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physio stack 2
| Question | Answer |
|---|---|
| How does a dually innervated autonomic effector differ from a singly innervated autonomic effector? | A dually innervated effector receives input from both sympathetic and parasympathetic pathways. A singly innervated autonomic effector receives input from only the sympathetic division. |
| Sensory impulses ending in what part of the CNS trigger imprecise or “crude” sensation awareness? | Thalamus |
| Alpha fibers are associated with? | sharp, localized pain. |
| The chemoreceptors in the carotid bodies are particularly sensitive to: | hypercapnia. |
| Which are the two baroreceptors that are located near the heart? | aortic baroreceptors and carotid baroreceptors |
| The body’s defense mechanisms can be organized into one of two major categories of immune mechanisms; these are | innate and adaptive immunity. |
| The forced expiratory volume test can determine the presence of respiratory obstruction by measuring the | volume of air expired per second during forced expiration. |
| Stimulation of gastric juice secretion occurs in all of the following phases except the _____ phase. | digestive |
| Pepsinogen is converted to pepsin by hydrochloric acid, which is produced by the _____ of the gastric glands. | parietal cells |
| CCK is an intestinal hormone that | causes the pancreas to increase secretion of exocrine high in enzymatic content, opposes the influence of gastrin on gastric parietal cells, and stimulates contraction of the gallbladder so that bile can pass into the duodenum. |