Podcast
Questions and Answers
Where is smooth muscle located in vessels?
Where is smooth muscle located in vessels?
- Tunica intima
- Tunica adventitia
- Tunica externa
- Tunica media (correct)
What is the particular feature of autonomic neurons at the junction of smooth muscles?
What is the particular feature of autonomic neurons at the junction of smooth muscles?
- Motor end plate
- Varicosities (correct)
- Nodes of Ranvier
- Myelin sheath
Which neurotransmitter is associated with the sympathetic nervous system?
Which neurotransmitter is associated with the sympathetic nervous system?
- Norepinephrine (correct)
- Serotonin
- Acetylcholine
- Dopamine
What is the function of dense bodies in smooth muscles?
What is the function of dense bodies in smooth muscles?
What type of smooth muscle can contract spontaneously and as a unit?
What type of smooth muscle can contract spontaneously and as a unit?
How can calcium concentration increase in a smooth muscle cell?
How can calcium concentration increase in a smooth muscle cell?
What is the role of Ca-Calmoudilin in smooth muscle contraction?
What is the role of Ca-Calmoudilin in smooth muscle contraction?
What is the function of myosin ATPase in smooth muscle contraction?
What is the function of myosin ATPase in smooth muscle contraction?
How does muscle relaxation occur in smooth muscle contraction?
How does muscle relaxation occur in smooth muscle contraction?
What is the significance of the latch bridge cycle in smooth muscle contraction?
What is the significance of the latch bridge cycle in smooth muscle contraction?
What division of the nervous system innervates smooth muscle?
What division of the nervous system innervates smooth muscle?
What neurotransmitter is typically released from the presynaptic neuron in sympathetic innervation?
What neurotransmitter is typically released from the presynaptic neuron in sympathetic innervation?
Where are parasympathetic neurons concentrated according to the text?
Where are parasympathetic neurons concentrated according to the text?
What is the pathway of a sympathetic neuron starting at the intermedio lateral horn?
What is the pathway of a sympathetic neuron starting at the intermedio lateral horn?
Which targets are NOT dually innervated by visceral motor nerves?
Which targets are NOT dually innervated by visceral motor nerves?
What type of receptors respond to acetylcholine (ACH)?
What type of receptors respond to acetylcholine (ACH)?
Where are alpha 2 receptors primarily found?
Where are alpha 2 receptors primarily found?
What is the primary action of beta 2 receptors?
What is the primary action of beta 2 receptors?
Which neurotransmitter is released from the adrenal glands in adrenal innervation?
Which neurotransmitter is released from the adrenal glands in adrenal innervation?
Where does sympathetic innervation release Acetylcholine (ACH) instead of Epinephrine (EP) and Norepinephrine (NE)?
Where does sympathetic innervation release Acetylcholine (ACH) instead of Epinephrine (EP) and Norepinephrine (NE)?
What type of receptors are found on postsynaptic neurons in parasympathetic innervation?
What type of receptors are found on postsynaptic neurons in parasympathetic innervation?
Which cranial nerves are involved in parasympathetic innervation?
Which cranial nerves are involved in parasympathetic innervation?
What is the main effect of parasympathetic innervation on the heart?
What is the main effect of parasympathetic innervation on the heart?
What is the role of muscarinic acetylcholine receptors (mACHr) in parasympathetic innervation?
What is the role of muscarinic acetylcholine receptors (mACHr) in parasympathetic innervation?
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