Just back from a trip to South America, you now have a severe diarrheal illness. Your symptoms, other than diarrhea, are pain, cramps, some fecal blood, and fever. These are symptoms of many of the gastrointestinal diseases, so that information does not help you or the doctors identify the infectious agent. Your doctor wants to send a fecal sample to the microbiology lab for them to look at it under the light microscope. Based upon this protocol selection, the physician believes that you have ________.
A. rotavirus
B. hepatitis A
C. salmonellosis
D. cholera
E. amoebiasis
Answer: E
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The distribution of biomes is primarily determined by weather/wind cycles due to latitudinal gradients in
A. temperature. B. elevation. C. rivers. D. biodiversity. E. rainfall.
The type of behavior that does not require learning or experience to be performed correctly is
A. classical conditioning. B. habituation. C. operant conditioning. D. imprinting. E. innate behavior.
The receiving zone of a vertebrate heart is
a. a plaque. b. the aorta. c. an atrium. d. a capillary bed. e. a valve.
Which example shows nonevolutionary change in a population?
A) an increase in mosquitoes that are resistant to insecticide B) plants in a dry climate that have faster-growing roots than plants found there 20 years ago C) after decreases in airborne soot, a change in the most common color of moths D) an increase in the number of people diagnosed with colon cancer