Ch 16 Key Terms Flashcards
guarding
an involuntary action in which the abdomen becomes rigid upon examination.
hematemesis
vomiting up blood.
hematochezia
the passage of bloody stools.
melena
black, tarry stools.
peritonitis
an inflammation (irritation) of the peritoneum, the thin tissue that lines the inner wall of the abdomen and covers most of the abdominal organs.
referred pain
pain that originates in one part of the body but is felt in another part of the body.
sensory nerves
nerves that send signals to the brain for perception of touch, pressure, heat, cold, and pain.
visceral nerves
a collection of nerves that convey impulses between a part of the central nervous system and a viscus, such as an internal organ in the chest or abdomen.