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week 7-13
physiology week 7-13
| Question | Answer |
|---|---|
| The mechanisms that produce and maintain the resting membrane potential do so by producing a | slight excess of positive ions on the outer surface of the plasma membrane. |
| A membrane that exhibits a membrane potential is said to be | polarized |
| The effect of sympathetic stimulation on the urinary bladder is | constriction |
| A reflex consists of either a muscle contraction or a | glandular secretion |
| The immediate effect of a steroid hormone on a cell is the: | transcription of RNA |
| The major hormone produced by the corpus luteum is | progesterone |
| The localized pressure gradient needed to maintain blood flow in a tissue is called | perfusion pressure |
| Recognition of antigens by antibodies occurs when an | antigen’s epitopes fit into and bind to an antigen molecule’s antigen-binding site |
| Memory cells | become plasma cells when exposed to an antigen |
| External respiration can be defined as | *the exchange of gases between the lung and the blood capillaries in the lung * pulmonary ventilation |
| Which gas law deals with the solubility of gases in solution? | Henry |
| Which blood vessel carries absorbed food from the GI tract to the liver? | Portal vein |
| The hormone thought to be a messenger causing release of digestive enzymes from the intestinal mucosa is: | cholecystokinin-pancreozymin |
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claudiaypf86
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