ECAD - Autonomics - {6.05}

What is responsible for pain sensation above the pelvic pain line: parasympathetic or sympathetic NS?

Sympathetic

What is responsible for pain sensation below the pelvic pain line: parasympathetic or sympathetic NS?

Parasympathetic

What is responsible for pain sensation in the testis: parasympathetic or sympathetic NS?

Sympathetic

Which splanchnic nerve is not sympathetic?

Pelvic splanchnic nerve

Do splanchnic nerves carry presynaptic or postsynaptic fibers?

Presynaptic fibers

Where do sympathetic visceromotor fibers synapse?

Prevertebral ganglia

What is number 1?

Celiac plexus

What is number 2?

Superior mesenteric plexus

What is number 3?

Intermesenteric plexus

What is number 4?

Inferior mesenteric plexus

What is number 5?

Superior hypogastric plexus

What is number 6?

Inferior hypogastric plexus

What is number 7?

Celiac ganglion

What is number 8?

Aorticorenal ganglion

What is number 9?

Superior mesenteric ganglion

What is number 10?

Inferior mesenteric ganglion

What is number 11?

Inferior hypogastric ganglion

What spinal levels does the greater splanchnic nerve originate?

T5-T9

What spinal levels does the lesser splanchnic nerve originate?

T10-T11

What spinal levels does the least splanchnic nerve originate?

T12

What spinal levels does the lumbar splanchnic nerve originate?

L1-L2

What spinal levels does the sacral splanchnic nerve originate?

Variable (T10-L2)

Where does the greater splanchnic nerve synapse?

Celiac ganglion

Where does the lesser splanchnic nerve synapse?

Aorticorenal (AR) and Superior mesenteric ganglion

Where does the least splanchnic nerve synapse?

Aorticorenal (AR) and Superior mesenteric ganglion

Where does the lumbar splanchnic nerve synapse?

Inferior mesenteric and Inferior hypogastric ganglion

Where does the sacral splanchnic nerve synapse?

Inferior hypogastric

What do post ganglionic fibers of the greater splanchnic nerve follow branches of?

Celiac trunk

What do post ganglionic fibers of the lesser splanchnic nerve follow branches of?

Renal, adrenal, gonadal arteries

What do post ganglionic fibers of the least splanchnic nerve follow branches of?

Superior mesenteric artery

What do post ganglionic fibers of the lumbar splanchnic nerve follow branches of?

Inferior mesenteric artery

What do post ganglionic fibers of the sacral splanchnic nerve follow branches of?

Internal iliac artery

What is the destination of the greater splanchnic nerve?

Foregut derivatives

What is the destination of the lesser splanchnic nerve?

Kidney, adrenal medulla, gonad

What is the destination of the least splanchnic nerve?

Midgut derivatives

What is the destination of the lumbar splanchnic nerve?

Hindgut derivatives

What is the destination of the sacral splanchnic nerve?

Pelvic viscera

What does the adrenal medulla secrete?

Epinephrine

Which nerve is responsible for anterior parasympathetic efferent in the abdomen?

Left vagus (CN X)

Which nerve is responsible for posterior parasympathetic efferent in the abdomen?

Right vagus (CN X)

Where is the preganglionic neuron for parasympathetic efferent in the abdomen?

Brain stem

Where is the preganglionic neuron for parasympathetic efferent in the pelvis?

IML of S2-4

Where is the preganglionic fibers for parasympathetic efferent in the pelvis?

Pelvic splanchnic nerves (S2-4)

Where is the preganglionic fibers for parasympathetic efferent in the abdomen?

Vagus nerves (Cranial nerve X)

Where is the postganglionic neuron for parasympathetic efferent in the abdomen and pelvis?

Ganglia in wall of organ

Where is the postganglionic fibers for parasympathetic efferent in the abdomen and pelvis?

Directly to organ

What viscera does the vagus nerve control in parasympathetic efferent?

Foregut & midgut derivatives

What viscera does the pelvic splanchnic nerve control in parasympathetic efferent?

Hindgut derivatives & pelvic viscera

What spinal levels carry pain sensation from the stomach, liver, and pancreas?

T5-9

What spinal levels carry pain sensation from the small intestine?

T8-10

What spinal levels carry pain sensation from the large intestine above pelvic pain line?

T10-L2

What spinal levels carry pain sensation from the kidney and ureter?

T10-L1

What spinal levels carry pain sensation from the testis/ovary?

T10-11

What spinal levels carry pain sensation from the pelvic viscera above pelvic pain line?

T10-L2

What spinal levels carry pain sensation from the pelvic viscera below pelvic pain line?

S2-4

What is Hirschsprung disease?

Absence of postganglionic neuron in colon

What is the enteric nervous system?

Intrinsic plexus within the wall of the gastrointestinal tract

What is the function of the enteric nervous system?

Local regulation of gastrointestinal including movements, secretion, and vasomotion

What is a vagotomy?

Surgical procedure to reduce acid production in patients with chronic gastric ulcers

What is a truncal vagotomy?

Section of both trunks

What is selective proximal vagotomy?

Specific branches to most acid producing areas of the stomach

What does a epidural block block sensation of in females?

Cervix, vagina, vestibule

What does a pudendal block block sensation of in females?

Lower vagina, vestibule

What does a celiac plexus block block sensation of?

Pain from foregut derivatives

Pain from inflammation of the tagged structure primarily passes through which of the following structures?

Celiac plexus

The preganglionic parasympathetic neuron of the tagged structure is located in which of the following regions?

Brain stem

A tumor was located at the tagged location that caused pain in the suprapubic region due to stretching of the wall. The cell body of the pain fiber is most likely located at which of the following locations? (Tag: superior surface of the bladder)

Spinal ganglion of T11-L2

Accidental destruction of the pelvic splanchnic nerves will most likely lead to which of the following outcomes?

Diminished motility of the descending colon

Pain sensation from the fundus of uterus reaches which of the following regions?

T12-L2 spinal ganglia

What carries the sensation of distension from this location?

Parasympathetic (Pelvic splanchnic nerve)

What is the location of the preganglionic sympathetic neuron for this location?

IML of spinal cord T10-L2

What is the location of the preganglionic parasympathetic neuron for this location?

IML of spinal cord S2-S4

What is the location of the postganglionic sympathetic neuron for this location?

Inferior mesenteric ganglion

What is the location of the postganglionic parasympathetic neuron for this location?

In the wall of the organ