Exam 3 Regan
Autonomic Nervous System Quiz
Test your knowledge on the autonomic nervous system with this comprehensive quiz! This quiz covers various aspects of the sympathetic and parasympathetic divisions, as well as the enteric nervous system, ensuring a thorough understanding of these vital components of human physiology.
- 50 engaging multiple-choice questions
- Focus on key concepts and terminologies
- Ideal for students, educators, and enthusiasts alike
All somatic motor efferent nerves consist of two neurons.
True
False
Somatic nerves are all ______________ and release _______________ to activate ___________ receptors at the neuromuscular junction
Cholinergic, norepinephrine, nicotinic cholinergic
Adrenergic, norepinephrine, nicotinic cholinergic
Cholinergic, acetylcholine, muscarinic cholinergic
Cholinergic, acetylcholine, nicotinic cholinergic
Visceral (autonomic) afferent nerves carry information related to tension, pressure, organ distension, bowel and bladder fullness, and dull pain.
True
False
All autonomic motor nerves consist of:
Both a pre-ganglionic nerve and a post-ganglionic nerve
Only a pre-ganglionic nerve
Only a post-ganglionic nerve
Single neurons
The anatomical arrangement and the neurotransmitters and receptors used by the parasympathetic and sympathetic divisions of the ANS are the same.
True
False
The cell bodies of the sympathetic nervous system originate in the:
Cranio region
Sacral region
Thoraco region
Lumbar region
A and C
A and D
C and D
B and C
The cell bodies of the parasympathetic nervous system originate in the:
Cranio region
Sacral region
Thoraco region
Lumbar region
A and B
B and C
C and D
A and C
In the sympathetic nervous system, the pre-ganglionic nerves are _______ and the post-ganglionic nerves are ________.
Short, long
Short, short
Long, short
Long, long
Preganglionic neurons in the sympathetic nervous system can activate 20-200 postganglionic neurons.
True
False
Which are adrenergic receptors?
Alpha-1
Alpha-2
Beta-1
Beta-2
All of the above
(Sympathetic) Most post-ganglionic neurons are ____________ which releases ___________.
Cholinergic, norepinephrine
Adrenergic, norepinephrine
Cholinergic, acetylcholine
Adrenergic, acetylcholine
All pre-ganglionic neurons in the autonomic nervous system are cholinergic and release acetylcholine.
True
False
Cholinergic pre-ganglionic and adrenergic post-ganglionic neurons activate adrenergic receptors on apocrine sweat glands.
True
False
Cholinergic pre-ganglionic and adrenergic post-ganglionic neurons activate muscarinic cholinergic receptors on eccrine sweat glands.
True
False
The adrenal medulla is essentially a specially modified ______-ganglionic neuron and secretes ________ and ________
Post, epinephrine, norepinephrine
Pre, epinephrine, norepinephrine
Post, acetylcholine, dopamine
Pre, acetylcholine, nicotine
Most post-ganglionic sympathetic nerves are adrenergic and activate adrenergic receptors in the effector organs EXCEPT:
Apocrine sweat glands
Eccrine sweat glands
Kidneys
A and B
B and C
A and C
Parasympathetic nervous system contains _______ pre-ganglionic nerve and ________ post-ganglionic nerve.
Short, long
Short, short
Long, long
Long, short
Post-ganglionic nerves in the parasympathetic nervous system can actually be inside the target organ.
True
False
Parasympathetic division of ANS is ___________ and are ______ to ________.
Cholinergic, one-to-one
Adrenergic, two-to-one
Cholinergic, two-to-two
Adrenergic, one-to-one
(Parasympathetic) All pre-ganglionic neurons are __________ and activate ____________ receptors on the post-ganglionic neuron.
Adrenergic, nicotinic
Cholinergic, nicotinic
Adrenergic, muscarinic
Cholinergic, muscarinic
(Parasympathetic) All post-ganglionic neurons are ___________ and activate __________ receptors on the effector (target) organs.
Adrenergic, nicotinic
Cholinergic, nicotinic
Adrenergic, muscarinic
Cholinergic, muscarinic
Parasympathetic nerves are mono-synaptic, which are more discrete and allow better control for rest and digest activities.
True
False
The myenteric plexus of the enteric nervous system innervates:
Longitudinal muscle
Circular muscle
Submucosa
Mucosa
A and B
B and C
ANS heart rate: sympathetic stimulates (_________) and parasympathetic inhibits (_______)
Beta-2, beta-1
Beta-1, M2
Alpha-1, M2
Alpha-1, beta-1
ANS eye-pupil: sympathetic __________ (alpha-1) and parasympathetic __________ (M3).
Dilates, constricts
Constricts, dilates
ANS lungs SM: sympathetic ___________ (__________) and parasympathetic _____________ (_______).
Constricts (M3), relaxes/dilates (beta-2)
Inhibits (M2), stimulates (beta-1)
Relaxes/dilates (beta-2), constricts (M3)
Stimulates (M2), inhibits (beta-1)
Increased heart rate is a parasympathetic response.
True
False
Sweating due to heat is a cholinergic response.
True
False
Dilation of the airways results from stimulation of muscarinic cholinergic receptors.
True
False
Select all that apply: Which of the following cholinergic receptor sites have nicotinic receptors?
Cardiac muscle
Exocrine glands
Smooth muscle
Ganglia (PNS & SNS) & Adrenal Medulla
Skeletal muscle end plate
Sweat glands (sympathetic NS)
Brain and spinal cord
Select all that apply: Which of the following cholinergic receptor sites have muscarinic receptors?
Cardiac muscle
Exocrine glands
Smooth muscle
Ganglia (PNS & SNS) & Adrenal Medulla
Skeletal muscle end plate
Sweat glands (sympathetic NS)
Brain and spinal cord
Select all that apply: Which of the following adrenergic receptor sites have alpha receptors?
Resistance blood vessels
Capacitance blood vessels
Smooth muscle of most organs
Presynaptic (but also post-synaptic)
Cardiac muscle
Respiratory smooth muscle
Blood vessels in skeletal muscle
Skeletal muscle
Smooth muscle of GI tract
Urinary tract
Fat Cells
Renal/Mesenteric blood vessels
Select all that apply: Which of the following adrenergic receptor sites have beta receptors?
Resistance blood vessels
Capacitance blood vessels
Smooth muscle of most organs
Presynaptic (but also post-synaptic)
Cardiac muscle
Respiratory smooth muscle
Blood vessels in skeletal muscle
Skeletal muscle
Smooth muscle of GI tract
Urinary tract
Fat cells
Renal/Mesenteric blood vessels
Select all that apply: Drugs may influence which of these steps in a cholinergic effector organ synapse
Biosynthesis
Vesicular uptake
Vesicular downtake
Release
Receptor activation
Metabolism
Reuptake
Which step of a noradrenergic effector organ synapse is a target of a lot of depression medications?
Biosynthesis
Vesicular uptake
Release
Receptor activation
Reuptake
Metabolism
Will a reuptake inhibitor in a sympathetic postganglionic neuron mimic or block norepinephrine?
Mimic NE
Block NE
Neither
Will a receptor antagonist in a sympathetic postganglionic neuron mimic or block norepinephrine?
Mimic NE
Block NE
An example of a heteroreceptor in a cholinergic neuron would be a pre-synaptic adrenergic receptor.
True
False
Inhibition of any receptor facilitates more of the neurotransmitter availability by inhibiting the uptake.
True
False
What is the correct order of the biosynthetic pathway for dopamine, norepinephrine, and epinephrine?
Tyrosine, Dopamine, DOPA, Norepinephrine, Epinephrine
DOPA, Dopamine, Tyrosine, Epinephrine, Norepinephrine
Dopamine, DOPA, Tyrosine, Norepinephrine, Epinephrine
Tyrosine, DOPA, Dopamine, Norepinephrine, Epinephrine
The metabolic pathway for norepinephrine and epinephrine results in which of the following?
Normetanephrine-sulfate
VMA
Metanephrine-sulfate
All of the above
A and B
B and C
When this receptor is activated, it is responsible for the increased contractility of the heart.
Beta-1
Beta-2
Alpha-1
Alpha-2
When the _________ receptor of the sinoatrial node is activated, it accelerates. When the ____________ receptor of the sinoatrial node is activated, it decelerates.
Alpha-1, M2
Beta-1, M2
Beta-1, M1
Alpha-2, M2
The __________ receptor contracts the radial muscle in the eye causing ___________.
Beta-2, mydriasis
M3, miosis
Alpha-2, miosis
Alpha-1, mydriasis
The ____________ receptor contracts the circular muscle in the eye causing _________.
M3, miosis
M3, mydriasis
Beta-2, miosis
Alpha-1 mydriasis
The activation of the beta-2 receptor in bronchiolar smooth muscle causes:
Contraction
Relaxation
No reaction
Inhibition of the M3 receptor in bronchiolar smooth muscle causes:
Contraction
Relaxation
No reaction
Is the sympathetic or parasympathetic nervous system responsible for the relaxation of the bladder wall? And which receptor?
Sympathetic
Parasympathetic
Alpha-1
Beta-1
Beta-2
M3
M1
Which receptor is responsible for contraction of the bladder wall?
M3
M1
Beta-1
Alpha-2
The receptor (M3) that is responsible for relaxation of the bladder sphincter also contracts the bladder wall.
True
False
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