SBISU CHAPTER 12 TEST. Name: Multiple Choice Identify the choice that best completes the statement or answers the question. 1. What is the function of the circulatory system? a. ventilation b. perspiration c. calcification d. transportation e. all of the above 2. The circulatory system is a transport system that carries a. oxygen b. antibodies c. wastes d. nutrients e. all of the above 3. A key function of the blood is transportation. Blood has other functions, such as regulation. What does blood regulate? a. sugar levels b. urine output c. hair growth d. body temperature e. water levels in the body 4. Circulatory systems can be closed or open. Which of these organisms has an open system? a. cricket c. octopus e. earthworm b. fish d. frog 5. An insect's blood is called a. plasma c. hemolymph e. leucocyte b. lymph d. hemoglobin 6. The cardiac muscles of the heart are arranged so that the heart muscles are a. separated into chambers b. not fatigued c. rhythmic d. involuntary e. all of the above 7. The pulmonary artery a. carries blood to the heart b. carries blood to the lung c. carries blood away from the lung d. carries blue blood e. carries clean blood 8. The vena cava a. carries blood to the heart b. carries blood to the lung c. carries blood away from the lung d. carries blue blood e. carries clean blood 9. Which part of the heart holds blood from the lungs? a. left atrium b. left ventricle c. septum d. right atrium e. right ventricle 10. The tricuspid valve opens to the a. right atrium b. right ventricle c. left atrium d. left ventricle e. aorta
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4. Oxygen moves from the lungs into the bloodstream through: a. Nerve fibers b. small blood vessels in the lungs c. a large artery in the heart d. a tube in the lungs called the pulmonary vein 5. The lower chamber of the heart that squeezes blood out into the arteries: a. septum b. superior vena cava c. ventricle d. atrium 6. When we breathe in, we inhale many gases including oxygen. What happens to the gases that the body can't use? a. They are exhaled b. They are changed into carbon dioxide by the lungs c. They circulate through the body and are disposed of d. They are absorbed into the digestive system and used to create energy 7. Atrium: receiving chamber; ________: pumping chamber? a. heart b. blood vessels c. ventricle d. atrium 8. What happens to the diaphragm when you breathe in or inhale? a. the diaphragm muscle contracts b. the diaphragm muscle relaxes c. the diaphragm helps the air go in and out of the lungs d. the diaphragm stops 9. Why is the human heart called a double pump? a. It distributes oxygen to the body as it works with the respiratory system. b. The heart pumps on every side, the left and the right, to circulate the blood throughout the body. c. It distributes carbon dioxide to the body as it works with the respiratory system. d. The heart accepts and donates blood. 10. The main function of arteries is to _______? a. carry deoxygenated blood away from the heart b. carry oxygenated blood away from the heart c. carry deoxygenated blood towards the heart d. carry oxygenated blood towards the heart
Supreeta N.
a. Select the statement below that is an accurate statement of the human circulatory system. Group of answer choices All arteries carry oxygenated blood. All veins carry deoxygenated blood. All veins carry blood toward the lungs. All arteries carry blood away from the heart. b. The circulatory system of all vertebrates (except fish) has a 2-circuit system - the pulmonary circuit and the systemic circuit. Select the choice below that describes the pulmonary circuit. Group of answer choices The arteries within the lungs. The arteries within the heart. The veins and arteries between the lungs and heart. The veins and arteries between the heart and body. c. Which of the following conditions can cause irregularities in the sound of the heart? Group of answer choices Moderate bradycardia. Mild mitral valve regurgitation. Mild atherosclerosis of the coronary arteries. No answer text provided. d. How are the echocardiography images made? Group of answer choices Images are compiled from ultrasound reflected from the heart tissue. An X-ray machine takes a series of pictures and the results are then displayed with a computer. Images are built by scanning the interior of the heart with a powerful fiberoptic device. Images are obtained using radar. e. Which of the following characteristics of the heart CANNOT be measured with echocardiography? Group of answer choices The oxygen content of the blood. The motion of the mitral valves. The rate of heartbeat. The size of the left ventricle.
Madhur L.
QUESTION 11 True or False: Arteries are blood vessels that carry oxygenated blood, veins are blood vessels that carry de-oxygenated blood. True False QUESTION 12 Which of the following chambers contain oxygenated blood? (Select all that apply) Right ventricle Left atrium Left ventricle Right atrium QUESTION 9 Which of the following statements about the pulmonary circuit are true? a. The pulmonary circuit carries de-oxygenated blood from the heart to the tissues b. The pulmonary circuit carries oxygenated blood from the heart to the lungs c. The pulmonary circuit carries de-oxygenated blood from the tissues to the heart. d. The pulmonary circuit carries de-oxygenated blood from the heart to the lungs. e. None of the above are true. QUESTION 2 Match the description with the correct blood vessel. Blood moves through these vessels slowly at low pressure. These vessels are the site of gas exchange. These vessels carry blood away from the heart. A. Capillaries B. Veins C. Arteries QUESTION 3 Match the description with the correct blood vessel. Contains valves. These vessels have the thinnest walls. These vessels have the thickest walls. A. Veins B. Capillaries C. Arteries QUESTION 4 Which of the following materials do your cells need to exchange with their environment? (Select all that apply) Blood Carbon dioxide Energy Oxygen QUESTION 5 In the ________circuit, the heart's left half pumps oxygenated blood to all body regions.
Shaiju T.
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