To prevent an overuse injury from occurring, a person should a. tie sneakers extra tightly to ensure a correct fit. b. stay with the same exercises so that the same muscles become stronger. c. vary his or her exercises from day to day and season to season. d. wear protective gear, such as a knee brace.

Ais a fluid-filled space between two neurons through which neurotransmitters travel. it is in this area where messages are transmitted chemically. a. terminal button b. synapse c. neuronal membrane d. synaptic vesicleits b, i just guessed it and it turned out to be right.

When the dental assistant is seated in the correct position is usually what

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.