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A&P Exam 3
Set 2
| Question | Answer |
|---|---|
| The vagus nerve has what type of axons | parasympathetic |
| Structures such as muscles and glands that are capable of responding to nerve impulses are called | effectors |
| Where do sympathetic preganglionic axons synapse? | in either chain or collateral ganglia |
| Adrenergic receptors can be activated by | the release of epinephrine |
| The vagus nerve carries parasympathetic impulses to the | thoracic and abdominal viscera |
| Stimuli path starting with preganglionic neuron | preganglionic neuron, autonomic ganglia and ganglionic synapse, postganglionic neuron, synapse with target tissues |
| A __ is an automatic response to a stimulus | reflex |
| The area of tissue above the common carotid artery in the diagram of a heart represents what? | increase in BP detected by carotid baroreceptors |
| T/F: One difference between a somatic reflex arc and an autonomic reflex arc is the number of afferent neurons | false |
| Difference between a somatic reflex arc and an autonomic reflex arc | *** |
| Impulses that initiate motivation and forethought originate in | the prefrontal area |
| The region of the limbic system that is involved in the feeling of satisfaction with sex and feeding behaviors is the | cingulate gyrus |
| Vision is dependent upon | photoreceptors |
| Specialized muscle fibers associated with detection of muscle length are | muscle spindles |
| Sensory receptors that release neurotransmitters in response to receptor potentials are called ___ receptors | secondary |
| A major source of sensory input into the limbic system is the sense of | smell |
| Decreased sensitivity to a continued stimulus is called | adaptation |