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Gerad
Physiology Weeks 7-13
| Question | Answer |
|---|---|
| There are two types of synapses—the electrical synapse and the __________ synapse. | chemical |
| When current leaps across an insulating myelin sheath from node to node, the type of impulse conduction is called: | saltatory conduction. |
| A synaptic knob would be located on a(n): | axon |
| All of the following cranial nerves are involved in proprioception except the: | vagus |
| Blood vessels in both digestive organs and skeletal muscles are dilated by sympathetic stimulation. | False |
| What is the difference between a somatic reflex and an autonomic reflex? | A somatic reflex is caused by contraction of skeletal muscles, whereas an autonomic reflex consists of contraction of smooth or cardiac muscle or secretions of glands. |
| Parasympathetic stimulation has no effect on any of the following areas except: | sweat glands. |
| The receptors responsible for sensing crude and persistent touch are the: | Ruffini corpuscles. |
| Erythrocytes begin their maturation sequence in red bone marrow from nucleated cells known as: | hematopoietic stem cells. |
| The chemoreceptors in the carotid bodies are particularly sensitive to: | hypoxia. |
| During pregnancy, what happens to the oxygenated blood returned from the placenta via the umbilical vein? | It flows into the inferior vena cava. |
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