Substance abuse and addiction have been called "public health enemy number one."
a. true
b. false

Which of these contraceptive methods would be most beneficial for a female who wishes to avoid side effects or surgery?

Will treating a viral infection with antibiotics affect the course of the infection? a) no; antibiotics work by inhibiting enzymes specific to bacteria. antibiotics have no effect on eukaryotic or virally encoded enzymes. b) no; antibiotics do not kill viruses because viruses do not have dna or rna. c) yes; antibiotics activate the immune system, and this decreases the severity of the infection. d) yes; antibiotics can prevent viral entry into the cell by binding to host-receptor proteins.

The age of receding pandemics is one of three progessive ages of epidemiologic transition. select one: true false