1 All of the following are methods of prion disease transmis

1. All of the following are methods of prion disease transmission EXCEPT...

a. inhalation (airborne).

b. ingestion of infected tissue.

c. inheritance (genetic).

d. contamination through use of inadequately processed surgical instruments.

2. Place the steps in the correct order to reflect how a lethal dose may be determined.

A) Dilutions of virus are made to represent a range of concentrations.

B) Inoculated host cells are observed and the number of dead cells are counted.

C) The dilution which killed 50% of the tissue culture cells is identified.

D) Dilutions are inoculated into susceptible tissue cultures (or susceptible host organisms).

a. A D B C

b.D B C A

c. D A C B

d. A B D C

1.A

Prion disease can be transmitted through:

2.a A D B C