Human Health Bio 2 answer keys
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How might social interactions help lower the risk of Alzheimer's disease?
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by helping keep a person's mind active
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Candace is wanting to be sure that she is doing what she can to prevent the spread of disease. Which of the following should she be sure to do?
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Avoid contact with other people's bodily fluids.
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The same, unknown bacteria is isolated from 20 sick individuals. Their samples were grown in culture and then placed in 10 healthy mice. Those mice started to show signs of a heightened immune response. To determine if the bacteria is pathogenic, what is the next step by using Koch's postulates?
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Reisolate it, and determine if it is the original unknown bacteria.
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Osteoporosis is more prevalent among women than men because women generally
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have lower bone mass than men have.
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In the 1950s, the structure of DNA was discovered by using models and x-ray chromatography. Currently, science has used advanced technology to completely map out the genes in a human's body. What would be the best advantage of using this information?
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gene therapy to correct defective genes that cause diseases
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Smallpox is a virus that causes a rash that then turns into painful blisters. The last known case of smallpox was in 1977. What is the best explanation for the eradication of smallpox?
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A vaccine was developed.
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Antoinette was diagnosed with hypertension, a noncommunicable disease in which her blood pressure is higher than normal. What is the most likely explanation for why she is hypertensive?
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She was obese and had a diet high in salt intake.
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Tobias has mononucleosis. Mononucleosis is a disease that tires and weakens the body. It is caused by a contagious virus that is transferred through direct contact. Which would be the best explanation of how Tobias contracted mononucleosis?
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Tobias drank from a water fountain that was contaminated.
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Which statement best describes the germ theory of disease?
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Diseases are caused by the presence and action of specific microorganisms.
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Amalia has the flu, a communicable disease that causes a cough and a runny nose. Which best describes how she likely got it?
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She touched the doorknob in a classroom.
