Select the statement(s) that describe how parasites can infect a host.
a. They can be injected into the host by arthropods that harvest the infectious
b. They can enter the body through the active penetration of the host's skin by
They can enter the body through the gastrointestinal tract.
d. All the above.
Which of the following statements describes a safety practice that should be
followed in the laboratory?
a. Spilled specimens should be soaked with a disinfectant and allowed to stand
before they are cleaned up and disposed as contaminated trash.
b. All solutions used in the laboratory should be pipetted by mouth to ensure
Mercuric compounds should be disposed by flushing them down the toilet.
d. Uniforms worn in the parasitology laboratory should be incinerated to prevent
Slides should be disposed by:
a. Incinerating the slides.
b. Placing the slides in a disinfectant solution prior to autoclaving them.
Placing the slides in a metal container which is then given to a civilian firm for
d. Soaking the slides in a disinfectant solution prior to placing them in the trash.