Nyree just broke up with her boyfriend and really needs some support. she calls her friend in the middle of a crying bout, trying to explain what is wrong. her friend doesn't understand a word she is saying. which of the following is nyree doing?

a.
communicating

b.
hearing

c.
listening

d.
talking

Kyla injures her leg during a rock climbing accident. which type of rehabilitative care would she need after her injury has healed?

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.

Active immunity refers to: a. the defenses people are born with. b. temporary immunity granted from another source. c. immunity gained through immunization and exposure to diseases. d. natural immunities that protect humans from other animal diseases