What is the motor supply of the diaphragm?
Correct Answer: Phrenic nerve
Description: Ans. is 'a' i.e., Phrenic nerve Diaphragm OrigininsertionNerve supply1.Sternal partPosterior surface of xiphoid process.* All fibers converge to insert into central tendon* MotorPhrenic nerve (C3C4C5).* Sensoryi) Centrally by phrenic nerve.ii) Peripherally by lower 6 intercostal nerves.2.Costal partInner aspect of lower 6 ribs.3.Lumbar part-i) Right crusUpper 3 lumbar vertebral bodies.ii) Left crus Upper 2 lumbar vertebral bodies.iii) From medial arcuate ligament (medial lumbocostal arch).iv) From lateral arcuate ligament (lateral lumbocostal arch).
Category:
Anatomy
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now