The FL42-021X represents patients who are receiving:

Which of the following statements regarding the use of emergency escorts is correct?

A) Many drivers will only see the first emergency vehicle and assume that it is clear once that vehicle has passed. B) If you are using an emergency escort, you should follow closely behind it to avoid a wake effect collision. C) Use of a police escort is an acceptable practice, because it often facilitates a faster response time to the scene. D) The use of emergency escorts is generally discouraged, unless you are traveling through a busy intersection.

Newborn rats should be weaned and separated at ____________________ weeks of age

Fill in the blank(s) with correct word