Sympathetic Nervous System Functions Quiz

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What is the physiological effect of the sympathetic nervous system related to heart rate?

Tachycardia (correct)

Miosis

Hypertension

Bradycardia

Which of the following is a function of the parasympathetic nervous system?

Bradycardia (correct)

Bronchoconstriction

Tachycardia

Hyperglycemia

What is a common physiological effect of the sympathetic nervous system on the eyes?

Mydriasis (correct)

Lacrimation

Accommodation

Miosis

In terms of energy mobilization, which system expends energy?

Sympathetic nervous system Signup and view all the answers

Which system is mainly responsible for bronchoconstriction and broncho-secretion?

Parasympathetic nervous system Signup and view all the answers

Which part of the brain controls the sympathetic nervous system?

Posterolateral hypothalamus Signup and view all the answers

What is the enzyme responsible for removing acetylcholine from the synaptic cleft?

Acetylcholineesterase Signup and view all the answers

Which receptor type is activated by a mushroom-derived toxin called muscarine?

Muscarinic receptors Signup and view all the answers

Where are nicotinic acetylcholine receptors predominantly found?

Skeletal muscle cells Signup and view all the answers

Which type of neurons possess both muscarinic and nicotinic acetylcholine receptors?

Parasympathetic preganglionic neurons Signup and view all the answers

Which of the following effects can be produced by muscarinic acetylcholine receptors?

Both excitatory and inhibitory effects Signup and view all the answers

If an anticholinesterase drug is administered, what do you think would happen to the transmission across the synapse?

Increase transmission across the synapse Signup and view all the answers

What happens when action potentials result in the release of neurotransmitters?

Neurotransmitter diffuses across the synapse Signup and view all the answers

Which function may a neurotransmitter receptor fulfill after binding to a neurotransmitter?

Initiate a series of biochemical events in the postsynaptic cell Signup and view all the answers

What characterizes the Somatic Nervous System?

Conscious perception and control Signup and view all the answers

Which division of the nervous system is responsible for controlling processes unconsciously?

Autonomic Nervous System Signup and view all the answers

What is the main effect of an inhibitory neurotransmitter on the postsynaptic cell?

Hyperpolarization (IPSP) Signup and view all the answers

How do neurotransmitter molecules typically get removed from the synapse?

They are reabsorbed by the presynaptic neuron Signup and view all the answers

What is the neurotransmitter used in all Somatic Nervous System nerve endings?

Acetylcholine Signup and view all the answers

Which part of the nervous system controls reflexes?

Central Nervous System Signup and view all the answers

Where are the cell bodies of the Autonomic Nervous System located?

In autonomic ganglia Signup and view all the answers

Which type of muscle does the Somatic Nervous System innervate?

Skeletal muscle Signup and view all the answers

What is the function of the Parasympathetic division of the Autonomic Nervous System on heart rate?

Decreases heart rate Signup and view all the answers

In which part of the nervous system do pre-ganglionic neurons lead to post-ganglionic neurons?

Autonomic Nervous System Signup and view all the answers

What is the effect of receptors on the presynaptic membrane?

Inhibitory Signup and view all the answers

Which neurotransmitter is primarily involved in adrenergic neurotransmission?

Adrenaline Signup and view all the answers

What is the role of autoreceptors in adrenergic neurotransmission?

Inhibit neurotransmitter release Signup and view all the answers

Which class of receptors is involved in the Adrenergic Synapse?

Adrenergic receptors Signup and view all the answers

What are the two major classes of adrenergic receptors?

Alpha and Beta Signup and view all the answers

How is the action of adrenergic neurotransmission terminated?

By enzymes like COMT and MAO Signup and view all the answers