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Chemistry LibreTexts

9.1 Unit 9 Exam

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  • cc_profilecc.exam.v0p1qmd_assessmenttypeExaminationqmd_scoretypePercentagecc_maxattempts1
    cc_profilecc.true_false.v0p1A muscle fiber is composed of filaments called <u>sarcomeres</u>. TrueFalse2100cc_profilecc.true_false.v0p1A person with <u>type AB</u> blood can donate blood to a person with any blood type. TrueFalse4100cc_profilecc.true_false.v0p1<u>Proteins</u> are the body’s main source of fuel. TrueFalse6100cc_profilecc.true_false.v0p1The <u>rectum</u> is the final section of the digestive tract. TrueFalse7100cc_profilecc.true_false.v0p1The <u>sympathetic division</u> of the autonomic nervous system decreases blood pressure, heart rate, and breathing rate. TrueFalse10100cc_profilecc.true_false.v0p1The <u>peripheral nervous system</u> carries all the messages back and forth between the central nervous system and the rest of the body. TrueFalse11100cc_profilecc.true_false.v0p1<u>Sensory neurons</u> carry information from the central nervous system to muscles and other organs. TrueFalse14100cc_profilecc.true_false.v0p1Blood is carried through the body in <u>blood vessels</u>. TrueFalse15100cc_profilecc.true_false.v0p1Bile is produced in the <u>pancreas</u>. TrueFalse18100cc_profilecc.true_false.v0p1The <u>appendicular</u> skeleton forms the central axis of the body. TrueFalse20100cc_profilecc.multiple_choice.v0p1Cells in the body that can divide repeatedly and become other types of cells are calledstem cells.embryo cells.connective cells.reproductive cells.21100cc_profilecc.multiple_choice.v0p1The layer of cells that protects the body from dehydration is calledepithelial tissue.connective tissue.muscle tissue.nerve tissue.25100cc_profilecc.multiple_choice.v0p1The origin of a muscleis on the same end of the muscle as the located on a bone that moves when the muscle contracts.does not move when the muscle attached to the bone by a ligament.31100cc_profilecc.multiple_choice.v0p1If homeostasis were disrupted, all of the following would occur <i>except</i>body temperature would not be maintained.strenuous physical activity would be difficult.enzymes would be inactivated.the heart would immediately stop pumping blood.36100cc_profilecc.multiple_choice.v0p1Smooth muscles can be foundattached to the the wrist the knee internal organs.40100cc_profilecc.multiple_choice.v0p1When the diaphragm and rib cage muscles relax,the chest cavity enlarges.inhalation occurs.exhalation is impossible to breathe.43100cc_profilecc.multiple_choice.v0p1Most of the body’s energy needs should be supplied by dietarycarbohydrates.fats.vitamins.proteins.45100cc_profilecc.multiple_choice.v0p1The villi of the small intestine allow for an increase in the rate ofnutrient absorption.cellulose digestion.acid production.bile production.49100cc_profilecc.multiple_choice.v0p1ureter : urinary bladder ::urinary bladder : ureterurethra : urinary bladderurinary bladder : urethraurethra : ureter55100cc_profilecc.multiple_choice.v0p1Sensory neurons transmit messagesfrom the central nervous system to a muscle or gland.from the brain to the spinal the spinal cord or brain.within the brain.59100cc_profilecc.multiple_choice.v0p1A reflex is all of the following <i>except</i>a sudden, involuntary movement.not under conscious control.not learned in response to a stimulus.under the control of the brain.64100cc_profilecc.multiple_choice.v0p1Sensory receptors essential for balance are located in theeyes.eardrum.cochlea of the inner ear.semicircular canals.68100cc_profilecc.multiple_choice.v0p1The spinal cord is linked to the peripheral nervous system throughspinal nerves.the thalamus.interneurons.sensory neurons.69100cc_profilecc.multiple_choice.v0p1The autonomic nervous system controlsreflexes.voluntary movement.involuntary functions of the internal organs.locomotion.75100cc_profilecc.multiple_choice.v0p1Hormones function so well to maintain homeostasis mainly becausethe chemical reactions they cause occur in brain cells.the body requires them for digesting food.they cause specific responses in specific cells.they act faster than nerve impulses.79100cc_profilecc.multiple_choice.v0p1The skin repels pathogens byfunctioning as a barrier.producing antibodies.producing white blood cells.releasing histamine. 81100cc_profilecc.multiple_choice.v0p1The redness and swelling associated with an inflammatory response is caused bysecretion of antibodies.increased blood flow to local blood vessels.complement activity.natural killer cells destroying bacteria.86100cc_profilecc.multiple_choice.v0p1All of the following are white blood cells that are involved in immune responses <i>except</i>B cells.T cells.macrophages.interferons.92100cc_profilecc.multiple_choice.v0p1The first portion of the small intestine is thecolon.esophagus.duodenum.rectum.95100cc_profilecc.multiple_choice.v0p1Bile, which emulsifies fat globules, is produced by thepancreas.gallbladder.liver.duodenum.99100cc_profilecc.multiple_choice.v0p1The kidneys play a major role in maintainingthe proper breathing rate.the proper glucose levels in the blood.homeostasis by removing urea, water, and other wastes from the blood.the concentration of digestive enzymes in the blood.103100cc_profilecc.multiple_choice.v0p1Compact bone contains tightly packedosteocytes.peritoneal marrow cells.yellow marrow cells.105100cc_profilecc.multiple_choice.v0p1The skin performs all of the following <i>except</i>protection.sensation of heat.control of body temperature.production of gametes.112100cc_profilecc.multiple_choice.v0p1If no embryo arrives after the uterus has prepared to receive it,the birth of the baby will occur later than the usual nine months.the lining of the uterus stays intact in preparation for another embryo.the lining of the uterus is expelled from the body in menstrual blood.the egg will be returned to the ovaries.115100cc_profilecc.essay.v0p1qmd_computerscoredNoList the three types of muscle tissue, and give the function of each.100cc_profilecc.essay.v0p1qmd_computerscoredNoWhat are the three primary layers of the skin, and what does each layer do?100cc_profilecc.essay.v0p1qmd_computerscoredNo<p>Sam wants to build muscle so he can compete better on the wrestling team. He decides to eat a diet of mostly meat and fruit juices. Within a week he is constipated. What probably happened, and how can he correct the situation?</p>100