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diana.luevanos
Physiology wk 7-13
| Question | Answer |
|---|---|
| Which of the following is not used by the body as a neurotransmitter? | Nitric oxide Acetylcholine Carbon monoxide Correct Answer All of the above are used by the body as neurotransmitters. |
| Acetylcholine is in the same class of neurotransmitters as: serotonin. histamine. dopamine. none of the above. | none of the above. |
| Stimulus-gated channels open in response to: sensory stimuli. the influx of potassium. hyperpolarization. both A and B. | Sensory stimuli |
| The fastest nerve fibers in the body can conduct an impulse that is how much faster than the slowest fibers in the body? | Almost 300 times faster |
| Which of the following is a correct statement? | There are 5 lumbar nerve pairs. |
| Which is not true of the hormone somatostatin? It is produced by the delta cells of the pancreas. It inhibits the secretion of glucagon. It stimulates the secretion of insulin. Both B and C are not true of the hormone somatostatin. | It stimulates the secretion of insulin. |
| Movement of hair cells in the organ of Corti against the _____ membrane can stimulate nerve impulse condition. | tectorial |
| The intestinal hormone cholecystokinin: causes the pancreas to increase exocrine secretions high in enzyme content. opposes the influence of gastrin on gastric parietal cells. stimulates the contraction of the gallbladder. | does all of the above. |
| The hormone thought to be a messenger causing release of digestive enzymes from the intestinal mucosa is: | vasoactive intestinal peptide. |
| Which blood vessel carries absorbed food from the GI tract to the liver? | portal vein |