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WorksheetsDiaphragm and Intercostal Muscles Quiz
Total questions: 20
Worksheet time: 10mins
The diaphragm develops from all of the following except?
Septum transversum
Pleuroperitoneal membrane
Dorsal mesentery of foregut
Neural crest cells
The diaphragm is innervated by?
Intercostal nerves
Vagus nerve
Phrenic nerve
Thoracodorsal nerve
The main opening for the inferior vena cava in the diaphragm is at which vertebral level?
T6
T8
T10
T12
Esophageal opening in diaphragm is at?
T6
T8
T10
T12
The diaphragm receives blood supply from?
Internal thoracic artery
Superior phrenic artery
Inferior phrenic artery
All of the above
Which structure passes through the aortic hiatus of diaphragm?
Esophagus
IVC
Aorta
Thoracic duct
A lesion of phrenic nerve causes?
Respiratory failure
Diaphragmatic paralysis
Hiccups
Esophageal spasm
A congenital diaphragmatic hernia most commonly occurs through?
Esophageal hiatus
Foramen of Morgagni
Foramen of Bochdalek
Aortic hiatus
Which part of diaphragm is muscular?
Central tendon
Peripheral part
All of it is fibrous
Crura only
The muscle fibers of diaphragm insert into the?
Aortic arch
Central tendon
Ligamentum arteriosum
Costal margin
How many intercostal spaces are present on each side?
10
11
12
13
Contents of a typical intercostal space include?
Vein only
Vein and artery only
Vein, artery and nerve
Nerve only
The neurovascular bundle in an intercostal space lies between?
External and internal intercostal muscles
Internal intercostal and innermost intercostal
Innermost and transversus thoracis
Transversus thoracis and pleura
Which of the following is the correct order from superior to inferior in a typical intercostal neurovascular bundle?
Vein-Artery-Nerve
Nerve-Artery-Vein
Artery-Vein-Nerve
Artery-Nerve-Vein
Posterior intercostal arteries are branches of?
Internal thoracic artery
Descending thoracic aorta
Brachiocephalic artery
Subclavian artery
Anterior intercostal arteries arise from?
Thoracic aorta
Internal thoracic artery
Subcostal artery
Costocervical trunk
Which muscle forms the outermost layer of intercostal muscles?
Innermost intercostal muscle
Internal intercostal muscle
External intercostal muscle
Subcostalis muscle
Which muscle helps in expiration among intercostals?
External intercostals
Internal intercostals
Diaphragm
Serratus posterior superior
The space between adjacent ribs is called?
Costal margin
Intercostal space
Pleural cavity
Paravertebral space
Referred pain in diaphragmatic irritation is felt at?
Umbilicus
Inguinal region
Shoulder
Cervical region
