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The Most important chemical stimulus leading to increasing rate and depth of breathing is:
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Increased carbon dioxide in the blood
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The immune serum used to prevent maternal sensitization to Rh antigens is:
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RhoGAM
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Lymph from the left arm returns to the heart through the:
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Thoracic duct
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The pharynogotympanic tubes, which drain the middle ear, open into the :
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Nasopharynx
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Chest pain resulting from the loss of oxygen to heart cells is called:
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Angina pectoris
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The gas exchange that occurs between blood and tissue cells at systemic cappillaries is called:
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Internal respiration
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In a Centrifuged blood sample, the buffy coat between the formed elements and the plasma contains:
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Leukocytes and Platelets
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Coronary heart diesease results from:
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The accumulaion of fatty substances within blood vessels
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The average functional lifespan of an RBC is:
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100-120 days
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Erythocytes:
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Lack a nucleus and most organelles
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What is the most common cause for lung cancer:
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Smoking
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The lymph tissues found within the walls of the small intestine are called:
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Peyer's patches
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The opening between the vocal cord is called the:
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Glottis
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A substance that stimulates the immune system to release antibodies:
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Antigen
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Pulmonary circulation involves blood flow to and from the heart and the:
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Lungs
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