This is the proportion of the blood which is red blood cells.
What is hematocrit
100
Valves are arranged so that blood flow can only flow in this direction.
What is toward the heart.
100
This is the name for the inward-driving pressure from inside the capillary.
What is colloid osmotic pressure
100
This physics law describes the relationship effect of vessel diameter on wall tension
What is Law of LaPlace
100
This is the neurotransmitter most commonly involved in maintaining sympathetic tone in the human vasculature.
What is norepinephrine
200
This is the vasoconstricting chemical which is released from damaged endothelial cells
What is endothelin
200
These are systems in which valves are found, when considering arterial, venous, and lymphatic systems.
What is venous and lymphatic system
200
This is the vascular response to signals released by the lower medullary vasomotor center:
What is vasodilation
200
Along with Epinephrine (adrenaline) and Norepinephrine (Noradrenaline,) These are TWO powerful vasoconstrictor neurotransmitters/hormones commonly found in the human body
What are vasopressin (ADH) and Angiotensin II
200
This is a response to a blood volume change which causes the heart rate and contractility to increase:
What is The Bainbridge Reflex
300
This is the greatest determinant of blood flow to most tissues in the human body.
What is tissue need/demand
300
This large, bulbous protrusion of blood vessels is caused by overstretching and destruction of the vessel valves:
What is varicosities (varicose veins)
300
This vascular component is NOT innervated by the Parasympathetic or Sympathetic Nervous system
What is a capillary?
300
Derived from mast cells in damaged tissues, this chemical signal can cause extreme capillary permeability and cause large amounts of fluid to be released into tissues.
What is histamine?
300
These are the two primary locations of the body's chemoreceptors
What are the carotid bodies (at the bifurcation of the common carotid) and aortic bodies (1-3 located adjacent to the aorta)
400
This law represents the relationship between pressure, flow, and resistance, used in calculating flow through a blood vessel, as written:
Flow =Change in Pressure, divided by resistance
What is Ohm's Law
400
This is the specialized area of the spleen which can deliver large quantities of concentrated red blood cells.
What is red pulp
400
When choosing between lipid-soluble and water-soluble molecules, this type diffuses more easily through the pores in the capillary membrane:
What is water soluble molecules
400
A powerful vasodilator, this chemical is released when tissue is inflammed, or blood is damaged; causes increase in capillary pore size
What is bradykinin?
400
The dangerous but often overlooked "ischemic cholitis" in an endurance runner is caused by this nervous control of arterial pressure:
What is abdominal compression reflex
500
The area of the blood vessel in which the laminar, parabolic flow creates the lowest pressure:
What is along the vessel wall
500
In the healthy individual, he circulatory system can function almost normally until this percentage of the blood volume is lost.
What is 20%
500
This the numeric comparison difference between the permeabilities by size, of water vs albumin molecules:
What is Water is 1000 times more permeable than albumin
500
This is the vascular response to signals released by the upper medullary vasomotor center:
What is vasoconstriction
500
Also known as the CNS Ischemic Response, this is the most powerful of the vasoconstrictor responses