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1. Which of the following is the leading cause of death in the United States?
A. Heart disease
B. Lung cancer
C. Diabetes
D. Colon cancer
2. Researchers have now read the complete DNA sequence of cancer cells from a patient with which disease, providing the first complete, comprehensive cancer genome in history?
A. Glioblastoma multiforme
B. Ovarian cancer
C. Myeloid leukemia
D. Breast cancer
3. Which of the following are risk factors for type 2 diabetes, formerly known as adult-onset diabetes?
A. Family history
B. Obesity
C. Physical inactivity
D. All of the above
4. When added to medical treatment, the use of mattress covers, air filters, and professional pest control, reduced emergency-room visits, decreased asthma medication use, and improved the health of at-risk children.
A. True
B. False
5. The parts of the brain responsible for regulating mood, thought, sleep, appetite, and behavior appear to function abnormally in those with depression when compared to those without depression.
A. True
B. False
6. Drug abuse could actually change the structure and function of the brain, eroding exactly those circuits that govern free will and control over behavior.
A. True
B. False
7. Most of the 1.8 million deaths caused by diarrheal disease each year can be attributed to which of the following?
A. Unsafe water supplies
B. Sanitation
C. Hygiene
D. All of the above
8. About 60% of new cases of HIV/AIDS are due to transmission from people who have high viral loads and have tested positive for the disease.
A. True
B. False
9. All of the following are true with regards to autism, except:
A. Both genetics and environment appear to contribute.
B. Researchers have decoded the complete genomes of people with autism and have identified three specific genes that are absent from those with autism compared to those without.
C. The effects of a mother’s exposures during pregnancy, including medication, infection, and other environmental triggers are important studies to still be conducted.
D. About 1 in 100 U.S. children appear to be affected by an autism spectrum disorder.
10. All of the following statements about vision loss are true, except:
A. Laser-based treatments are effective in destroying the abnormal blood vessels in the eye and stabilizing advanced AMD.
B. The most recent FDA-approved drug, ranibizumab injection, blocks vessel leakage and in many cases reverses vision loss.
C. A daily regimen of antioxidant vitamins and minerals delays the onset of advanced AMD by 65%.
D. Subtle alterations in two immune system-related genes account for 75% of AMD risk.
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