Top 150+ Solved Thorax MCQ Questions Answer

a. The umbilicus receives cutaneous innervation from T8

b. The neurovascular bundle lies between the external and the internal intercostal muscles

c. The nipple receives cutaneous innervation from T6

d. The intercostal nerve lies inferior to the intercostal artery

e. The suprapubic skin is innervated by T10

a. Vagal nerve trunk

b. Oesophageal branches of gastric artery

c. Lymphatics

d. Right phrenic nerve

e. Veins – oesophageal branches of gastric veins

a. T12

b. T8

c. T10

d. L1

e. C7

a. It is a component of the middle mediastinum

b. It begins at the level of T3 vertebra

c. It passes through the diaphragm behind the lateral arcuate ligament

d. It begins at the beginning of the arch of the aorta

e. It passes to the abdomen at the level of T12

a. Apex of lungs rises 5cm above the lateral third of clavicle

b. Oblique fissure follows approximately the axis of 6th rib

c. The two pleura diverge away at 6th costal cartilage level behind sternum

d. Transverse fissure of right lung is at 6th costal cartilage level

e. Oblique fissure following medial border of scapula on abducted arm

a. Aortic

b. Mitral

c. Pulmonary

d. Pulmonary and aortic

e. Tricuspid

a. The horizontal fissue is always present in the right side

b. The fissures create a roughened surface to promote easier expansion

c. The obliquity of the fissure ensures better expansion of the apex of the lung

d. The lingual is a separate lobe of the left side

e. Only 2% of lungs have incomplete oblique fissures

a. Passes down through the mediastinum posterior to the lung root

b. Is the sole motor supply to the right dome of diaphragm and crus

c. Gives off the right recurrent laryngeal nerve in the neck

d. Contains 50% motor and 50% sensory fibres

e. Divides into two main branches on the under surface of diaphragm

a. The oesophagus lies against the body of C5

b. The arch of aorta passes from right to left

c. On the right side, the trachea is separated from the vagus nerve and apex of the lung

d. The veins entering the superior mediastinum lie behind the arteries

e. The trachea touches the jugular notch of the manubrium

a. Left side of the heart is more important

b. Posterior interventricular branch is given off from right coronary artery

c. Posterior interventricular branch is given off bya a large anterior interventricular artery traveling off left coronary artery

d. It is more common than right dominance

e. It is given off directly from left coronary artery

a. The intercostal artery is more superficial than the vein

b. The intercostal artery lies between the intercostal nerve and vein

c. The transverses muscle lies between the external and internal intercostals

d. The neurovascular bundle lies between the external and internal intercostals

e. All of the above

a. T6

b. T8

c. T10

d. T11

e. T12

a. Vagus nerve

b. Right subclavian artery

c. Left subclavian artery

d. Thoracic duct

e. Superior vena cava

a. Has the oesophageal opening opposite T8 vertebra

b. Is supplied by the 5th, 6th and 7th cervical nerve roots

c. Has a major role in expiration

d. Has a vena caval foramen opposite T10 vertebra

e. Has an aortic opening opposite T12 vertebra

a. The carina lies at the level of the upper border of the T4 vertebra in the cadaver

b. The thoracic duct drains into the superior vena cava

c. C4 and T3 are adjacent dermatomes

d. The trachea lies in contact with the manubrium

e. The apex of the lung is above the thoracic inlet