Chapter 20 and 21 Flashcards
Which of the following is not true about capillary blood flow?
Pre-capillary sphincters shut off the capillary not the…channel
Which of the following is not a conducive.. elastic conducting arteries?
Aorta/Pulmonary (maybe no smooth muscle)
Type of capillaries found in the kidney stones tested in endocrine glands?
phinostrated
Which structures would have the most blood volume distribution and the least volume?
Most: Veins
Least: Capillaries
Red blood flow through a given mass of tissue?
perfusion
If blood pressure is 122/80 the diastolic pressure is?
80
If blood pressure is 122/80 the pulse pressure is?
42
If blood pressure is 122/80 the mean arterial pressure is?
94
If blood pressure is 122/80 the systolic pressure is?
122
The most significant influence in peripheral resistance?
Radiance
If flow rate in the vessel is restricted.. if it is one mm per second when fully dilated, it can increase?
81 times (3)
Sympathetic nervous system controls the blood pressure and flow of?
All the above
Which is not true of barrel receptor reflexes?
True: Ph, Co2, oxygen
Not True: ?
Inactive profusion to the brainstem results in what?
______ ischemic reflex
Which of the following hormones would decrease blood volume and pressure?
ANF
The most important mechanism for moving gasses in and out of the blood stream is?
diffusion
The way fatty acids and other hormones like insulin are transported is?
transcytosis
The reabsorption of the vistal capillaries, what is the most significant force between movement of water back into the capillaries?
Colloid Osmotic Pressure
WHat percentage of water leaves the capillaries?
10-15%
What would be a result of liver disease?
Edema and decreased blood pressure
Which can be the consequence of very low blood osmotic proteins?
All the above
Which is NOT a factor that promotes Venous Return?
Exhalation
Type of low venous return shock that will be caused by an allergic reaction?
Anaphylactic Shock
Which type of low venous return (LVR) shock will cause bleeding burns or dehydration?
Hypovolemic Shock
Which type of low venous return (LVR) shock will be caused by bacterial toxins?
Septic Shock
Which would NOT occur in decompensated shock?
Increase heart and reduce output
Which of the following is TRUE about circulation to the brain?
The major chemical stimulus for cerebral control is pH
Which is NOT True about circulation of the skeletal muscle during exercise?
Isometric contraction facilitate lymph node
what normally flows into the capillaries from the..?
metarterioles
Plasma solids enter tissues most easily from what?
Fenestrated Capillaries
A blood vessel adapting to withstand high blood pressure will have an?
Elastic tunica media
Substance most likely to cause drop in blood pressure?
Histamine
THe velocity of blood flow decreases if?
Viscosity increases
blood flow decreases
Blood flows faster in a small vein than in a capillary becuase?
diameter
Whats the force that draws water back into the blood?
Colloid osmotic pressure of blood
Intestinal blood flows to the liver by way of what vein?
Hepatic portal vein or the hepatic portal system
The brain receives its blood from all of the following vessels EXCEPT?
Internal Jugular
The only lymphatic organ with both affarent and efferent lymphatic vessels is?
Lymph Node
Which of the following cells are involved in non-specific resistance but not in specific defense?
Natural Killer Cells
The respiratory burst is used by _____ to kill bacteria
Neutrophils
All of the following are macrophages EXCEPT for what?
Endothelial Cells
The cytolytic action of the complement system is most similar to the action of?
Perforin
This can be an antigen by binding to larger host molecules
Haptens
The cardinal signs of inflammation include all of the following Except?
Fever
A helper T cell can bind only to another cell that has?
MHC-|| proteins
Which of the following results from a lack of self-tolerance?
Systemic Lupus Erythematosus
