1. What can high levels of blood urea nitrogen indicate?
2. 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?
3. Which of these statements about the CNS is NOT true?
4. The lymphatic system is an important part of the circulatory system. What are the major functions of the lymphatic system?
5. What would be a consequence of removing the prostate gland from an otherwise healthy male?
6. Which of these sections of the small intestine receives chyme from the stomach?
7. A fish heart has only two chambers: a single atrium and a single ventricle. Which of the following is a reason fish do not need a 4-chambered heart?
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