You have been asked to bring a patient down to the therapy gym from her hospital room. The patient is able to ambulate short distance with walker and has had a total knee replacement. What type of wheelchair would you use to transfer the patient?

Why do rna viruses appear to have higher rates of mutation? a) rna nucleotides are more unstable than dna nucleotides. b) replication of their genomes does not involve proofreading. c) rna viruses can incorporate a variety of nonstandard bases. d) rna viruses are more sensitive to mutagens.