Ch 20 Testing your recall and T&F

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a metarteriole

Blood normally flows into a capillary bed from ____

fenestrated capillaries

Plasma solutes enter the tissue fluid most easily from ______

an elastic tunica media

A blood vessel adapted to withstand a high pulse pressure would be expected to have ______

histamine

The substance most likely to cause a rapid drop in blood pressure

100 mm Hg

A person with systolic blood pressure of 130 mm Hg and a diastolic pressure of 85 mm Hg would have a mean arterial pressure of about ____

viscosity increases

The velocity of blood flow decreases if _______

have larger diameters

Blood flows faster in a venule that in a capillary because venules ______

colloid osmotic pressure of the blood

In a case where interstital hydrostatic pressure is negative, the onlyu force causing capillaries to reabsorb fluid is ______

the hepatic portal system

Intestinal blood flows to the liver by way of _______

internal jugular

The brain recieves blood from all of the following vessels except the _____ artery or vein.

systolic, diastolic

The highest arterial blood pressure attained during ventricular contraction is called _____ pressure. The lowest attained during ventricular relaxation is called _____ pressure.

continous capillaries

The capillaries of skeletal muscles are of the structural type called _______.

anaphylactic

_______ shock occurs as a result of exposure to an antigen to which one is hypersensative.

thoracic pump

The role of breathing in venous return is called the _________.

oncotic pressure

The difference between the colloid osmotic pressure of blood and that of the tissue fluid is called ________.

transcytosis

Movement across the capillary endothelium by the uptake and release of fluid droplets is called _______

sympathetic

All efferent fibers of the vasomotor center belong to the ______ divison of the autonomic nervous system.

baroreceptors

The pressure sensors in the major arteries near the head are called _______

the arterial circle

Most of the blood supply to the brain comes from a ring of arterial anastomoses called _____

basilic, cephalic

The major superficial veins of the arm are the _____ on the medial side and ____ on the lateral side.

True

In some circulatory pathways, blood can get from an artery to a vein with out going through capillaries

True

In some cases, a blood cell may pass through two capillary beds ina single trip from left ventricle to right atrium

True

The body;s longest blood vessel is the great saphenous vein.

False: Some veins have valves but arteries do not.

Arteries have a series of valves that ensure a one-way flow of blood.

False: By the formula F & r4, the flow increases 16-fold

If the radius of a blood vessel doubles and all other factors remain the same blood flow through that vessel doubles

True

The femoral triangle is bordered by the inguinal ligament, sartorius muscle, and adductor longus muscle.

True

The lungs recieve both pulmonary and systemic blood

False: The capillaries normally reabsorb about 85% of the fluid they filter; the rest is absorbed by the lymphatic system.

If blood capillaries fail to reabsorb all the fluid they emit, edema will occur.

False: An aneurysm is a weak blunging vessel that MAY rupture.

An aneurysm is a ruptured blood vessel.

False: The response to falling blood pressure is a corrective vasoconstriction.

In the baroreflex, a drop in arterial blood pressure triggers a corrective vasodialation of the systemic blood vessels.

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