Hepatitis A is transmitted via which one of the following methods?

a) Sexual contact
b) Contaminated blood
c) The fecal-oral route
d) Saliva


Ans: c) The fecal-oral route

Biology & Microbiology

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The movement of air along parabronchi is most similar to the movement of _____

A) air in the lungs of other amniotes B) food/waste in a gastrovascular cavity C) a mouse passing through the digestive system of a snake D) the frog tongue during feeding E) air in lungs of terrestrial amphibians

Biology & Microbiology

Which of the following terms describes kinetoplastids?

a. non-photosynthetic b. parasitic c. ciliated d. non-photosynthetic and parasitic e. non-photosynthetic, parasitic and ciliated

Biology & Microbiology

The ____ gland is associated with biological clocks or biorhythms

a. pineal b. parathyroid c. hypothalamus d. pituitary e. thymus

Biology & Microbiology

All of the following substances are effective against nonenveloped viruses EXCEPT

A) alcohol. B) chlorine. C) ethylene oxide. D) ozone. E) None of the answers is correct; all of these are equally effective against nonenveloped viruses.

Biology & Microbiology