autonomic control of the colon (ANS AND PNS) Flashcards

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1
Q

WHAT ARE THE FUNCTIONS OF THE LARGE INTESTINE

A

ABSORBTION OF WATER AND ELECTROLYTES IN/OUT OF BLOOD VOLUME
SMALL DIGESTIVE ROLE
PROPULSION
SYNTHESIS OF VIT B AND K
STORAGE OF FAECES

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2
Q

WHAT IS THE ROLE OF VITAMIN B

A

DNA SYNTHESIS, NEURAL TISSUE HEALTH

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3
Q

WHAT IS THE ROLE OF VITAMIN K

A

BLOOD CLOTTING

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4
Q

WHAT IS THE NAME OF THE PROPELLING CONTRACTIONS OF THE LARGE INTESTINE

A

HAUSTRAL CONTRACTION

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5
Q

HOW OFTEN DO HAUSTRAL CONTRACTIONS OCCUR

A

EVERY 30 MINS

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6
Q

WHAT IS THE PARASYMPATHETIC NERVE SUPPLY OF THE LARGE INTESTINE UNTIL THE SPLENIC FLEXURE

A

CN X

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7
Q

WHAT IS THE SYMPATHETIC SUPPLY TO THE LARGE INTESTINE

A

ABDOMINOPELVIC SPLANCHNIC NERVE (T10-L2)

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8
Q

WHAT IS THE PARASYMPATHETIC NERVE SUPPLY OF THE LARGE INTESTINE FOLLOWING THE SPLENIC FLEXURE

A

PELVIC SPLANCHNIC NERVE S2-4

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9
Q

WHAT ARE THE 4 NERVE SUPPLIES TO THE LARGE INTESTINE

A

ENTERIC NS
PARASYMPATHETIC NS
SYMPATHETIC NS
VISCERAL AFFERENTS

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10
Q

WHERE DOES THE ANAL CANAL INFERIOR TO THE PECTINATE LINE GET INNERVATION FROM

A

SOMATIC MOTOR AND SENSORY FROM PUDENDAL NERVE S2-4

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11
Q

WHAT DOES THE ENTERIC NERVOUS SYSTEM SUPPLY

A

INTRINSIC NERVES THAT SUPPLY THE CAECUM TO ANAL CANAL

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12
Q

WHAT PLEXUSES DOES THE ENTERIC NERVOUS SYSTEM CONSIST OF

A

SUBMUCOSAL AND MYENTERIC PLEXUSES

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