Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 44, Problem 13TYU
Test Your Understanding
13. SCIENCE, TECHNOLOGY, AND SOCIETY Explain the association between atherosclerosis and ischemic heart disease. Imagine that you were the Surgeon General of the United States. What types of programs would you advocate to decrease heart disease? Do you think that as a society we should invest
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In your point of view as a senior high school stem student, is it important that we should be conscious of our health? How will you raise an awareness on the seriousness of this disease called hypertension?
5.According to Steven et al., (2006), hypoplastic left heart syndrome is a medical terminology used to describe a spectrum of congenital heart malfomation exhbiting an array of underdeveloped structures in the left side of the heart. How does this affect the anatomical and physiological function of the left side of the heart?
Read and analyze the question and choices CAREFULLY; more importantly, ALWAYS CHOOSE the BEST answer.
The heart will have a difficulty in pumping oxygenated blood to all parts of the body
The heart is bound to enlarge by loosening its myocardium after a few years.
The heart will not be able to absorb oxygen from the lungs.
The heart will exert too much pressure to deliver oxygen-poor blood to the lungs.
Put these autorhythmic cells into the correct order for conveying
electrical signals through a normal heart.
1. AV Bundle
2. internodal pathway
3. Purkinje fibers
4. atrioventricular node
5. sinoatrial nodes
6. left and right bundle branches
3, 6, 1, 4, 2, 5
5, 2, 4, 1, 6, 3
5, 4, 1, 6, 2, 3
5, 2, 1, 6, 4, 3
Chapter 44 Solutions
Biology (MindTap Course List)
Ch. 44.1 - Types of Circulatory Systems Contrast internal...Ch. 44.1 - Compare how oxygen is transported to the body...Ch. 44.1 - Prob. 2CCh. 44.1 - What are five functions of the vertebrate...Ch. 44.2 - Prob. 2LOCh. 44.2 - Summarize the sequence of events involved in blood...Ch. 44.2 - Prob. 1CCh. 44.2 - Prob. 2CCh. 44.2 - Prob. 3CCh. 44.3 - Prob. 4LO
Ch. 44.3 - Prob. 1CCh. 44.3 - Prob. 2CCh. 44.4 - Prob. 5LOCh. 44.4 - Prob. 1CCh. 44.5 - Prob. 6LOCh. 44.5 - Prob. 7LOCh. 44.5 - Prob. 8LOCh. 44.5 - Prob. 1CCh. 44.5 - PREDICT A patients mitral valve (left AV valve)...Ch. 44.5 - Prob. 3CCh. 44.6 - Prob. 9LOCh. 44.6 - Prob. 1CCh. 44.6 - Prob. 2CCh. 44.7 - Prob. 10LOCh. 44.7 - Prob. 1CCh. 44.7 - Prob. 2CCh. 44.8 - Prob. 11LOCh. 44.8 - Prob. 1CCh. 44.8 - Prob. 2CCh. 44.9 - Trace the progression of atherosclerosis and...Ch. 44.9 - Prob. 1CCh. 44.9 - Prob. 2CCh. 44 - Which of the following are most closely associated...Ch. 44 - Prob. 2TYUCh. 44 - Prob. 3TYUCh. 44 - Prob. 4TYUCh. 44 - Prob. 5TYUCh. 44 - Prob. 6TYUCh. 44 - Prob. 7TYUCh. 44 - Prob. 8TYUCh. 44 - Test Your Understanding 9. VISUALIZE Draw a simple...Ch. 44 - Prob. 10TYUCh. 44 - Prob. 11TYUCh. 44 - Prob. 12TYUCh. 44 - Test Your Understanding 13. SCIENCE, TECHNOLOGY,...
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- 12arrow_forward5. Describe the conductions of electrical signals through the heart. answer this question with a narrative of the structures involved in initiating and coordinating the contraction of the heart. You need to include the function of each structure. Mention pacemaker cells, the sinoatrial node, atrioventricular node, internodal pathway, bundle of His, bundle branches, Purkinje fibers, first degree block, second degree block, and third degree block.arrow_forward10. If given a diagram of the heart, such as the one below, be able to identify each of the following parts of the conduction system: • sinoatrial (SA) node • • . spread of SA through the 2 atria atrioventricular (AV) node ● • • • 11. Trace the flow of impulses through the conduction system (step by step) and include at what points the following happen: 2 atria contract together AV node delay occurs AV bundle (=bundle of His) bundle branches Purkinje fibers Focus Farrow_forward
- 1. You are a lead engineer in a cGMP facility that develops and delivers tissue engineering constructs for tissue regeneration. You have been asked to develop an injectable tissue engineering solution for regenerating heart tissue following myocardial infarction. Describe an injectable tissue engineering solution to regenerate the damaged heart tissue by considering the following and give a brief explanation for your choices: i) Description of large animal model for myocardial infarction, including animal and methodarrow_forward4.4. On the circulatory system, what are the correct statements? PHYSIOLOGY_advanced (OJO) Pacemaker cells of the heart are neurons with a stable resting membrane potential. Pacemaker cells of the sinus node, located at the left atrium, determine the heart beat frequency. Cardiac output is a function of the heart beat frequency and the stroke volume. The Frank-Starling mechanism allows coupling of the venous return with the stroke volume. Within each capillary bed there is a net loss of liquid to the extracellular space; this imbalance depends on the hydrostatic pressure and the colloid osmotic pressure gradients.arrow_forward1. Age-related changes in the heart’s electrical conduction system such as fibrosis and loss of specialized cells and fibers in the SA node and fibrosis of AV node and left anterior fascicle contribute to the development of (choose all that apply): a. Normal heart rate at rest b. Increase in atrial ectopy (irregular, rapid heartbeats) c. Increase in episodes of bradycardia (slow heart rate) d. Increased incidence of heart block. 2. Describe 3 age-related changes in the lungs that have a negative impact on preventing lung infections.arrow_forward
- II. Induction similar or relatea, the fourth does not belong with the other three. Choose the one term that does NOT belong in each of the following groupings In each question, three of the anatomical and physiological terms are A D Pulmonary trunk Right side of the Left side of the heart Vena cava 16 heart Electrical 17 T wave Pwave activity of the ventricles QRS wave AV valves Semilunar valves open AV valves Ventricular 18 closed opened systole 19 Tricuspid valve Mitral valve Bicuspid valve Left AV valve Pulmonary Superior Vena Cava 20 Umbilical Artery Pulmonary vein arteryarrow_forwardChapter 15: Lab Assignment: Heart Rate and Aerobic Prescription (2 pages) 1. Resting Heart Rate (RHR): record your resting heart rate by taking your pulse for 10 seconds and multiplying the number by 6. What is a normal resting heart rate_ ×6= (RHR). , and how does yours compare? 2. Maximum Heart Rate (MHR)-what is a Maximum Heart Rate? Calculate your maximum heart rate by subtracting your age in years from 220. 220- (age) = (MHR) 3. Calculating a Heart Rate Range: Using the Karvonen formula, calculate a range of 70% to 75% of your maximum heart rate. Target Heart Rate = [(max HR - resting HR) x %Intensity] + resting HR example (Max HR) - (Max HR)- (RHR) x 0.70+ (RHR) x 0.75 + (RHR) = (RHR) = Why should we figure out our Target Heart Rate? What is the benefit of using the Karvonen formula? 4. Utilize the Fartlek Aerobic Training/Speed Play Method for 10 minutes. 1 minute (run/jog/speed walk)-1 minute (jog, walk). Take your heart rate immediately upon completion for 1 minute.. Are you…arrow_forwardv. Test your knowledge of the flow of blood through the heart by placing the following cardiac events in the proper order. The first step has been provided to get you started. Arrange the subsequent events by inserting the numbers 2 through 18 in the spaces provided. 1. Deoxygenated blood flows through the superior and inferior vena cava and into the right atrium. _A. Blood fills the left atrium. _B. The right atrium contracts. _C. The pulmonary valve closes. D. Blood leaves the lungs via the pulmonary veins. E. The left atrium contracts. _F. The pulmonary valve opens. _G. Blood flows into the aorta for distribution throughout the body. _H. The mitral valve closes. 1. The left ventricle contracts. J. The aortic valve opens. _K. The right ventricle contracts. _L. The tricuspid valve opens. M. Rlood is pumped into the right and left pulmonary arteries and into the lungs. _N. Blood fills the left ventricle. _0. The mitral valve opens. _P. Blood flows into the right ventricle. _Q. The…arrow_forward
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