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YL Physio Weeks 7-13
| Question | Answer |
|---|---|
| In a myelinated neuron, the impulse can travel under the myelin between nodes of Ranvier. True or False | TRUE |
| Which membrane receptor acts to directly change ion permeability when stimulated? | GATED-CHANNEL RECEPTOR |
| The T cell is considered | THE COMMUNICATOR |
| Stimulation of gastric juice secretion occurs in all of the following phases except the _____ phase. Cephalic Digestive Gastric Intestinal | DIGESTIVE |
| _________ is the passage of substances through the intestinal mucosa into the blood or lymph. | ABSORPTION |
| The first event to occur when an adequate stimulus is applied to a neuron is: | SOME OF THE SODIUM CHANNELS AT THE POINT OF STIMULATION OPEN |
| Cerebrospinal fluid is formed by filtration of blood in the | CHOROID PLEXUSES |
| The sequence of auditory ossicles in the middle ear starting at the lymphatic and ending at the oval window is | MALLEUS, INCUS, AND STAPES |
| Which are the two baroreceptors that are located near the heart? | AORTIC BARORECEPTORS AND CAROTID BARORECEPTORS |
| Which of the following is a powerful poison that acts directly on any cell and quickly kills it? | LYMPHOTOXIN |