Laboratory Manual For Human Anatomy & Physiology
4th Edition
ISBN: 9781260159363
Author: Martin, Terry R., Prentice-craver, Cynthia
Publisher: McGraw-Hill Publishing Co.
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Textbook Question
Chapter 45, Problem 1.5A
The pulmonary and aortic valves open when the pressure in the _____________ exceeds the pressure in the pulmonary trunk and aorta.
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The left ____________________________ can often be seen superior to the aortic arch as it courses horizontally towards the _____.
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The circulatory route from aorta to the venae cavae is the __________ circuit.
Chapter 45 Solutions
Laboratory Manual For Human Anatomy & Physiology
Ch. 45 - The _______ of the conduction system is known as...Ch. 45 - The ________ of the conduction system is/are...Ch. 45 - The first of two heart sounds (lubb) occurs when...Ch. 45 - One cardiac cycle would consist of a. left chamber...Ch. 45 - The SA node of the heart is located in the a....Ch. 45 - The depolarization of ventricular fibers is...Ch. 45 - The dupp sound occurs when the semilunar valves...Ch. 45 - The P wave of an ECG occurs during the...Ch. 45 - The period during a heart is contracting is called...Ch. 45 - The period during which a heart chamber is...
Ch. 45 - During ventricular contraction, the AV valves...Ch. 45 - During ventricular relaxation, the AV valves are...Ch. 45 - The pulmonary and aortic valves open when the...Ch. 45 - The first sound of a cardiac cycle occurs when the...Ch. 45 - The second sound of a cardiac cycle occurs when...Ch. 45 - The sound created when blood leaks back through an...Ch. 45 - What changes did you note in the heart sounds when...Ch. 45 - What changes did you note in the heart sounds...Ch. 45 - Prob. 3.1ACh. 45 - The ____________________ node is located in the...Ch. 45 - The fibers that carry cardiac impulses from the...Ch. 45 - Prob. 3.4ACh. 45 - The P wave corresponds to depolarization of the...Ch. 45 - The QRS complex corresponds to depolarization of...Ch. 45 - The T wave corresponds to repolarization of the...Ch. 45 - Why is atrial repolarization not observed in the...Ch. 45 - Identify the heart chambers and conduction system...Ch. 45 - How much time passed from the beginning of the P...Ch. 45 - What is the significance of this P-R interval?Ch. 45 - How can you determine heart rate from an...Ch. 45 - As blood in the ventricles surges back against the...
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- The term endarterial means pertaining to the interior or lining of an artery. ________ _________ ________ ________arrow_forwardDuring exercise, the regulation of blood flow to the skeletal muscle occurs at the____________. Group of answer choices Aorta Vena Cava arterioles venuolesarrow_forwardOne of the most common heart conditions in the United States is valvular disease. Diseased valves are often described as “leaky” because they allow blood to regurgitate or flow backward. The most commonly impacted valve is the aortic semilunar valve. Explain why a “leaky” aortic semilunar valve would be detrimental to patients. _________________________________________________________________________________________________________________arrow_forward
- In this case, the patient’s left ventricular afterload was very high. This condition was reflected by the patient’s_____________________.arrow_forwardFill in the blank: An _______________________ is a recording of electrical changes occurring in the myocardium during a cardiac cycle.arrow_forwardAfter a period of time without oxygen, the myocardium will undergo necrosis, a condition of __________ of the cells.arrow_forward
- Fill in the blank: The pulmonary and aortic valves open when the pressure in the _______________________ exceeds the pressure in the pulmonary trunk and aorta.arrow_forwardFill in the blank: The sound created when blood leaks back through an incompletely closed valve is called a_______________________.arrow_forwardThe anterior interventricular branches of the left coronary artery and cardiac vein are found along the anterior _________ sulcus.arrow_forward
- The _____, in its short axis, is seen ______________ to the ascending aorta and ____________ to the aortic arch.arrow_forwardThe left atrium is the most posterior cardiac chamber. True/falsearrow_forwardSelect the correct answer for each question. Explain why you chose that answer as opposed to the others. In other words, explain why the other choices are incorrect. The source of blood carried to capillaries in the myocardium would be the _____. Coronary veins Coronary sinus Fossa ovalis Coronary arteriesarrow_forward
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