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Chemistry LibreTexts

11.05 Week 11 Quiz

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  • cc_profilecc.exam.v0p1qmd_assessmenttypeExaminationqmd_scoretypePercentagecc_maxattempts1
    cc_profilecc.multiple_choice.v0p1What is the connective tissue that cushions your bones and enables smooth movements of the skeletal system?ligamentspongy bonemusclecartilage4100cc_profilecc.multiple_choice.v0p1Which bone is part of your axial skeleton?thigh bonebreastboneankle bonefinger bone6100cc_profilecc.multiple_choice.v0p1What is true of all joints?They occur where two bones meet.They provide limited movement.They include a ligament.They provide a place for muscle to attach.9100cc_profilecc.multiple_choice.v0p1Skeletal muscle is attached to bones byactin fibers.tendons.filaments.myofibrils.14100cc_profilecc.multiple_choice.v0p1Which characteristic describes smooth muscle?found in the intestinesunder voluntary controlhas multi-nucleated cellsuses a great deal of ATP17100cc_profilecc.multiple_choice.v0p1What is the term that describes the unit of a muscle cell that contains all of the structures necessary to cause contraction?sarcomereCa<sub>2</sub><sup>+</sup> ionfilamentmyofibril21100cc_profilecc.multiple_choice.v0p1Which best describes the role of myosin during muscle contraction?loosens proteinsbinds Ca<sub>2</sub><sup>+</sup> ionspulls the M linegrabs the actin28100cc_profilecc.multiple_choice.v0p1Which is an example of how your integumentary system helps you to maintain homeostasis?by producing sweat to cool your bodyby pushing waste through the intestinesby regulating production of blood cellsby delivering unbound calcium to the bones29100cc_profilecc.multiple_choice.v0p1The epidermis layer of your skin containssweat follicles.nerves.dead skin cells.36100cc_profilecc.multiple_choice.v0p1Which of the following is an example of how melanin protects the skin?by building up in thick layersby stopping fungi from growingby absorbing harmful UV raysby allowing the skin to stretch39100cc_profilecc.multiple_choice.v0p1Which of these structures is found in the dermis?sweat and oil glandsprimarily dead cellskeratin and melanininsulating fat layers41100cc_profilecc.essay.v0p1qmd_computerscoredNo<p>Name one common problem of the skin, describe the problem and the underlying cause of the problem.</p>100cc_profilecc.essay.v0p1qmd_computerscoredNo<p>How does hair help shed water?</p>100