In assessing whether fluoridated water can cause cancer, what do the National Research Council, National Health Service, and Centers for Disease Control and Prevention all agree on?

True or false. mucous membranes secrete mucus that traps pathogens.

What is one limitation of the myplate guidelines

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.