Which of the following guidelines are given in regards to intensity and frequency, to improve muscular strength?
workout sessions should be limited to twice a week for 15-30 minutes.
during each workout session, several different muscle groups should be worked.
exercises for each muscle group should include four to five sets of 10 to 15 repetitions each.
increase the weight only when you are able to complete three sets of 10 repetitions with ease.

Achildren’s pain relief elixir contains 80. mg acetaminophen per 0.50 teaspoon. the dosage recommended for a child who weighs between 24 and 35 lb is 1.5 teaspoons. what is the range of acetaminophen doses, expressed in mg acetaminophen/kg body weight, for children who weigh between 24 and 35 lb

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.

Although the percentage of teens smoking has gone done in recent years, the number is still approximately percent. question 15 options: 10 30 40 20