Which measure of body composition can provide information on regional fat distribution and can also provide measurement of bone density?
a. dual-energy x-ray absorptiometry (dxa) scanb. air displacement plethysmographyc. near-infrared spectroscopyd. bioelectric impedance

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.