After returning from a trip to Africa, Tom feels tired and weak and has severe anemia. A blood smear reveals a protozoan in his blood and the health care provider diagnoses malaria. Which of the following could be the causative agent of this disease?
A. Taenia solium
B. Plasmodium vivax
C. Trichophyton rubrum
D. HIV
E. Giardia lamblia
Answer: B
You might also like to view...
The cell keeps pH, temperature, and ion concentrations within a narrow window in order to maintain ______________
Fill in the blanks with correct word
Seasonal variation in solar radiation, temperature, and day length is due to the
A) tilt of the Earth's axis. B) greenhouse effect. C) Coriolis effect caused by the spinning of Earth on its axis. D) sunspot activities at the surface of the Sun.
Which of the following is not one of the main types of interactions that occur among species in a
community? a. intraspecific competition b. predation c. reproduction d. symbiosis e. interspecific competition
There is a population of giraffes. Some have short necks, some have medium-length necks, and some have long necks. If the short-necked individuals are regularly eliminated from the population, this would be an example of
A. disruptive selection. B. sexual selection. C. disfunctional selection. D. directional selection.