Term
What are the Effector Organs of the:
- Somatic Motor
- Autonomic Motor
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Definition
- Skeletal Muscles
- Cardiac muscle, Smooth muscle and Glands
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Term
Presence of ganglia in:
- Somatic Motor
- ANS
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Definition
- Trick question! NO GANGLIA
- 2 ganglia
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Term
Number of Motor Neurons from CNS to effector
- Somatic Motor
- ANS
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Definition
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Term
Type of Neuromuscular Junction
- Somatic Motor
- ANS
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Definition
- Specialized Motor End Plate
- No specialization
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Term
Effect of nerve impulse on muscle
- Somatic Motor
- ANS
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Definition
- Excitatory ONLY
- Either excitatory or inhibitory
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Term
Type of nerve fibers
- Somatic Motor
- ANS
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Definition
- Fast conducting and myelinated
- Slow conducting lightly myelinated
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Term
Effect of Denervation
(If you sever the nerves)
- Somatic Motor
- ANS
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Definition
- Flaccid paralysis and atrophy
- Muscle ions and function persist; target cells show denervation hypersensitivity
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Term
| Which system is voluntary and which is involuntary? |
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Definition
- Somatic Motor- Voluntary
- ANS- Involunary (usually)
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Term
| Where is the ANS located? |
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Definition
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Term
| What are the two branches of the ANS? |
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Definition
| Sympathetic and Parasympathetic |
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Term
| What 3 ways can the Sym and Para be distinguished? |
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Definition
- Anatomic Distinctions
- Differences in Neurotransmission
- Antagonistic Control
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Term
| What are the structural (anatomic) differences? |
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Definition
| The location of the Ganglia |
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Term
What is the Region of Origin in the S and PS?
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Definition
- Symp- Thorasic/Lumbar
- Para-Cranial Nerves/Sacral
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Term
| What is unique about the location of the ganglia in the S and PS? |
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Definition
- Symp- Sympathetic Chain of colateral ganglia
- Para- Close to the target organs
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Term
| What is the typical length of a ganglionic neuron in the S and SP? |
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Definition
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Term
| Parasympathetic NT activate _________________ receptors. |
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Definition
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Term
| Sympathetic NT activate ______________ Receptors |
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Definition
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Term
| What are the 2 kinds of Cholinergic Receptors? |
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Definition
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Term
| What are the 3 kinds of Adrenergic Receptors? |
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Definition
Alpha 1- Vasoconstriction of Visera and skin
Beta 1- Increases Heart Rate and Contractility
Beta 2-Dilation of Bronchioles of the lung |
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Term
| Beta Blockers will ___________ the Heart Rate and _________ the bronchioles. |
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Definition
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Term
| Both the Sympathetic and Parasympathetic Pre-Ganglions release __________ NT. |
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Definition
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Term
| Sympathetic Post-ganglion release ____________ NT. |
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Definition
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Term
| Parasypathetic Post-ganglion release ___________ NT. |
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Definition
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Term
| The sympathetic and parasympathetic receptor on the Post-ganglion are both ______________. |
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Definition
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Term
| The Receptor on the Effector Organs in the Sympathetic NS are _____________. |
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Definition
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Term
| The receptors on Effector Organs of the Parasympathetic NS are ___________ |
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Definition
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Term
| Nicotinic Receptors are always ___________. |
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Definition
Excitatory
Ligand gated Na+/K+ channels lead to depolarization |
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Term
| How do Muscarinic Receptors work in Cardiac Muscle? |
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Definition
- GPCR opens K+ channel
- K+ leaves
- Hyperpolarizes the cell
- Slows the Heart Rate
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Term
| How does the Muscarinic Receptor work in Smooth Muscle? |
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Definition
- GPCR close K+ and open Na+ channels
- Depolarization
- Excitatory (leads to a contraction)
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Term
| What does Acetylcholine Esterase do? |
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Definition
| Breaks down Acetylcholine |
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Term
| If you had an inhibitor of Ach Esterase, what would it do? |
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Definition
- Cause an increase in Ach in the synapses
- Increased activation of Muscarinic receptors
- Increase activation of Nicotinic Receptors
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Term
| Why is it important to have Antagonistic Control in the ANS? |
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Definition
| To help maintain homeostasis |
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Term
| What does it mean to have Dual Innervation? |
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Definition
| Things are innervated by the sympathetic and parasympathetic NS |
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