Chapter 19: Vocabulary Flashcards
Hemorrhage
An abnormal internal or external discharge of blood
Shock
A state of inadequate tissue perfusion
Clotting
The body’s three-step response to stop the loss of blood
Vascular phase
The step in the clotting process in which smooth blood vessel muscle contracts, reducing the vessel lumen and the flow of blood through it.
Platelet phase
Second step in the clotting process in which platelets adhere to blood vessel walls and to each other.
Aggregate
To cluster or come together
Fibrin
Protein fibers that trap red blood cells as part of the clotting process
Lactic acid
Compound produced from pyretic acid during anaerobic glycolyis
Anaerobic
Able to live without oxygen
Fascia
A fibrous membrane that covers, supports, and separates muscles and may also unite the skin with underlying tissue
Hematoma
Collection of blood beneath the skin or trapped within a body compartment
Esophageal varices
Enlarged and tortuous esophageal veins
Melena
Black, tar like feces due to gastrointestinal bleeding
Anemia
A reduction in the hemoglobin content in the blood to a point below that required to meet the oxygen requirements of the body.
Pulse pressure
Difference between the systolic and diastolic blood pressures