The client has expressed a desire to explore stress-reducing strategies for chronic migraines. The provider explains one technique that involves electronic monitoring of physiologic responses to stress with immediate feedback. This is known as which of the following?a) Biofeedback
b) Imagery
c) Music therapy
d) Progressive muscle relaxation

Which of the following represents a difference between viruses and viroids? a) viruses infect many types of cells, whereas viroids infect only prokaryotic cells.b) viruses have capsids composed of protein, whereas viroids have no capsids.c) viruses have genomes composed of rna, whereas viroids have genomes composed of dna.d) viruses cannot pass through plasmodesmata, whereas viroids can.