BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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Chapter 27, Problem 3MCQ
Summary Introduction
Introduction:
The human heart has four-chambers: right atrium, left atrium, right ventricle and left ventricle. The circulation in which oxygen is absorbed by the blood and carbon dioxide is released at the lungs followed by the return of blood to the heart is termed as pulmonary circulation while in the systemic circulation, blood transfers oxygen to complete body and collects carbon dioxide from cells before coming back to the heart. This type of circulation is known as double circulation.
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Chapter 27 Solutions
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
Ch. 27.1 - What are the components of blood?Ch. 27.1 - Prob. 2MCCh. 27.1 - Prob. 3MCCh. 27.1 - Prob. 4MCCh. 27.3 - What is the cardiovascular system?Ch. 27.3 - Prob. 2MCCh. 27.4 - Prob. 1MCCh. 27.4 - Prob. 2MCCh. 27.4 - Prob. 3MCCh. 27.4 - How does exercise affect the circulatory system?
Ch. 27.5 - Prob. 1MCCh. 27.5 - Prob. 2MCCh. 27.5 - Prob. 3MCCh. 27.6 - Prob. 1MCCh. 27.6 - Prob. 2MCCh. 27.6 - Prob. 3MCCh. 27.6 - Prob. 4MCCh. 27.7 - Prob. 1MCCh. 27.7 - Describe the events of one respiratory cycle.Ch. 27.7 - Prob. 3MCCh. 27.8 - Prob. 1MCCh. 27.8 - Prob. 2MCCh. 27.8 - Prob. 3MCCh. 27 - Prob. 1MCQCh. 27 - Prob. 2MCQCh. 27 - Prob. 3MCQCh. 27 - Prob. 4MCQCh. 27 - Prob. 5MCQCh. 27 - Prob. 6MCQCh. 27 - Prob. 7MCQCh. 27 - Prob. 1WIOCh. 27 - Prob. 2WIOCh. 27 - Prob. 3WIOCh. 27 - Describe the events that occur during one cardiac...Ch. 27 - Prob. 5WIOCh. 27 - Prob. 6WIOCh. 27 - Explain how a sphygmomanometer blood pressure...Ch. 27 - Prob. 8WIOCh. 27 - Prob. 9WIOCh. 27 - Prob. 10WIOCh. 27 - Prob. 11WIOCh. 27 - Prob. 12WIOCh. 27 - Prob. 13WIOCh. 27 - Prob. 14WIOCh. 27 - Use the Internet to learn more about disorders of...Ch. 27 - Prob. 2SLCh. 27 - Review the Survey the Landscape figure in the...Ch. 27 - How do the pulmonary and systemic circulatory...Ch. 27 - Prob. 3PITCh. 27 - Prob. 4PIT
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- The portal vein brings blood from the intestines to the liver. Which statement is most likely true regarding the portal vein? A. It carries oxygenated blood at low pressure. B. It carries oxygenated blood at high pressure. C. It carries deoxygenated blood at low pressure. D. It carries deoxygenated blood at high pressure.arrow_forwardFigure 16.10 Which of the following statements about the circulatory system is false?a. Blood in the pulmonary vein is deoxygenated.b. Blood in the inferior vena cava is deoxygenated.c. Blood in the pulmonary artery is deoxygenated.d. Blood in the aorta is oxygenated.arrow_forwardHearts of mammals are described to have double pump structure. Which choice explains the functional and structural basis for the said description? A. Blood enters the atrium and pumped into ventricle. B. Blood pressure alternates between systolic and diastolic at all times. C. Atrium provide 1 pump, ventricle provides 2nd pump. D. Heart pumps blood simultaneously in systemic and pulmonary circuit.arrow_forward
- In terms of being open or closed, what is the state of the mitral and tricuspid valve (left and right atrioventricular valves respectively) at the end of the first heart sound? a. Mitral is closed, Tricuspid is open b. Mitral is open, Tricuspid is closed c. Both are closed d. Both are openarrow_forwardThe difference between the amphibian and mammal hearts is thata. in the amphibian heart, oxygenated and deoxygenated blood mix completely in the single ventricle.b. in the amphibian heart, there are two SA nodes so that contractions occur simultaneously throughout the heart.c. in the ventricle in the amphibian heart, internal channels reduce mixing of blood.d. in the amphibian heart, only the left aorta pumps oxygen obtained by diffusion through the skinarrow_forwardWhat is the correct order of events in the left ventricle during the systole phase of the cardiac cycle? a. Ventricular repolarization, ventricular relaxation, 2nd heart sound, AV valve opens, blood moves in b. QRS-complex, ventricular contraction, 2nd heart sound, aortic valve opens, blood moves out c. P-wave, increased ventricular pressure, 1st heart sound, aortic valve opens, blood moves in d. QRS complex, ventricular contraction, 1st heart sound, AV valve opens, blood moves out e. QRS complex, increased ventricular pressure, AV-valve closes, blood moves outarrow_forward
- Which of the following is the best description of what happens in capillaries? A. Capillaries are surrounded by thicker smooth muscle moving blood cells to exchange nutrients and oxygen. B. Capillaries connect minor veins to major veins returning blood to the heart. C. Capillaries are the location where oxygen, carbon dioxide, and nutrients are exchanged with tissues at the cellular level. D. Capillaries are the site where blood mixes with interstitial fluid to allow for gas and nutrient exchange.arrow_forwardWhich is not true about our heart A. ventricular systole squeezes blood to the lungs and the body B. Both ventricles hold the same volume of blood C. The pacemaker is in the right atrium D. blood from the left lung goes to the left atrium and blood from the right lung goes to the right atriumarrow_forwardWhich of the following statements about erythropoietin is true?a. It facilitates the proliferation and differentiation of the erythrocyte lineage.b. It is a hormone produced by the thyroid gland.c. It is a hemopoietic growth factor that prompts lymphoid stem cells to leave the bone marrow.d. Both a and b are true.arrow_forward
- Which of the following is true of the circulatory system of a grasshopper? A. One or more muscular chamber hearts drive blood through the closed circulatory system of the grasshopper. B. The grasshopper has an open circulatory system with a heart that is a peristaltic vessel. C. Because the grasshopper has an open circulatory system, the maximum hemolymph pressures that can be achieved are relatively low, which limits the maximum metabolic rate that can be achieved. D. The grasshopper does not have a specialized circulatory system - instead, its circulatory system consists of the fluid in the body cavity which is circulated by means of the body movements of the animal. E. Both B and C are true of the circulatory system of the grasshopper.arrow_forwardWhy does the right ventricle have a bicuspid valve? a. The low pressure generated by the right ventricle is best suited to bicuspid valve compared with a tricuspid valve b. The high pressure generated by the right ventricle would be better controlled by a bicuspid compared with a tricuspid valve c. Only a short pumping distance to the lungs is required for the bicuspid valve d. The right ventricle does not have a bicuspid valvearrow_forwardWhich of the following statements about vertebrate circulatory systems is not true? A. In mammals, the blood pressure in the aorta is higher than the pressure in the pulmonary artery. B. In fishes, oxygenated blood from the gills returns directly to the heart through the left atrium. C. In birds, deoxygenated blood leaves the heart through the pulmonary artery. D. In reptiles, the blood in the pulmonary artery has a lower oxygen content than the blood in the aorta. E. In amphibians, deoxygenated blood enters the heart through the right atrium.arrow_forward
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