What term refers to a barrier, such as plastic-backed table cover, that does NOT allow for passage of liquid through it?

Cardura XL is used to treat:

A) Endometriosis. B) Benign prostatic hyperplasia. C) Erectile dysfunction. D) Uterine cancer.

LSD and PCP are examples of:

A) amphetamines. B) hallucinogens. C) sedatives. D) narcotics.