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Terms in this set (50)
Blood flow through a capillary is controlled by the
Materials can move across capillary walls by
is most active prepuberty
Blood flow to a tissue will increase if the
level of carbon dioxide at the tissue increases
What is the relationship between high blood pressure and edema?
high blood pressure leads to increased CHP and thus filtration exceeds reabsorption
Class I MHC molecules are found attached to
all cells with a nucleus
Stem cells that will form B cells and NK cells are found in the
Blood moves forward through veins because of the following EXCEPT
pumping of smooth muscle in the wall of the vein
When an antigen is bound to a class I MHC molecule, it can stimulate a
cytotoxic T cell
When an antigen is bound to a class II MHC molecule it can stimulate a ____.
helper T cell
Blood pressure is determined by
estimating the pressure needed to close off an artery with an external pressure cuff
Total peripheral resistance is related to all of the following EXCEPT the
osmolality of interstitial fluid
The blood colloid osmotic pressure mostly depends on the
concentration of plasma proteins
Which of the following is a vasodilator?
Each of the following will lead to a decrease in blood pressure, EXCEPT
release of renin
The vocal folds are located within the
Which would have the greater effect on vascular resistance?
decreasing the diameter of a blood vessel by ½
After losing 25% of the blood volume in a motorcycle accident, which of the following compensatory responses would occur?
increased heart rate increase in contractile force of the heart venoconstriction of skin vessels
The thoracic duct drains lymph from all of the following regions EXCEPT the
Lymph nodes do all the following except that they
remove excess nutrients from the lymph
An inflammatory response is triggered when
mast cells release histamine and heparin
The cells that perform immunological surveillance are the _______.
Boyle's law states that the pressure of a gas is
inversely proportional to the volume of its container
Nonspecific defenses include
The chloride shift occurs in order to
transport bicarbonate into the blood plasma
The first cells responding to an infection are the
Cytotoxic T cells attack cells by
releasing lymphotoxin releasing perforin
Which of the following is NOT an autoimmune disease?
the diaphragm and rib muscles contractv
attracts phagocytes enhances phagocytosis stimulates inflammation
The specificity of an antibody is determined by the
Perforins are proteins associated with
Physical barriers include
sebum mucous membranes
Dalton's law states that
in a mixture of gases, the total pressure is the sum of the individual partial pressures
decreases surface tension
The force allowing air to enter the lungs during inspiration is
Predict which way exercise would shift the oxygen-hemoglobin dissociation curve. Would this shift in the curve increase or decrease hemoglobin saturation?
the curve would shift to the right thus decreasing the hemoglobin saturation
How is the majority of carbon dioxide transported in blood?
converted to and transported as bicarbonate
The most important chemical regulator of respiration is
The term hypercapnia refers to
elevated partial pressure of carbon dioxide
What is meant by clonal expansion of a B cell? An activated B cell
divides into cells that give rise to memory B cells and plasma cells.
The release of endogenous pyrogen (or interleukin-1) by active macrophage would
Which of the following innate internal defenses work by interfering with viral replication?
Suppressor T cells act to
inhibit T cell and B cell activities.
Which class of antibodies is the first to be secreted during the primary response to infection?
Which class of immunoglobulins sensitizes cells to allergens?
Artificial passive immunity
gamma globulin injection
Artificial active immunity
Natural passive immunity
Natural active immunity
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