Smokers who have a heart attack are nearly four times as likely as nonsmokers to die from it.
a. true
b. false
Answer: a. true
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The second law of thermodynamics states that ____
a. the energy of the universe is a constant b. energy can be neither created nor destroyed c. energy disperses spontaneously d. energy transformations create a more orderly universe e. energy and matter are the same thing
No convincing fossil evidence exists for ____
a. evolution b. extinction c. Earth’s age d. catastrophism e. uniformitarianism
Parvoviruses are among the simplest known DNA viruses of animals.
Answer the following statement true (T) or false (F)
During the spring calving season, a ranch hand begins to run a fever and feel nauseous and achy. After he develops a headache and vomiting, he goes to a clinic. A microscopic exam of a urine sample reveals long thin microbes which move very rapidly in a
corkscrewing pattern. The man may have contracted A) lymphogranuloma venereum. B) glomerulonephritis. C) leptospirosis. D) staphylococcal toxic shock syndrome. E) trichomoniasis.