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3. A healthy 25-year-old woman who is at 24 weeks' gestation develops heartburn within an hour after eating. Which of the following is the most likely cause?
A) Decreased competency of the lower esophageal sphincter
B) Decreased esophageal motility
C) Increased gastric acid production
D) Increased gastric emptying
E) Increased gastric motility

samar

c

ash

a- decreased competency of sphincter- progestogenic relaxation of spincters

Lu

a..

anshuman3

answer should be "a"
factors decreasing lower esophageal sphincter tone
1.progesterone
2.alcohol
3.fatty food
4.tea,coffee,mint,chocolate
5.anticholinergics
6.morphine
7.diazepam
8.alfa blockers
9.ca channel blockers
10.cck
11.glucagon,vip
12.smoking
13.nsaids
14.fundic gas distension-
15.adenosine
16.NO donar
17.theophyllin

kti

answer i s a