Constipation may lead to the development of
a. hemorrhoids.
b. gallstones.
c. duodenal ulcers.
d. gastric ulcers.
e. Barrett's esophagus.
A
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Prosthecae are an adaptation for
A) anaerobic growth. B) cell differentiation under harsh conditions. C) nitrogen fixation. D) low nutrient aquatic environments.
A traveler returning to the United.States from India reported having a fever and severe joint pain. She mentioned that the mosquitoes had been particularly troublesome during her trip, and that she had taken the appropriate prophylactic anti-malarial medications. What is a likely cause of her illness?
A. Chickungunya fever B. West Nile virus C. Malaria D. Yellow fever E. Lyme disease
About how much solar energy is intercepted by Earth every minute?
a. 9 kcal per square meter b. 19 kcal per square meter c. 190 kcal per square meter d. 19 kcal per square kilometer e. 190 kcal per square kilometer
Which are common means by which patients acquire healthcare-associated infections?
a. contaminated food b. resident biota infections c. fomite transmission d. infections of damaged tissue