Charley is in the hospital visiting a friend who has a broken leg. Charley does not wash his hands after he left the room because his friend is injured but not sick. What did Charley do wrong?
He should have taken all droplet precautions because they should be practiced in cases of injuries.
He should have taken all contact precautions because they should be practiced in cases of injuries.
He should have taken all airborne precautions because they should be practiced in every case.
He should have taken all standard precautions because they should be practiced in every case.

If your emotional energy is low, your attitude will likely a. be more negative. b. not be impacted. c. vary substantially. d. be more positive.

Viruses use the host's machinery to make copies of themselves. however, some human viruses require a type of replication that humans do not normally have. for example, humans normally do not have the ability to convert rna into dna. how can these types of viruses infect humans, when human cells cannot perform a particular role that the virus requires? a) the virus causes mutations in the human cells, resulting in the formation of new enzymes that are capable of performing these roles.b) the viral genome codes for specialized enzymes not in the host.c) the virus infects only those cells and species that can perform all the replication roles necessary.d) viruses can stay in a quiescent state until the host cell evolves this ability.

Aproper cool-down routine includes which of the following? a). eating a good-sized meal b. five to 10 minutes of slow walking or jogging and stretching c). less than 5 minutes of cool-down stretches d). sprinting or other strenuous exercise