Which set of symptoms best describes the long-term effects of methamphetamines? severe dental problems, anxiety, confusion, and sleep disorders
brain damage due to oxygen deprivation and nerve damage
impaired brain development and impaired memory and learning
death due to heart failure due to increasingly larger doses needed to get the same “high”

Describe how the above factors create barriers for maintaining your mental and emotional health what barriers do they create

When lifting heavy loads off the ground, the majority of the weight should be lifted by which of the following? a. arms b. legs c. back d. stomach

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.