Chagas' disease is transmitted by a bug with mouthparts that penetrate blood vessels. Which type of exposure does this represent?
A. mucous membrane portal
B. parenteral route
C. skin portal
D. contact
E. fomite
Answer: B
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The peripheral chromatin, which contains fine granules that are uniform in size and are evenly distributed, can be found in which one of the following protozoa?
a. Endolimax nana b. Iodamoeba butschlii c. Entamoeba coli d. Entamoeba histolytica
Saito is in charge of public health in his county and wants to reduce the rate of type 2 diabetes there. What kinds of health measures should he promote?
What will be an ideal response?
The opening of the larynx is called the ________. It is covered by the epiglottis, which prevents food or objects from blocking the airway
Fill in the blank(s) with correct word
The study of phylogeny allows us to:
a. understand the major events in evolutionary history. b. understand the history of descent. c. understand the relationships among taxa of organisms. d. All of the above.