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10,500 | NDQ_007815 | heart and blood vessels | __event in which blood supply to the heart is blocked so cardiac muscle cells die | null | null | Multiple Choice | a. a.right atrium, b. b.pacemaker, c. c.left ventricle, d. d.heart attack, e. e.right ventricle, f. f.left atrium, g. g.coronary heart disease | d |
10,501 | NDQ_007816 | heart and blood vessels | Which factors are associated with an increased risk of cardiovascular diseases? | null | null | Multiple Choice | a. older age, b. female gender, c. low blood pressure, d. two of the above | a |
10,502 | NDQ_007818 | heart and blood vessels | __chamber of the heart that pumps blood out of the heart to the lungs | null | null | Multiple Choice | a. a.right atrium, b. b.pacemaker, c. c.left ventricle, d. d.heart attack, e. e.right ventricle, f. f.left atrium, g. g.coronary heart disease | e |
10,503 | NDQ_007820 | heart and blood vessels | __cluster of cells in the heart that control contractions of cardiac muscles | null | null | Multiple Choice | a. a.right atrium, b. b.pacemaker, c. c.left ventricle, d. d.heart attack, e. e.right ventricle, f. f.left atrium, g. g.coronary heart disease | b |
10,504 | NDQ_007828 | heart and blood vessels | Blood in the pulmonary circulation passes through the right and left atria. | null | null | Multiple Choice | a. true, b. false | a |
10,505 | NDQ_007829 | heart and blood vessels | Each time the heart beats, the ventricles contract first, followed by the atria. | null | null | Multiple Choice | a. true, b. false | b |
10,506 | NDQ_007831 | heart and blood vessels | Veins must have muscular walls to withstand the pressure of blood pumped by the heart. | null | null | Multiple Choice | a. true, b. false | b |
10,507 | NDQ_007834 | heart and blood vessels | Arteries generally carry oxygen-rich blood. | null | null | Multiple Choice | a. true, b. false | a |
10,508 | NDQ_007835 | heart and blood vessels | When blood vessels dilate, it increases the amount of blood they can carry. | null | null | Multiple Choice | a. true, b. false | a |
10,509 | NDQ_007836 | heart and blood vessels | Blood in an atrium always flows next to | null | null | Multiple Choice | a. a ventricle., b. an artery., c. the lungs., d. a vein. | a |
10,510 | NDQ_007837 | heart and blood vessels | In the pulmonary circulation, blood flows through the | null | null | Multiple Choice | a. right atrium., b. right ventricle., c. lungs., d. all of the above | d |
10,511 | NDQ_007838 | heart and blood vessels | The pacemaker controls the beating of the heart with | null | null | Multiple Choice | a. enzymes., b. hormones., c. electrical signals., d. valves. | c |
10,512 | NDQ_007839 | heart and blood vessels | Tissues that make up blood vessels include | null | null | Multiple Choice | a. muscle tissues., b. connective tissues., c. epithelial tissues., d. all of the above | d |
10,513 | NDQ_007840 | heart and blood vessels | Muscular blood vessels that generally carry oxygen-rich blood are | null | null | Multiple Choice | a. veins., b. arteries., c. capillaries., d. venules. | b |
10,514 | NDQ_007841 | heart and blood vessels | The largest vein in the body is the | null | null | Multiple Choice | a. aorta., b. arteriole., c. inferior vena cava., d. none of the above | c |
10,515 | NDQ_007842 | heart and blood vessels | Which statement about capillaries is false? | null | null | Multiple Choice | a. The walls of capillaries may be just one cell thick., b. Capillaries connect arterioles and venules., c. The exchange of substances between cells and the blood takes place across capillary walls., d. Capillaries contain valves to prevent the backflow of blood. | d |
10,516 | NDQ_007843 | heart and blood vessels | Blood flows through the heart in two paths | null | null | Multiple Choice | a. true, b. false | a |
10,517 | NDQ_007844 | heart and blood vessels | A valve prevents blood from flowing from a ventricle to an atrium. | null | null | Multiple Choice | a. true, b. false | a |
10,518 | NDQ_007845 | heart and blood vessels | The systemic circulation includes the right atrium and right ventricle. | null | null | Multiple Choice | a. true, b. false | b |
10,519 | NDQ_007846 | heart and blood vessels | The aorta is a large blood vessel that carries blood to the heart. | null | null | Multiple Choice | a. true, b. false | b |
10,520 | NDQ_007847 | heart and blood vessels | Veins have thicker walls than arteries. | null | null | Multiple Choice | a. true, b. false | b |
10,521 | NDQ_007848 | heart and blood vessels | One way that blood vessels help maintain homeostasis is by dilating or constricting. | null | null | Multiple Choice | a. true, b. false | a |
10,522 | NDQ_007849 | heart and blood vessels | The leading cause of cardiovascular disease is atherosclerosis. | null | null | Multiple Choice | a. true, b. false | a |
10,523 | NDQ_007850 | blood | Blood plasma is a | null | null | Multiple Choice | a. chemical that helps blood clot., b. golden-yellow liquid in blood., c. disorder in which the blood lacks oxygen., d. protein carried by red blood cells. | b |
10,524 | NDQ_007851 | blood | Plasma carries dissolved substances such as glucose and proteins. | null | null | Multiple Choice | a. true, b. false | a |
10,525 | NDQ_007852 | blood | There are more white blood cells than red blood cells in normal blood. | null | null | Multiple Choice | a. true, b. false | b |
10,526 | NDQ_007853 | blood | Which statement about red blood cells is false? | null | null | Multiple Choice | a. They are spherical in shape., b. There are trillions of them in normal blood., c. They contain iron., d. none of the above | a |
10,527 | NDQ_007854 | blood | What are phagocytes? | null | null | Multiple Choice | a. cell fragments that form blood clots, b. white blood cells that engulf microorganisms, c. proteins that bind with oxygen in the blood, d. molecules that determine blood type | b |
10,528 | NDQ_007855 | blood | Phagocytes are cells that help form blood clots. | null | null | Multiple Choice | a. true, b. false | b |
10,529 | NDQ_007856 | blood | The main function of blood is transport. | null | null | Multiple Choice | a. true, b. false | a |
10,530 | NDQ_007857 | blood | All of the following are normal functions of blood except | null | null | Multiple Choice | a. controlling the bodys pH., b. repairing body tissues., c. helping regulate body temperature., d. causing agglutination. | d |
10,531 | NDQ_007858 | blood | Your ABO blood type is controlled by genes you get from your parents. | null | null | Multiple Choice | a. true, b. false | a |
10,532 | NDQ_007859 | blood | Which disease of the blood is a form of cancer? | null | null | Multiple Choice | a. hemophilia, b. anemia, c. leukemia, d. sickle-cell disease | c |
10,533 | NDQ_007861 | blood | One cause of anemia is lack of iron in the diet. | null | null | Multiple Choice | a. true, b. false | a |
10,534 | NDQ_007863 | blood | Hemophilia is more common in females than in males. | null | null | Multiple Choice | a. true, b. false | b |
10,535 | NDQ_007864 | blood | __solid mass of cell fragments and other substances that plugs a leak in a blood vessel | null | null | Multiple Choice | a. a.blood type, b. b.hemophilia, c. c.sickle-cell disease, d. d.blood clot, e. e.anemia, f. f.platelet, g. g.leukemia | d |
10,536 | NDQ_007867 | blood | __condition in which blood does not have enough hemoglobin (or iron) to carry adequate oxygen to | null | null | Multiple Choice | a. a.blood type, b. b.hemophilia, c. c.sickle-cell disease, d. d.blood clot, e. e.anemia, f. f.platelet, g. g.leukemia | e |
10,537 | NDQ_007869 | blood | __type of cancer in which bone marrow produces abnormal white blood cells | null | null | Multiple Choice | a. a.blood type, b. b.hemophilia, c. c.sickle-cell disease, d. d.blood clot, e. e.anemia, f. f.platelet, g. g.leukemia | g |
10,538 | NDQ_007870 | blood | __genetic disorder in which abnormal hemoglobin causes red blood cells to change shape | null | null | Multiple Choice | a. a.blood type, b. b.hemophilia, c. c.sickle-cell disease, d. d.blood clot, e. e.anemia, f. f.platelet, g. g.leukemia | c |
10,539 | NDQ_007871 | blood | The cardiovascular system normally contains about 2.5 liters of blood. | null | null | Multiple Choice | a. true, b. false | b |
10,540 | NDQ_007872 | blood | Antigens on your red blood cells determine your blood type. | null | null | Multiple Choice | a. true, b. false | a |
10,541 | NDQ_007873 | blood | __small, sticky cell fragment that helps blood clot | null | null | Multiple Choice | a. a.blood type, b. b.hemophilia, c. c.sickle-cell disease, d. d.blood clot, e. e.anemia, f. f.platelet, g. g.leukemia | f |
10,542 | NDQ_007874 | blood | Dissolved substances in blood include red and white blood cells. | null | null | Multiple Choice | a. true, b. false | b |
10,543 | NDQ_007875 | blood | __classification of an individuals blood based on its red blood cell antigens | null | null | Multiple Choice | a. a.blood type, b. b.hemophilia, c. c.sickle-cell disease, d. d.blood clot, e. e.anemia, f. f.platelet, g. g.leukemia | a |
10,544 | NDQ_007876 | blood | __genetic disorder in which blood is lacking a normal clotting factor | null | null | Multiple Choice | a. a.blood type, b. b.hemophilia, c. c.sickle-cell disease, d. d.blood clot, e. e.anemia, f. f.platelet, g. g.leukemia | b |
10,545 | NDQ_007877 | blood | One cause of anemia is excessive loss of blood due to injury or surgery. | null | null | Multiple Choice | a. true, b. false | a |
10,546 | NDQ_007878 | blood | Blood in veins carries oxygen and nutrients to all the cells of the body. | null | null | Multiple Choice | a. true, b. false | b |
10,547 | NDQ_007879 | blood | How much blood does your cardiovascular system normally contain? | null | null | Multiple Choice | a. 3.54.0 liters, b. 4.55.0 liters, c. 5.56.0 liters, d. 6.57.0 liters | b |
10,548 | NDQ_007880 | blood | Blood consists of | null | null | Multiple Choice | a. plasma., b. cells and cell fragments., c. dissolved substances., d. all of the above | d |
10,549 | NDQ_007881 | blood | How does blood carry oxygen molecules? | null | null | Multiple Choice | a. Iron in hemoglobin binds with them., b. White blood cells engulf them., c. Platelets stick to them., d. none of the above | a |
10,550 | NDQ_007882 | blood | What does blood in veins carry? | null | null | Multiple Choice | a. oxygen, b. carbon dioxide, c. cellular wastes, d. two of the above | d |
10,551 | NDQ_007883 | blood | Which genotype produces blood type A? | null | null | Multiple Choice | a. AO, b. AB, c. OO, d. none of the above | a |
10,552 | NDQ_007884 | blood | The blood of a person with leukemia cannot | null | null | Multiple Choice | a. carry enough oxygen., b. fight infections., c. clot normally., d. two of the above | b |
10,553 | NDQ_007885 | blood | A person with sickle-cell hemoglobin is resistant to | null | null | Multiple Choice | a. blood clots., b. heart disease., c. malaria., d. hemophilia. | c |
10,554 | NDQ_007893 | the respiratory system | When you inhale, air passes from your pharynx to your | null | null | Multiple Choice | a. bronchioles., b. trachea., c. larynx., d. bronchi. | c |
10,555 | NDQ_007896 | the respiratory system | When you exhale, why does carbon dioxide diffuse from the blood into the air in the lungs? | null | null | Multiple Choice | a. Carbon dioxide is more concentrated in the blood than in the air., b. Carbon dioxide is forced out of the blood by blood pressure., c. Carbon dioxide is pushed out of the blood by the diaphragm., d. none of the above | a |
10,556 | NDQ_007897 | the respiratory system | Smoking causes or makes you more susceptible to | null | null | Multiple Choice | a. asthma., b. emphysema., c. lung cancer., d. all of the above | d |
10,557 | NDQ_007900 | the respiratory system | Cellular respiration depends on respiration because cellular respiration | null | null | Multiple Choice | a. produces oxygen., b. requires glucose., c. requires carbon dioxide., d. none of the above | d |
10,558 | NDQ_007902 | the respiratory system | Inhaling occurs when the | null | null | Multiple Choice | a. size of the chest increases., b. diaphragm relaxes., c. air pressure in the lungs increases., d. two of the above | a |
10,559 | NDQ_007907 | the respiratory system | Gas exchange occurs twice during the process of respiration. | null | null | Multiple Choice | a. true, b. false | a |
10,560 | NDQ_007910 | the respiratory system | Air is inhaled when the diaphragm relaxes. | null | null | Multiple Choice | a. true, b. false | b |
10,561 | NDQ_007912 | the respiratory system | Cilia in the bronchi sweep mucus and particles toward the alveoli. | null | null | Multiple Choice | a. true, b. false | b |
10,562 | NDQ_007913 | the respiratory system | Each alveolus is surrounded by a network of capillaries. | null | null | Multiple Choice | a. true, b. false | a |
10,563 | NDQ_007914 | the respiratory system | The lungs are the main organs of the respiratory system. | null | null | Multiple Choice | a. true, b. false | a |
10,564 | NDQ_007915 | the respiratory system | When the diaphragm contracts, air flows out of the lungs. | null | null | Multiple Choice | a. true, b. false | b |
10,565 | NDQ_007916 | the respiratory system | When you inhale, oxygen is more concentrated in the blood than in the air inside alveoli. | null | null | Multiple Choice | a. true, b. false | b |
10,566 | NDQ_007917 | the respiratory system | Pneumonia may be caused by an infection or an injury to the lungs. | null | null | Multiple Choice | a. true, b. false | a |
10,567 | NDQ_007918 | the respiratory system | When you exhale, carbon dioxide diffuses out of the blood into the air in the alveoli. | null | null | Multiple Choice | a. true, b. false | a |
10,568 | NDQ_007919 | the respiratory system | In some people, asthma attacks may be triggered by strenuous exercise. | null | null | Multiple Choice | a. true, b. false | a |
10,569 | NDQ_007920 | the respiratory system | Particles in air are trapped by hairs in the nose and cilia in the bronchi. | null | null | Multiple Choice | a. true, b. false | a |
10,570 | NDQ_007921 | the respiratory system | During an asthma attack, the bronchioles widen and produce less mucus. | null | null | Multiple Choice | a. true, b. false | b |
10,571 | NDQ_007922 | the respiratory system | __tiny air sac in the lungs where gas exchange takes place | null | null | Multiple Choice | a. a.larynx, b. b.cellular respiration, c. c.bronchus, d. d.alveolus, e. e.trachea, f. f.diaphragm, g. g.breathing | d |
10,572 | NDQ_007923 | the respiratory system | __large, sheet-like muscle below the lungs needed for normal breathing | null | null | Multiple Choice | a. a.larynx, b. b.cellular respiration, c. c.bronchus, d. d.alveolus, e. e.trachea, f. f.diaphragm, g. g.breathing | f |
10,573 | NDQ_007924 | the respiratory system | __voice box | null | null | Multiple Choice | a. a.larynx, b. b.cellular respiration, c. c.bronchus, d. d.alveolus, e. e.trachea, f. f.diaphragm, g. g.breathing | a |
10,574 | NDQ_007925 | the respiratory system | __process of moving air into and out of the lungs | null | null | Multiple Choice | a. a.larynx, b. b.cellular respiration, c. c.bronchus, d. d.alveolus, e. e.trachea, f. f.diaphragm, g. g.breathing | g |
10,575 | NDQ_007926 | the respiratory system | __process in which cells obtain energy by burning glucose | null | null | Multiple Choice | a. a.larynx, b. b.cellular respiration, c. c.bronchus, d. d.alveolus, e. e.trachea, f. f.diaphragm, g. g.breathing | b |
10,576 | NDQ_007927 | the respiratory system | __one of two passages that carry air between the trachea and bronchioles | null | null | Multiple Choice | a. a.larynx, b. b.cellular respiration, c. c.bronchus, d. d.alveolus, e. e.trachea, f. f.diaphragm, g. g.breathing | c |
10,577 | NDQ_007928 | the respiratory system | __wind pipe | null | null | Multiple Choice | a. a.larynx, b. b.cellular respiration, c. c.bronchus, d. d.alveolus, e. e.trachea, f. f.diaphragm, g. g.breathing | e |
10,578 | NDQ_007929 | the respiratory system | What happens during respiration? | null | null | Multiple Choice | a. breathing, b. gas exchange between air and blood, c. gas transport by blood, d. all of the above | d |
10,579 | NDQ_007930 | the respiratory system | How is respiration related to cellular respiration? | null | null | Multiple Choice | a. Respiration supplies the oxygen needed for cellular respiration., b. Respiration provides the glucose burned during cellular respiration., c. Respiration removes the carbon dioxide produced by cellular respiration., d. two of the above | d |
10,580 | NDQ_007931 | the respiratory system | When you inhale through your nose, which organ does the air pass through next? | null | null | Multiple Choice | a. larynx, b. trachea, c. bronchiole, d. pharynx | d |
10,581 | NDQ_007932 | the respiratory system | What happens when the diaphragm contracts? | null | null | Multiple Choice | a. The size of the chest decreases., b. Air pressure inside the lungs increases., c. Air rushes into the lungs., d. two of the above | c |
10,582 | NDQ_007933 | the respiratory system | Why does oxygen pass into cells from the blood of capillaries? | null | null | Multiple Choice | a. Oxygen diffuses down a concentration gradient from the blood to cells., b. Oxygen is carried into cells from the blood by active transport., c. Oxygen is forced into cells from the blood by blood pressure., d. none of the above | a |
10,583 | NDQ_007934 | the respiratory system | The main symptom of emphysema is | null | null | Multiple Choice | a. coughing., b. chest pain., c. chest tightness., d. shortness of breath. | d |
10,584 | NDQ_007935 | the respiratory system | Bronchioles connect the | null | null | Multiple Choice | a. bronchi and alveoli., b. trachea and bronchi., c. larynx and trachea., d. none of the above | a |
10,585 | NDQ_007936 | the excretory system | The lungs are part of the respiratory system and the | null | null | Multiple Choice | a. digestive system., b. urinary system., c. excretory system., d. muscular system. | c |
10,586 | NDQ_007937 | the excretory system | Organs of excretion include the large intestine and sweat glands in the skin. | null | null | Multiple Choice | a. true, b. false | a |
10,587 | NDQ_007938 | the excretory system | Blood containing wastes enters each kidney through a ureter. | null | null | Multiple Choice | a. true, b. false | b |
10,588 | NDQ_007939 | the excretory system | The part of a nephron that filters blood is the | null | null | Multiple Choice | a. urethra., b. tubule., c. glomerulus., d. urinary bladder. | c |
10,589 | NDQ_007940 | the excretory system | Blood containing wastes enters the kidneys through | null | null | Multiple Choice | a. ureters., b. veins., c. arteries., d. sphincters. | c |
10,590 | NDQ_007941 | the excretory system | All of the water filtered out of the blood in the kidneys is excreted in urine. | null | null | Multiple Choice | a. true, b. false | b |
10,591 | NDQ_007942 | the excretory system | The process of urination is normally under conscious control. | null | null | Multiple Choice | a. true, b. false | a |
10,592 | NDQ_007943 | the excretory system | Hormones secreted by the kidneys help regulate | null | null | Multiple Choice | a. blood pressure., b. the production of white blood cells., c. blood clotting., d. two of the above | a |
10,593 | NDQ_007944 | the excretory system | The kidneys filter all of the blood in the body once a day. | null | null | Multiple Choice | a. true, b. false | b |
10,594 | NDQ_007945 | the excretory system | What does a hemodialysis machine do? | null | null | Multiple Choice | a. It controls blood sugar in people with diabetes., b. It treats urinary tract infections., c. It filters wastes out of the blood., d. It removes stones from the kidneys. | c |
10,595 | NDQ_007947 | the excretory system | One function of the kidneys is to help keep blood pressure within a normal range. | null | null | Multiple Choice | a. true, b. false | a |
10,596 | NDQ_007949 | the excretory system | You need both kidneys to live a normal, healthy life. | null | null | Multiple Choice | a. true, b. false | b |
10,597 | NDQ_007950 | the excretory system | Excess water is removed from your body when you | null | null | Multiple Choice | a. urinate., b. exhale., c. sweat., d. all of the above | d |
10,598 | NDQ_007953 | the excretory system | The urinary system includes all of the following organs except the | null | null | Multiple Choice | a. liver., b. ureters., c. urethra., d. urinary bladder. | a |
10,599 | NDQ_007955 | the excretory system | How many nephrons does each kidney contain? | null | null | Multiple Choice | a. fewer than 10, b. around 100, c. about 1,000, d. more than 1,000,000 | d |
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