energy maintaining a stable internal environment within narrow limits regardless of environmental changes O maintenance of a static state with no deviation from predetermined set points a dynamic state within an unlimited range, depending on circumstances O more than one of the above Next » « PreviousTwo systems most responsible for maintaining homeostasis are the...
- Which component of a homeostatic control mechanism would the life function "responsiveness" be best associated with? O effector O gland O receptor O muscle none of the above Next ► « PreviousWhich of the following statement(s) about homeostasis is incorrect? a. it is a dynamic state of equilibriumb. despite continuous external changes, it maintains a relatively stable internal environmentc. controlled by nervous and endocrine systems via nerve impulses and hormones, respectivelyd. all of the abovee. none of the above1. Explain the physiologic processes involved in homeostatic regulation of temperature, pulse, respirations, and blood pressure.
- body temperature falls normal body temperature Feedback: body temperature falls Feedback: body temperature rises body temperature rises vasoconstriction Response: Vasodilation Normal body temperature FACY AS SPARENT O ICH AE EDUATE ATIO Response: Vasoconstriction vasodilation Stimulus: Increase in Body Temperature Stimulus: Decrease in Body Temperature UNSelect the statement that best describes the primary function of the body system. 1. The Skeletal System a. generates force to move the bodyb. defends against infection and disease and returns fluid to bloodc. breaks down food and absorbs nutrientsd. delivers oxygen and removes wastese. filters the blood and regulates wastesf. contains control center for sensory, motor and higher intellectual functionsg. barricades body from outside organismsh. regulates hormonal secretioni. exchanges gas to obtain oxygen and balances pHj. protects organs, stores calcium and allows movement 2. The Immune and Lymphatic Systemsa. generates force to move the bodyb. defends against infection and disease and returns fluid to bloodc. breaks down food and absorbs nutrientsd. delivers oxygen and removes wastese. filters the blood and regulates wastesf. contains control center for sensory, motor and higher intellectual functionsg. barricades body from outside organismsh. regulates hormonal secretioni. exchanges…2. Which of the following variables do our bodies regulate? A. Salt concentration in blood B. Glucose concentration in blood C. Body temperature D. All answers are correct 3. Which of the following is an example of positive feedback to indirectly maintain homeostasis? A. the chemical reactions involved in blood clotting B. your blood vessels dilate and you begin to sweat in response to elevated body temperature C. your biood vessels constrict and you begin to shiver in response to low body temperature D. your coach compliments you on your performance in practice