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Physiology (Gastrointestinal) > Gastric Motility > Flashcards

Gastric Motility Flashcards

1
Q

Name the 5 parts of gastric anatomy

A 
cardia
fundus
body (corpus)
antrum
pylorus
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2
Q

Name the 2 parts of gastric physiology

A

proximal stomach

distal stomach

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3
Q

What type of contractions does the proximal stomach have?

A

Slow-sustained contractions

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4
Q

What type of contractions does the distal stomach have?

A

Peristaltic contractions

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5
Q

Name the 4 physiological properties of the proximal stomach

A

receptive relaxation
accommodation
eructation
liquid emptying

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6
Q

Name the 4 physiological properties of the distal stomach

A

propulsion
trituration
retropulsion
solid emptying

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7
Q

What are the 5 factors regulating gastric emptying?

A 
physics of emptying
post-prandial patterns
modifying factors
small intestinal regulation
interdigestive patterns
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8
Q

Physics of gastric emptying (3)

A

rate of emptying
pressure difference
pyloric resistance

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9
Q

Post prandial patterns of gastric emptying

A

liquids are emptied faster than solids

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10
Q

Modifying factors of gastric emptying (8)

A 
gravity
temperature
volume
composition
acidity
osmolarity
viscosity
energy density
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11
Q

Small intestinal regulation of gastric emptying

A

acid receptor in proximal duodenum senses too much H+ and closes pylorus

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12
Q

Interdigestive patterns of gastric emptying

A

migrating motility complex

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13
Q

Clinical signs of oral cavity disease

A 
dysphagia
salivation
gagging
abnormal drinking
dropping food
immediate food ejection (undigested)
occasional odynophagia
multiple swallowing attempts
discharge
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14
Q

Clinical signs of esophageal disease

A 
some dysphagia
regurgitation
salivation
delayed food ejection (undigested)
frequent odynophagia
singe-multiple swallowing attempts
dyspnea/cough
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15
Q

Clinical signs of stomach disease

A 
vomiting
salivation
delayed food ejection (digested)
single swallowing attempts
retching
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16
Q

Examples of delayed gastric emptying disorders

A 
post-gastric dilatation/volvulus
infectious/inflammatory gastritis
gastric erosion and ulcer
autonomic neuropathy
electrolyte disturbance (K+, Ca2+, Mg2+)
metabolic disorders (uremia, addison's disease, diabetes mellitus)

Physiology (Gastrointestinal) (14 decks)

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