Dental Physiology: Autonomic Nervous System 2

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What is the primary effect of sympathetic nervous system on the liver?

Decrease metabolic rate

Glycogen synthesis

Decrease fibrinogen synthesis

Glycogenolysis (hyperglycemia) (correct)

What is the main effect of noradrenaline released by the sympathetic nervous system on the cardiovascular system?

Bradycardia

Decrease arterial blood pressure (correct)

Increase cardiac contractility

Vasodilation

Which neurotransmitter is predominantly secreted by the adrenal medulla under sympathetic stimulation?

Serotonin

Dopamine

Adrenaline (correct)

Noradrenaline

What is the primary effect of the sympathetic nervous system on the liver?

Induction of hypoglycemia Signup and view all the answers

How does the sympathetic nervous system affect the gastrointestinal tract?

Relaxation of wall Signup and view all the answers

What is the effect of sympathetic stimulation on the male genitalia?

Ejaculation Signup and view all the answers

Under sympathetic stimulation, what effect does noradrenaline predominantly have on the cardiovascular system?

Increase in arterial blood pressure via α1 receptors Signup and view all the answers

How does the sympathetic nervous system affect the gastrointestinal tract?

Inhibition of wall relaxation Signup and view all the answers

Which cranial nerve is responsible for pupil constriction in the eye as part of the parasympathetic nervous system?

Oculomotor nerve (3rd cranial nerve) Signup and view all the answers

What is the effect of sympathetic stimulation on the urinary bladder?

Inhibition of urine retention Signup and view all the answers

Which neurotransmitter is predominantly secreted by the adrenal medulla under sympathetic stimulation?

Adrenaline Signup and view all the answers

Which part of the body is primarily affected by the parasympathetic nervous system originating from the sacral outflow of S2-S4?

Pelvis Signup and view all the answers

Which cranial nerve originates from the inferior salivary nucleus in the medulla and is responsible for increasing secretions in the parotid gland?

Glossopharyngeal nerve (9th cranial nerve) Signup and view all the answers

Which cranial nerve originating from the superior salivary nucleus in the pons is responsible for increasing secretions in the sublingual and submandibular glands?

Facial nerve (7th cranial nerve) Signup and view all the answers

Which part of the body is primarily affected by the parasympathetic nervous system originating from the cranio-sacral outflow?

Head and neck Signup and view all the answers

Dental Physiology: Autonomic Nervous System 2

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Questions and Answers

What is the primary effect of sympathetic nervous system on the liver?

What is the main effect of noradrenaline released by the sympathetic nervous system on the cardiovascular system?

Which neurotransmitter is predominantly secreted by the adrenal medulla under sympathetic stimulation?

What is the primary effect of the sympathetic nervous system on the liver?

How does the sympathetic nervous system affect the gastrointestinal tract?

What is the effect of sympathetic stimulation on the male genitalia?

Under sympathetic stimulation, what effect does noradrenaline predominantly have on the cardiovascular system?

How does the sympathetic nervous system affect the gastrointestinal tract?

Which cranial nerve is responsible for pupil constriction in the eye as part of the parasympathetic nervous system?

What is the effect of sympathetic stimulation on the urinary bladder?

Which neurotransmitter is predominantly secreted by the adrenal medulla under sympathetic stimulation?

Which part of the body is primarily affected by the parasympathetic nervous system originating from the sacral outflow of S2-S4?

Which cranial nerve originates from the inferior salivary nucleus in the medulla and is responsible for increasing secretions in the parotid gland?

Which cranial nerve originating from the superior salivary nucleus in the pons is responsible for increasing secretions in the sublingual and submandibular glands?

Which part of the body is primarily affected by the parasympathetic nervous system originating from the cranio-sacral outflow?

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