Anatomy & Physiology
1st Edition
ISBN: 9781938168130
Author: Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher: OpenStax College
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Textbook Question
Chapter 19, Problem 8RQ
In which septum is it normal to find openings in the adult?
- interatrial septum
- interventricular septum
- atrioventricular septum
- all of the above
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In which septum is it normal to find openings in theadult?a. interatrial septumb. interventricular septumc. atrioventricular septumd. all of the above
Which valve separates the left atrium from the leftventricle?a. mitralb. tricuspidc. pulmonary
d. aortic
Fill in the blank:
The _______________________ node is located in the inferior portion of the interatrial septum.
Chapter 19 Solutions
Anatomy & Physiology
Ch. 19 - Visit this site...Ch. 19 - Which of the following is not important in...Ch. 19 - Which valve separates the left atrium from the...Ch. 19 - Which of the following lists the valves in the...Ch. 19 - Which chamber initially receives blood from the...Ch. 19 - The ________ layer secretes chemicals that help to...Ch. 19 - The myocardium would be the thickest in the...Ch. 19 - In which septum is it normal to find openings in...Ch. 19 - Which of the following is unique to cardiac muscle...Ch. 19 - The influx of which ion accounts for the plateau...
Ch. 19 - Which portion of the ECG corresponds to...Ch. 19 - Which component of the heart conduction system...Ch. 19 - The cardiac cycle consists of a distinct...Ch. 19 - Most blood enters the ventricle during ________....Ch. 19 - The first heart sound represents which portion of...Ch. 19 - Ventricular relaxation immediately follows...Ch. 19 - The force the heart must overcome to pump blood is...Ch. 19 - The cardiovascular centers are located in which...Ch. 19 - In a healthy young adult, what happens to cardiac...Ch. 19 - What happens to preload when there is venous...Ch. 19 - Which of the following is a positive inotrope? Na+...Ch. 19 - The earliest organ to form and begin function...Ch. 19 - Of the three germ layers that give rise to all...Ch. 19 - The two tubes that eventually fuse to form the...Ch. 19 - Which primitive area of the heart will give rise...Ch. 19 - The pulmonary trunk and aorta are derived from...Ch. 19 - Describe how the valves keep the blood moving in...Ch. 19 - Why is the pressure in the pulmonary circulation...Ch. 19 - Why is the plateau phase so critical to cardiac...Ch. 19 - How does the delay of the impulse at the...Ch. 19 - How do gap junctions and intercalated disks aid...Ch. 19 - Why do the cardiac muscles cells demonstrate...Ch. 19 - Describe one cardiac cycle, beginning with both...Ch. 19 - Why does increasing EDV increase contractility?Ch. 19 - Why is afterload important to cardiac function?Ch. 19 - Why is it so important for the human heart to...Ch. 19 - Describe how the major pumping chambers, the...
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- Figure 40.11 Which of the following statements about the heart is false? The mitral valve separates the left ventricle from the left atrium. Blood travels through the bicuspid valve to the left atrium. Both the aortic and the pulmonary valves are semilunar valves. The mitral valve is an atrioventricular valve.arrow_forwardBlood that leaves the right ventricle is _________ and travels along the _______ to the _______. oxygenated ; systemic vein ; tissues of the body that need oxygen deoxygenated ; pulmonary vein ; lungs oxygenated ; systemic artery ; tissues of the body that need oxygen deoxygenated ; pulmonary artery ; lungsarrow_forwardWhich chamber initially receives blood from thesystemic circuit?a. left atriumb. left ventriclec. right atriumd. right ventriclearrow_forward
- Which of the following structures acts to carry electrical impulse to the ventricles? chordae tendineae Purkinje fibers papillary muscles SA nodearrow_forwardWhat is the tissue type for the following structures of the heart Fibrous pericardium Serous pericardium Myocardium Endocardium Right atrium right Ventricle Left Atrium Left Ventricle Auricles Papillary muscles Fossa Ovalis Pectinate Muscles Chordae Tendinae Interventricular septum Tricuspid, pulmonary, Bicuspid, mitral, and Aortic semilunar valves pulmonary trunk Pulmonary artery Aorta Arteries Sinus/veinsarrow_forwardThe trabeculae carneae are located in the __________. A epicardium B ventricles C atrium D endocardiumarrow_forward
- Structures on the anterior side Function/significance Anterior interventricular sulcus Anterior interventricular artery Anterior Cardiac veins Aorta (Ascending) Aortic arch Apex Auricle (right & left) Base Brachiocephalic artery Circumflex artery Common carotid artery Coronary arteries ( left & right) Great Cardiac Veins Pulmonary trunk Pulmonary arteries Vena cava ( Inferior and Superior) Ventricle (right and left) Visceral pericardiumarrow_forwardStructures on the anterior side Function/significance Anterior interventricular sulcus Separates ventricular of heart Anterior interventricular artery Anterior Cardiac veins Aorta (Ascending) Aortic arch Apex Auricle (right & left) Base Brachiocephalic artery Circumflex artery Common carotid artery Coronary arteries ( left & right) Great Cardiac Veins Pulmonary trunk Pulmonary arteries Vena cava ( Inferior and Superior) Ventricle (right and left) Visceral pericardiumarrow_forwardBlood is carried to capillaries in the myocardium by way of: coronary arteries the coronary sinus coronary veins the fossa ovalisarrow_forward
- In the pause between the 2nd sound (dub) of one beat and the 1st sound (lub) of the following beat the ventricles are in __________ and the atrioventricular valves are _________. A Systole; open B Systole; closed C Diastole; open D Diastole; closedarrow_forwardMatch the anatomic term in column II with its associated function in column I: Column I __________ 10. separates the right and left atria __________ 11. Located at the juncture of the superior vena cava and right atrium __________ 12. Supports the heart in the mediastinum __________ 13. Sits between the right ventricle and the pulmonary artery __________14. Distributes venous blood to the lungs __________15. Embedded in the right atrial wall near the tricuspid valve Column II a. Parietal pericardium b. Pulmonary artery c. Bicuspid Valve d. Pulmonic Valve e. Sinoatrial node f. Atrioventricular node g. Atrial Septumarrow_forwardBlood within the pulmonary veins returns to the: right atrium right ventricle left atrium left ventriclearrow_forward
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