42 year old female patient diagnosed with sickle cell anemia. She had complicated recurrent hospital admissions with vaso-occlusive crises and acute chest syndrome. Which of the following drug could
decrease the number of acute episodes in this patient?
Select one:
O a. Hydroxyurea
O b. Fresh frozen plasma
c. Tranexamic acid
d. Vitamin B6

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.

What changes would you have to adapt to have a more balanced life? 10 sentences

Witch behavior is most likely to indicate alcohol abuse?