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Physiology
| Question | Answer |
|---|---|
| Which membrane receptor acts to directly change ion permeability when stimulated? | The gated-channel receptor directly affects ion permeability when stimulated. |
| The _____ of the action potential peaks when the sodium channels close. | The magnitude of the action potential peaks. |
| When current leaps across an insulating myelin sheath from node to node, the type of impulse conduction is called: | This is called saltatory conduction. |
| The _____ nerve transmits impulses that result in sensations of equilibrium. | The vestibular nerve. |
| Parasympathetic stimulation has no effect on any of the following areas except: | The sweat glands. |
| Which hormone is released by the pituitary to stimulate the thyroid gland? | The hormone thyrotropin is released. |
| The receptors responsible for sensing crude and persistent touch are the: | The Ruffini corpuscles. |
| The type of cells that secrete ACTH are: | Corticotroph cell secrete ACTH. |
| Platelets play an important role in: | Blood clotting relies on platelets. |
| A graphic record of the heart’s electrical activity is an: | Electrocardiogram (ECG). |
| During pregnancy, what happens to the oxygenated blood returned from the placenta via the umbilical vein? | It flows into the inferior vena cava. |
| Activities that result in central movement or flow of lymph are called | Lymphokinetic activities. |
| The ingestion and destruction of microorganisms or other small particles is called | The name of this action is phagocytosis. |
| _____ law states that the volume of a gas is inversely proportional to its pressure. | This is Boyle's law. |
| More than two-thirds of the carbon dioxide carried by blood is carried in the form of: | Bicarbonate ions make up two thirds of CO2 in blood. |
| _____ is the passage of substances through the intestinal mucosa into the blood or lymph. | This describes the act of absorption. |
| Fats and other nutrients in the duodenum stimulate the intestinal mucosa to release a hormone called what? | Gastric inhibitory peptide. |
| An end product of fat digestion is: | The end product is glycerol. |
| The hormone that stimulates the gallbladder to release bile is called what? | This hormone is called cholecystokinin. |
Created by:
TrevorBoykin
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