Gut Motility and Peristalsis
- Previous year questions on Gut Motility and Peristalsis for NEET PG (National Eligibility cum Entrance Test - Postgraduate), from the Physiology section of the exam.
- Most questions here come from previous-year papers of Indian postgraduate medical entrance and licensing exams; where a paper and year are recorded the question carries them. The image-based questions are original vignettes written around an openly licensed figure, and were never asked in any exam.
- 76 live questions in Gut Motility and Peristalsis.
- 1 of 76 questions carries a verified exam year: 2017.
- Physiology is worth about 17 of 300 questions on the exam. See every subject’s weightage.
- Question set last updated 6 Sept 2026.
Q1.LES pressure is decreased by all except:
- AAlcohol
- BGastrin✓ Correct answer
- CFat
- DPeppermint
Q2.Lower esophageal sphincter pressure is increased by all of the following substances, EXCEPT:
- AGastrin
- BVasopressin
- CGlucagon
- DSecretin✓ Correct answer
Q3.The absence of intestinal motility in the normal small intestine is best described as
- AA migrating motor complex
- BAn interdigestive state
- CSegmentation
- DPhysiological ileus✓ Correct answer
Q4.Small intestinal peristalsis is controlled by :
- AMyenteric plexus✓ Correct answer
- BMeissners plexus
- CVagus nerve
- DPara sympathetic system
Q5.Which of the following does not stimulate enterogastric reflex?
- AProducts of protein digestion in the duodenum
- BDuodenal distension
- CH+ ions bathing duodenal mucosa
- DCholecystokinin✓ Correct answer
Q6.Slow wave potential originates in which part of intestine:
- AInterstitial cells of Cajal✓ Correct answer
- BParasympathetic neurons
- CSmooth muscle cells
- DMyenteric plexus
Q7.Migratory motor complexes in the gut reappear after intervals of:
- A60 minutes
- B90 minutes✓ Correct answer
- C120 minutes
- D150 minutes
Q8.What is the sequence of gastric emptying?
- AFat > protein > carbohydrate✓ Correct answer
- BFat > carbohydrate > protein
- CProtein > fat > carbohydrate
- DEqual for all three substances
Q9.Characteristic of smooth muscle cells in intestine
- ADoes not have actin and myosin
- BCannot do sustained contraction
- CIt contracts when stretched in the absence of any extrinsic innervation✓ Correct answer
- DDoes not require calcium for contraction
Q10.Migrating motor complexes are due to which Gastrointestinal hormone?
- AGastrin
- BMotilin✓ Correct answer
- CCCK
- DVIP
Answer key
Q1: B. Gastrin; Q2: D. Secretin; Q3: D. Physiological ileus; Q4: A. Myenteric plexus; Q5: D. Cholecystokinin; Q6: A. Interstitial cells of Cajal; Q7: B. 90 minutes; Q8: A. Fat > protein > carbohydrate; Q9: C. It contracts when stretched in the absence of any extrinsic innervation; Q10: B. Motilin.
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