Which of the following people is at highest risk for multiple sclerosis?
a. an elderly man with a family history of multiple sclerosis living in Panama
b. a young man living in California who spends a lot of time in the sun as a construction workera young man living in California who spends a lot of time in the sun as a construction worker
c. an older woman with a family history of multiple sclerosis who lives in Mexico
d. a young woman with a history of mononucleosis living in New York
Question 2
Multiple sclerosis results from
a. strong heritability.
b. exposure to environmental toxins.
c. a combination of heritability and environmental factors.
d. excessive exposure to the sun.
Diagrams showing the multiple energy shells and orbitals of a nitrogen atom
Multiple Planets
Physical Fitness and Cancer Risk
Vocational interests seem to be established well before adulthood, and young people of all ages ...
Risk Factors for Cardiovascular Disease
Achiral Molecule with Multiple Stereocenters