You are first on the scene of a 61-year-old female in need of assistance with her respirations. you have a pocket mask with supplemental oxygen. how can you determine that your artificial ventilation is effective?
a. patient's skin color remains the same.
b. patient's pulse returns to normal.
c. you are assisting respirations at 10 breaths per minute.
d. you assure oxygen is being delivered at 15 liters per minute.

Some viruses can be crystallized and their structures analyzed. one such virus is yellow mottle virus, which infects beans. this virus has a single-stranded rna genome containing about 6300 nucleotides. its capsid is 25-30 nm in diameter and contains 180 identical capsomeres.if the yellow mottle virus begins its infection of a cell by using its genome as mrna, which of the following would you expect to be able to measure? a) replication rateb) transcription ratec) translation rated) formation of new transcription factors