BIOLOGY 2E
2nd Edition
ISBN: 9781506699851
Author: OpenStax
Publisher: XANEDU PUBLISHING
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Textbook Question
Chapter 40, Problem 2VCQ
Figure 40.11 Which of the following statements about the heart is false?
- The mitral valve separates the left ventricle from the left atrium.
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Which of the following structures of the heart is responsible for pumping the blood to the lungs?
left atrium
left ventricle
right atrium
right ventricle
sinoatrial node
Which of the following statements is correct?
Group of answer choices
Veins carry blood away from the heart
A stenotic heart valve would restrict the flow of blood through the valve
Semilunar valves are located between the atria and the ventricles
The right ventricle pumps blood to the systemic circulation
Which one of the following statements is incorrect?
There are no valves in arteries.
the walls of veins are thin.
the walls of capillaries are thick.
veins carry blood into the heart.
Chapter 40 Solutions
BIOLOGY 2E
Ch. 40 - Figure 40.10 Which of the following statements...Ch. 40 - Figure 40.11 Which of the following statements...Ch. 40 - Figure 40.17 Varicose veins are veins that become...Ch. 40 - Why are open circulatory systems advantageous to...Ch. 40 - Some animals use diffusion instead of a...Ch. 40 - Blood flow that is directed through the lungs and...Ch. 40 - White blood cells: can be classified as...Ch. 40 - Platelet plug formation occurs at which point?...Ch. 40 - In humans, the plasma comprises what percentage of...Ch. 40 - The red blood cells of birds differ from mammalian...
Ch. 40 - The heart's internal pacemaker beats by: an...Ch. 40 - During the systolic phase of the cardiac cycle,...Ch. 40 - Card io myocytes are similar to skeletal muscle...Ch. 40 - How do arteries differ from veins? Arteries have...Ch. 40 - High blood pressure would be a result of...Ch. 40 - Describe a closed circulatory systemCh. 40 - Describe systemic circulationCh. 40 - IS. Describe the cause of different blood type...Ch. 40 - List some of the functions of blood in the body.Ch. 40 - How does the lymphatic system work with blood...Ch. 40 - Describe the cardiac cycleCh. 40 - What happens in capillaries?Ch. 40 - How does blood pressure change during heavy...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which heart chamber has the thickest wall? a. right atrium c. left atrium b. right ventricle d. left ventriclearrow_forwardClusters of neurons in the medulla oblongata that regulate blood pressure are known collectively as ________. baroreceptors angioreceptors the cardiomotor mechanism the cardiovascular centerarrow_forward_____ contraction drives blood through the systemic and pulmonary circuits; outside the heart, blood pressure is highest in the _____. a. Atrial; ventricles b. Atrial; atria c. Ventricular; arteries d. Ventricular; aortaarrow_forward
- Figure 40.10 Which of the following statements about the circulatory system is false? Blood in the pulmonary vein is deoxygenated. Blood in the inferior vena cava is deoxygenated. Blood in the pulmonary artery is deoxygenated. Blood in the aorta is oxygenated.arrow_forwardPut the flow of blood through the heart in the right order starting with vena cava. Vena cava Right atrium Aortal semilunar valve Pulmonary veins Right AV valve Left Ventricle Pulmonary arteries Lungs Left atrium Aorta Mitral valve Pulmonary semilunar valve Right ventriclearrow_forwardThe coronary sinus can be found on the posterior aspect of the of the heart. O right atrium right ventricle left ventricle O left atriumarrow_forward
- Which chamber of the heart has to contract against the greatest afterload? right ventricle left ventricle right atrium left atriumarrow_forwardChordae tendineae: Group of answer choices hold the AV valves in place. contract when the heart contracts. are one part of the conductance system of the heart. regulate blood flow into the ventricles. are stretched during ventricular systole.arrow_forwardWhich chambers of the heart receive blood, and which discharge it?arrow_forward
- Which of the following structures acts to carry electrical impulse to the ventricles? chordae tendineae Purkinje fibers papillary muscles SA nodearrow_forwardWhich of the following statements best describes systolic blood pressure? Systolic blood pressure depends upon the force of the heart contractions - the stronger the contractions the higher the systolic pressure will be. Systolic blood pressure depends on how tightly the cuff of the sphygmomanometer is tightened. Systolic blood pressure depends upon the resistance of the blood vessels - the greater the resistance to blood flow the higher the systolic pressure will be. Systolic blood pressure depends upon the force and frequency of the heart contractions - the stronger and more frequent the contractions the higher the systolic pressure will be.arrow_forwardValves between which structures of the heart shown in the figure control the direction of the movement of oxygenated blood within the heart and as it is pumped to the systemic circuit?arrow_forward
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