The american academy of pediatric dentistry recommends brushing with
fluoride toothpaste
a. before bedtime
b. twice a day
c. after every meal
d. once a day

Explain what causes the skin to burn in the sun? explain why people should avoid the sun if taking a photosensitive medication?

When you have proper posture, your back is arched. a. true b. false

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.