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Chemistry LibreTexts

10.05 Week 10 Quiz

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  • cc_profilecc.exam.v0p1qmd_assessmenttypeExaminationqmd_scoretypePercentagecc_maxattempts1
    cc_profilecc.multiple_choice.v0p1Which of the following processes results in cells losing their potential to become any type of cell?specializationdeterminationdifferentiationapoptosis2100cc_profilecc.multiple_choice.v0p1Which of the following is the most complex level of organization in a multicellular structure?organ systemscellsorganstissues5100cc_profilecc.multiple_choice.v0p1The body's internal environment must staywithin narrow ranges that support human life.the same as its external environment.exactly the same at all times.away from sudden outside temperature changes.9100cc_profilecc.multiple_choice.v0p1Internal control systems maintain homeostasis by regulating which of the following?receptors in the bodypH of body fluidsexternal conditionsthe body's control centers14100cc_profilecc.multiple_choice.v0p1Which of the following changes its level of activity in response to a message sent by a control center?targetsensorbrainreceptor17100cc_profilecc.multiple_choice.v0p1In a positive feedback loop, the body increases the rate of changetoward  set values.without ever stopping.only slightly, then stops.away from set points.24100cc_profilecc.multiple_choice.v0p1A negative feedback loop causes the body tocounteract a change.change set points.increase the rate of change.shut down a control center.25100cc_profilecc.multiple_choice.v0p1Each organ system coordinates with other organ systems throughidentical sensors and targets.their stem cells.connective and muscular tissue.chemical and nerve messages.32100cc_profilecc.multiple_choice.v0p1The long-term effects of a disruption of homeostasis includeregulation of the internal environment.the immune system takes control.destruction of organ systems.establishment of feedback mechanisms.35100cc_profilecc.multiple_choice.v0p1Which of the following organs acts as the control center in thermoregulation of the body?kidneyshypothalamuspancreasliver38100cc_profilecc.multiple_choice.v0p1What is another way of describing what happens to your body when you have a cold?immune system damagevitamin D deficiencyshort-term disruption of homeostasishomeostatic mechanism destruction43100cc_profilecc.essay.v0p1qmd_computerscoredNo<p>Identify and give an example of two organ systems working together to maintain homeostasis.</p>100cc_profilecc.essay.v0p1qmd_computerscoredNo<p>Why would a positive feedback system not be an effective way of controlling hormone levels?</p>100