A licensed vocational nurse's duties revolve around basic patient care. LVNs monitor their patients' vital signs and keep their charts up to date. They assist patients in basic hygiene and personal care, including bathing and dressing them and helping them eat if necessary.
Accessory muscles refers to muscles that assist, but do not play a primary role, in breathing. There is some controversy concerning which muscles may be considered accessory muscles of inhalation.
Accessory nerve (XI). The accessory nerve is part of the group of cranial nerves responsible for innervation of structures derived from the branchial arches. It is also part of a group together with the glossopharyngeal and vagus nerves that passes through the jugular foramen which is termed the vagus group.