Inquiry Into Life (16th Edition)
16th Edition
ISBN: 9781260231700
Author: Sylvia S. Mader, Michael Windelspecht
Publisher: McGraw Hill Education
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Textbook Question
Chapter 12, Problem 4TC
There are not enough living heats available to meet the need for heart transplants. What are some of the major problems a manufacturer would have to overcome when attempting to design an artificial heart that last for years inside a patient's body?
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Currently, the news regarding ‘pig heart transplantation to humans’ has become a controversial issue in worldwide. This issue also is an advancement in cell/ tissue culture context. Based on this,please discuss about ethical issues that can be exist from this ‘pig heart transplantation to humans’.
What is the task that you need to do for a pig heart transplant into a human?
Experimental scenario: If a tube was inserted into the aorta of an isolated heart and saline was flooded down the tube: (finish the statement)
a)
saline would enter the coronary arteries.
b)
saline would enter the right atrium and right ventricle.
c)
after the right side of the heart was filled with saline, the left side would start.
d)
semilunar valves would prevent saline from entering the coronary arteries.
e)
the tube would never empty of saline
Chapter 12 Solutions
Inquiry Into Life (16th Edition)
Ch. 12.1 - Prob. 1LOCh. 12.1 - Explain the process of capillary exchange.Ch. 12.1 - Prob. 1CYPCh. 12.1 - Prob. 2CYPCh. 12.2 - Prob. 1LOCh. 12.2 - Prob. 2LOCh. 12.2 - 3. Define capillary exchange, and describe the...Ch. 12.2 - Prob. 1QTCCh. 12.2 - Prob. 2QTCCh. 12.2 - Prob. 3QTC
Ch. 12.2 - Prob. 1CYPCh. 12.2 - Prob. 2CYPCh. 12.2 - Identify some types of diseases that would be...Ch. 12.2 - Prob. 4CYPCh. 12.3 - Identify the major components of the heart,...Ch. 12.3 - Prob. 2LOCh. 12.3 - Describe the intrinsic and extrinsic control of...Ch. 12.3 - Prob. 1CYPCh. 12.3 - Prob. 2CYPCh. 12.3 - Prob. 3CYPCh. 12.3 - Prob. 4CYPCh. 12.4 - Prob. 1LOCh. 12.4 - Prob. 2LOCh. 12.4 - Prob. 1CYPCh. 12.4 - Name the major blood vessels through which blood...Ch. 12.4 - Prob. 3CYPCh. 12.5 - Describe the major categories of cardiovascular...Ch. 12.5 - Define hypertension and explain its most common...Ch. 12.5 - Prob. 3LOCh. 12.5 - Review the risk factors discussed in this reading....Ch. 12.5 - Prob. 2QTCCh. 12.5 - Prob. 3QTCCh. 12.5 - Prob. 1CYPCh. 12.5 - Prob. 2CYPCh. 12.5 - Prob. 3CYPCh. 12 - Prob. S4.2BYBCh. 12 - Prob. S11.1BYBCh. 12 - Section 11.5 The cardiovascular system interacts...Ch. 12 - Prob. 1ACh. 12 - Prob. 2ACh. 12 - Prob. 3ACh. 12 - Prob. 4ACh. 12 - Prob. 5ACh. 12 - Prob. 6ACh. 12 - Prob. 7ACh. 12 - Prob. 8ACh. 12 - Prob. 9ACh. 12 - An electrocardiogram measures
chemical signals...Ch. 12 - Prob. 11ACh. 12 - Prob. 12ACh. 12 - In which of the following does a blood vessel...Ch. 12 - Prob. 14ACh. 12 - Prob. 1TCCh. 12 - Prob. 2TCCh. 12 - Prob. 3TCCh. 12 - There are not enough living heats available to...
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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
- Blood is pushed out of the heart through a large vessel, called the aorta. The aorta then divides into smaller and smaller blood vessels, eventually reaching vessels called capillaries. Capillaries are so small that oxygen and nutrients can diffuse across the vessel walls and into the tissues of the body, with CO2 and waste diffusing back into the blood. Let's say that the cross-sectional area of the aorta is 1 cm2 = 100 mm2. The blood pumps through the aorta at 100 mm/s but only through the capillaries at 1 mm/s. If each capillary has a cross-sectional area of 20 mm2, how many capillaries must there be in the body? Note: these numbers are not physiologically correct, but were chosen to make the math easier. The blood velocity through the aorta is closer to 300 mm/s. The capillaries have a total cross-sectional area of ~600,000 mm2 (6000 cm2), with a blood flow rate closer to 0.2 mm/s.arrow_forwardOne of the current major areas of research in heart transplants is the use of pig hearts for human transplants. Since pig and human hearts are virtually identical anatomically, researchers feel that it can make hearts available to everyone that needs one. Should the organs of pigs (or any other animals) be used to preserve the lives of humans? Why or why not?arrow_forwardPlease Helparrow_forward
- Discuss TWO (2) body surface electrodes that can record the bioelectric potential of the heart activity.arrow_forward1. 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: 1) Bioreactor for examining tissue growth and integrityarrow_forwardif we want to transplant a pig heart to a human, what are analytical experiments should be performed to ensure that the engineered tissue is functional?arrow_forward
- A stent is a device that is implanted into an occluded artery to permit increased blood flow. A permanent, yet flexible, device is needed for use as a vascular stent. What biomaterial are used to make stents?Feel free to use online resources such as Google Scholar to find this information. Guidant and Boston Scientific are two companies that currently produce coronary stents and their website will also give more information. What material is preferred to produce a blood bag and a dialysis bag, and whyarrow_forward1. 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. A) 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) Cell type and sourcearrow_forwardAn artificial heart works in closed loop by varying its pumping rate according to changes in signals from the recipient's nervous system. For feedback compensation design it is important to know the heart's open-loop transfer function. To identify this transfer function, an artificial heart is implanted in a calf while the main parts of the original heart are left in place. Then the atrial pumping rate in the original heart is measured while step input changes are effected on the artificial heart. It has been found that. in general, the obtained response closely resembles that of a second-order system. In one such experiment it was found that the step response has a %OS = 30% and a time of first peak 7, 127 sec (Nakamura, 2002). Find the corresponding transfer function. Aside from the corresponding transfer function, determine the following as well: delay time, rise time, settling time and steady state error if input is a step response. CO Marrow_forward
- Discuss that why a pacemaker battery enclosed in a metal case before being inserted into the chest cavity?arrow_forwardThe human heart is: A) Neurogenic heart B) Myogenic heart C) Pulsating heart D) Ampullary heartarrow_forwardThe standard EKG consists of 10 sensors that record 12 leads of the heart’s electrical activity from different angles, allowing for a thorough three-dimensional interpretation of its activity. This is transmitted by the electrodes to the equipment to be interpreted and is used to diagnose cardiac medical conditions. In case of an abnormal EKG, the second step would be to use a Holter monitor. How would you explain to your classmates how to perform an EKG (steps)? Where will you place the electrodes when performing and EKG? Why? What are the different lead types, connections, and placements? When you conclude an EKG, what are the different components that you need to observe and confirm before you disconnect the patient? Can you explain the difference between normal, abnormal, and artifacts? What is a Holter monitor? Under what circumstances would one be ordered for a patient? How do you use a Holter monitor? Educate a patient: What you will do before, during, and after an…arrow_forward
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