13.06 Week 13 Quiz

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cc_profilecc.multiple_choice.v0p1Which of the following actions increases the volume of your lungs?The diaphragm flattens and moves downward.The rib cage becomes smaller.Air pressure increases inside the lungs.Gases move from areas of lower pressure.1100cc_profilecc.multiple_choice.v0p1The huge surface area in the lungs where Otrachea.bronchi.alveoli.bronchioles.7100cc_profilecc.multiple_choice.v0p1The blood in veins isleaving the lungs.moving in single file.carrying oxygen.traveling to the heart.12100cc_profilecc.multiple_choice.v0p1Blood is carried to and from the cells of the body by thearteries.capillaries.muscles.veins.14100cc_profilecc.multiple_choice.v0p1Oxygen inhaled into the alveoli diffuses into thecapillaries.arteries.adjacent alveoli.bronchioles.17100cc_profilecc.multiple_choice.v0p1The nervous system regulates breathing byoverriding signals during exercise.monitoring dissolved gases in the blood.maintaining a constant rate of inhalation.constricting the blood vessels in the lungs.22100cc_profilecc.multiple_choice.v0p1How does asthma affect the structures of the lungs?It causes the bronchioles to constrict.It destroys alveoli over time.It makes the lungs produce mucus.It relaxes the diaphragm too much.25100cc_profilecc.multiple_choice.v0p1Why does CO<sub>2</sub> diffuse from the blood into the alveoli?<img width="28" height="26" align="middle" alt="mc008-1.jpg" src="$IMS-CC-FILEBASE$../resources/mc008-1_5769a10d01ca2.jpg" border="0"> concentration is higher in the blood than in the alveoli.The brain signals the alveoli to absorb <img width="28" height="26" align="middle" alt="mc008-2.jpg" src="$IMS-CC-FILEBASE$../resources/mc008-2_5769a10d1954c.jpg" border="0">.When <img width="18" height="26" align="middle" alt="mc008-3.jpg" src="$IMS-CC-FILEBASE$../resources/mc008-3_5769a10d2818d.jpg" border="0"> leaves the blood, another gas must replace it.There is not enough hemoglobin to carry the <img width="28" height="26" align="middle" alt="mc008-4.jpg" src="$IMS-CC-FILEBASE$../resources/mc008-4_5769a10d37067.jpg" border="0">.29100cc_profilecc.multiple_choice.v0p1Pulmonary circulation occurs only between the heart and theorgans.lungs.brain.limbs.34100cc_profilecc.multiple_choice.v0p1A pulmonary vein differs from most veins in that it carriestwice as much blood.its own blood supply.oxygen-rich blood.more carbon dioxide39100cc_profilecc.multiple_choice.v0p1Materials can diffuse into and out of blood in the capillaries because the capillarybeds are near the heart.fibers are very elastic.walls are very thin.muscles act as pumps.43100cc_profilecc.multiple_choice.v0p1Permanently high blood pressure is calledstroke.atherosclerosis.hypertension.arteriosclerosis.47100cc_profilecc.multiple_choice.v0p1A clear, pale-yellow fluid that makes up more than half of the blood is known asplasma.platelets.white blood cells.red blood cells.49100cc_profilecc.multiple_choice.v0p1The primary function of red blood cells is toingest microorganisms.produce proteins.form blood clots.transport <img width="18" height="26" align="middle" alt="mc014-1.jpg" src="$IMS-CC-FILEBASE$../resources/mc014-1_5769a10d49dfd.jpg" border="0"> and <img width="28" height="26" align="middle" alt="mc014-2.jpg" src="$IMS-CC-FILEBASE$../resources/mc014-2_5769a10d5ada9.jpg" border="0">.56100cc_profilecc.multiple_choice.v0p1What is the function of white blood cells?to help fight pathogens and destroy foreign materialsto convert fibrin to fibrinogen when a blood vessel is tornto carry <img width="28" height="26" align="middle" alt="mc015-1.jpg" src="$IMS-CC-FILEBASE$../resources/mc015-1_5769a10d6a244.jpg" border="0"> from the cells to the lungsto collect lymph from between the cells57100cc_profilecc.multiple_choice.v0p1If you have neither the A nor the B protein marker in your blood, your blood is likely to be TypeABABO64100cc_profilecc.multiple_choice.v0p1To help seal a wound, platelets release proteins calledsurface protein markers.Rh factors.immune proteins.clotting factors.68100cc_profilecc.multiple_choice.v0p1The lymphatic system empties lymph back into the circulatory systemby way of valves.at lymph nodes.through two veins.between cells.71100cc_profilecc.multiple_choice.v0p1Which of these structures of the lymphatic system helps to develop lymphocytes?the tonsilsthe thymusthe lymph nodesthe lymph vessels74100cc_profilecc.multiple_choice.v0p1How do lymphocytes help the body?They produce clotting factors.They filter and clean the lymph.They destroy foreign organisms.They reduce swelling in the nodes.79100