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.
Vertebrate muscles: striated vs. smooth; voluntary vs. involuntary; skeletal vs. non-skeletal; Skeletal muscle (left) & Smooth muscle (right) Skeletal muscle = muscles attached to the skeleton that are striated & voluntary Non-skeletal muscle = muscles not attached to the skeleton; most are smooth & involuntary Vertebrate Muscles: