1. A miracle of modern science is the heart transplant. Doctors, using the still viable heart from a deceased person, can replace the heart of someone who has a bad or damaged heart. The doctors simply put the patient on life support, remove their heart, put the new one in and shock it back into rhythm. Why does electricity reactivate the heart?
2. A pacemaker is a small electrical device inserted into the chest, which sends a repetitive signal to the sinoatrial node. Why would this be necessary?
3. Why can a high protein diet lead to blood acidification?
4. What would be a consequence of removing the prostate gland from an otherwise healthy male?
5. Why do diseases involving abnormally folded proteins preferentially attack the nervous system?
6. Phantom pain is a phenomenon in which someone loses a limb to an accident or amputation, but can still feel pain in the limb after it is gone. To treat this condition, doctors sometimes stimulate nerves in other parts of the body, such as nerves in the face when someone suffers phantom pain in their arm. Why does this stop the pain from the phantom limb?
7. When doctors measure your blood pressure, they take two measurements. One is higher pressure, while the other is lower pressure. How does this correspond to the cardiac cycle?
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