Autonomic Nervous System: Chapter 15.1 Quiz

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What are the two main divisions of the autonomic nervous system?

Sympathetic and parasympathetic (correct)

Intramural and terminal

Thoracolumbar and cranial

Preganglionic and postganglionic

Where do sympathetic signals originate from in the thoracolumbar system?

Intramural ganglia

Celiac and superior mesenteric ganglia

Collateral ganglia

Thoracic and superior lumbar nerves (correct)

Which part of the autonomic nervous system is responsible for the 'fight or flight' response?

Parasympathetic division

Sympathetic division (correct)

Intramural ganglia

Terminal ganglia

Where does a preganglionic fiber lead to in the parasympathetic division?

Terminal ganglia Signup and view all the answers

Which part of the autonomic nervous system gets a direct connection from preganglionic fibers to release molecules?

Adrenal medulla Signup and view all the answers

Where do postganglionic fibers in the parasympathetic division tend to be located?

Shorter Signup and view all the answers

What is the second signaling molecule in the adrenergic synapse?

Epinephrine Signup and view all the answers

In the cholinergic synapse, which type of receptor does acetylcholine act on?

Nicotinic and G protein receptors Signup and view all the answers

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

Afferent branch Signup and view all the answers

In the autonomic reflexes, what is the conscious perception of autonomic sensation known as?

Referred Pain Signup and view all the answers

What would be the heart rate without the parasympathetic signal to slow it down?

$100$ bpm Signup and view all the answers

What type of reflex is completely peripheral and has the synapse in the ganglia?

Short reflex Signup and view all the answers

Which of the following is NOT a function of the hypothalamus?

Processing visual information Signup and view all the answers

Which part of the brain is responsible for emotion and memory function?

Queen Amygdala Signup and view all the answers

What effect does nicotine have on the autonomic nervous system?

Has a sympathetic effect, increasing blood pressure and affecting heart rhythm Signup and view all the answers

Which drugs enhance adrenergic function by binding to receptors, increasing norepinephrine production and release, and/or blocking removal of norepinephrine?

Both A and B Signup and view all the answers

Which statement about somatic reflexes is FALSE?

They are controlled by the hypothalamus Signup and view all the answers

What is the role of the medial forebrain bundle and dorsal longitudinal fasciculus in the context of the hypothalamus?

Facilitating communication between different parts of the brain Signup and view all the answers