Autonomic Nervous System: Chapter 15.1 Quiz

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Which type of synapse involves the release of norepinephrine to alpha or beta receptors?

Nicotinic

Muscarinic

Adrenergic (correct)

Cholinergic

What is the second signaling molecule in the adrenergic synapse?

Epinephrine (correct)

Serotonin

Acetylcholine

Dopamine

Which type of reflex involves a completely peripheral, local response with the synapse in the ganglia?

Long reflex

Somatic reflex

Short reflex (correct)

Autonomic reflex

Which branch of the autonomic system has baroreceptors to react to stretch stimuli in the aorta and carotid arteries?

Afferent branch Signup and view all the answers

Without the parasympathetic signal, what would the heart rate be?

100 bpm Signup and view all the answers

Which type of synapse involves the release of Ach to either nicotinic or muscarinic receptors?

Cholinergic Signup and view all the answers

Where do sympathetic signals come from in the thoracolumbar system?

Both thoracic and superior lumbar nerves Signup and view all the answers

What is the function of the collateral ganglia in the sympathetic division?

To process signals for the enteric nervous system Signup and view all the answers

What is the main difference between preganglionic fibers in sympathetic and parasympathetic divisions?

Degree of myelination Signup and view all the answers

What is the role of the adrenal medulla in the sympathetic division?

To release molecules for immediate response Signup and view all the answers

Where are the terminal ganglia located in the parasympathetic division?

On or near the target effector Signup and view all the answers

In which system are the collateral ganglia found?

Enteric nervous system Signup and view all the answers

Which region of the brain is responsible for regulating autonomic and endocrine function?

Hypothalamus Signup and view all the answers

What is the effect of nicotine on the autonomic nervous system?

Increases blood pressure Signup and view all the answers

Which brain region is strongly connected to the hypothalamus and responsible for emotion and memory function?

Amygdala Signup and view all the answers

What is the function of sympathomimetic drugs?

Increase norepinephrine production and release Signup and view all the answers

Which part of the brain serves as the control center for many homeostatic mechanisms?

Hypothalamus Signup and view all the answers

What does an exogenous chemical refer to?

Substance introduced from outside the body Signup and view all the answers