Which area of the physical activity pyramid can be most easily incorporated into an individual's everyday activities? A.
flexibility
B.
lifestyle
C.
aerobic
D.
anaerobic

Please select the best answer from the choices provided.

A
B
C
D

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.