What does a mildly dilated inferior vena cava mean? my echo report says that my inferior vena cava is mildly dilated, and that my aortic root diameter is 2.9 cm. is that normal? i am a petite 5' woman.

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.