Mildred is in her 20s. Her doctor tells her that she is gradually losing muscle mass and strength especially in her back and legs. Her doctor has advised her to exercise regularly and focus on her diet as a strategy to slow down the decline of muscle mass and strength. Which of the following terms best describes Mildred's condition? A) sarcoma
B) osteopenia
C) osteoporosis
D) sarcopenia

Hand washing is an important behavior that can cut down your chances of becoming sick with a communicable disease. select the best answer from the choices provided. t f

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.

When writing fitness goals we encourage using the smart method. what does s-m-a-r-t stand for? use full sentences to explain what each letter stands for in their goals setting process.