Term
| What is the average normal pH of Blood |
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Definition
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Term
| Together, leukocytes and platelets comprise approx ______ perfect of total blood volume |
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Definition
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| Which blood type is called the Universal Donor |
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Definition
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Term
What is a regulatory function of blood
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Definition
| Maintenance of Normal pH in body tissues |
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Term
| What is a protective function of blood |
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Definition
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Term
| What might trigger erythropoiesis |
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Definition
| Increased tissue demand for oxygen |
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Term
| As Red Blood cells age.... |
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Definition
| Membranes " Wear Out" and the cells become damaged |
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Term
| An individual who is blood type AB negative |
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Definition
| Can recieve any blood type in moderate amounts except that with the Rh antigen |
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Term
| The most abundant plasma protein is |
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Definition
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Term
| When neither anti-A nor anti-B clots on a blood plate, the blood type is |
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Definition
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Term
| Select the correct statement regarding blood cell formation |
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Definition
| Red Marrow is the main site of blood cell formation throughout adult life |
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Term
| No visible cytoplasmic granules are present in |
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Definition
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Term
| What is not a phase of hemostasis |
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Definition
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Term
| What is not a cause of bleeding disorders |
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Definition
| excess secretion of platelet-derived growth factor PDGF |
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Term
| What is a characteristic of leukocytes |
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Definition
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Term
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Definition
| Stick to the damaged are of a blood vessel and help seal the break |
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Term
Which sequence is correct for the following events
1.FibringogenN->Fibrin
2. Clot Retraction
3.Formation of Thromboplastin
4. ProthrombinN-> Thrombin |
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Definition
3 4 1 2
Formation of Thrompolastin
ProthrombinN-> Thrombin
FirbingogenN-> Fibrin
Clot Reaction |
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Term
| Fred's Blood is AB positive. What does this mean |
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Definition
| There are no antibodies to A, B, or RH antigens in the plasma |
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Term
| What condition does not impair coagulation |
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Definition
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Term
| What is not one of the three main factors influencing blood pressure |
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Definition
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Term
| Which statement best describes arteries |
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Definition
| All carry blood away from the heart |
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Term
| Which tunic of an artery contains endothelium |
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Definition
| Tunica Interna ( intima ) |
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Term
| Permitting the exchange of nutrients and gases between the blood and tissue cells it he primary function of |
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Definition
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Term
| The Circulatory route that runs from the digestive tract to the liver is called |
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Definition
| Hepatic Portal Circulation |
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Term
| The arteries that are also called stirbuting ateries are the |
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Definition
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Term
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Definition
| promote an increase in blood pressure |
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Term
| True or False: veins are called capacitance vessesl or blood reservoirs |
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Definition
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Term
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Definition
| increases as blood viscosity increases |
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Term
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Definition
| increases when environmental temperature rises |
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Term
| The influence of blood vessel diameter on peripheral resistance is |
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Definition
| Very large because resistance is inversely proportional to the fourth power of vessel radius |
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Term
| In the dynamics of blood flow through capillaries, hydrostatic pressure |
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Definition
| is the same as capillary blood pressure |
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Term
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Definition
| carries nutrient-rich blood to the liver |
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Term
| Histologically, the _______ is squamous epithelium underlain by a sparse connective tissue layer |
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Definition
| Tunica Intima ( interna ) |
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Term
| The arteries that directly feed the capillary beds are |
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Definition
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Term
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Definition
| are not found in the brain |
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Term
| Modified capillaries that are lined with phagocytes are |
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Definition
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Term
| Factors that aid venous return include all except |
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Definition
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Term
| True or False: Excess red cell production would cause a blood pressure increase |
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Definition
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Term
| Mechanisms that do not help autoregulate blood pressure would be... |
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Definition
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Term
| The velocity of blood flow |
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Definition
| is slowest in the capillaries since the total cross-sectional area is the greatest |
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Term
| Normal Heart sounds are caused by |
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Definition
| Closure of the heart valves |
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Term
| The left ventricular wall of the heart is thicker than the right wall in order to |
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Definition
| Pump blood with greater pressure |
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Term
| The P wave of a normal electrocardiogram incidcates |
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Definition
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Term
| Blood within the pulmonary veins returns to the |
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Definition
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Term
| Small muscle masses attached to the chordae tendineae are the |
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Definition
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Term
| Blood is carried to capillaries in the myocardium by way of |
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Definition
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Term
| What factor does not infulence heart rate |
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Definition
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Term
| Cardiac Muscle cells are like skeletal muscles cells in that they |
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Definition
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Term
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Definition
| contains a lubricating fluid called serious fluid |
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Term
| If the length of the absolute refractory period in cardiac muscle cells was the same as it is for skeletal muscle cells |
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Definition
| tetanic contractions might occur, which would stop the hearts pupming action |
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Term
| Norepinephrine acts on heart muscle cells by |
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Definition
| Causing threshold to be reached more quickly |
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Term
| If the vagal nerves to the heart were cut, the result would be that |
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Definition
| the heart rate would increase by about 25 beats per minute |
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Term
| The stroke volume for a normal resting heart is ______ml/beat |
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Definition
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Term
| Which vessel of the heart receives blood during right ventricular systole |
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Definition
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Term
| Blood enters which of these vessels during ventricular systole |
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Definition
| Pulomonary aterties & Aorta |
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Term
| What is not part of the conduction system of the heart |
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Definition
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Term
| The tricuspid valve is closed |
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Definition
| when the ventricle is in systole |
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Term
| When holding a dissected heart in your hands, it is easy to orietn the right and left side by |
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Definition
| noticing the thickness of the ventricle wals |
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Term
| True or Fals: The AV valves are supported by chordae tendineae so that they do not blow back up into the atria during ventricular contraction |
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Definition
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Term
| True or False: Mycoardial cells: the all-or-none law as applied to cardiac muslce meanst aht the entire heart contracts as a unit or does not contract at all |
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Definition
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Term
| The layer of the heart that contracts is the |
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Definition
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Term
| Cardiac Muscle compared to Skeletal Muscle |
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Definition
| Has Gap junctions that allow it to act as a functional syncytium |
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Term
| The deflection waves in an ECG tracing include |
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Definition
| The T wave, which indicates ventricular repolarization |
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Term
| During the period of ventricular filling |
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Definition
| blood flows passively through the Atria and the open AV valves |
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Term
| Isovolumetric contraction: |
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Definition
| Refers to the short period during ventricular systole when the ventricles are completely closed chambers |
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Term
| During contraction of heart muscle cells |
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Definition
| calcium enters the cell fromt he extracellular space and triggers the release of larger amounts of calcium from intracellular stores |
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Term
| IF we were able to artificially alter the membrane permeability of pacemaker cells so that sodium influx is more rapid |
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Definition
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