What type of drugs kill by blocking impulses at specific receptors sites of the brain and spinal cord

Which factor is capable of influencing your sense of self? options: a) social environment b) intelligence c) profession d) social standing

True or false: determining the source and motive of an ad for a health product will you decide whether the ad is a reliable source of health information.

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.