Q- Which one of the following cranial openings is located at the greater wing of sphenoid and contains the middle meningeal artery?
A- Foramen lacerum
B- Foramen ovale
C- Foramen rotundum
D- Foramen spinosum
D- Foramen spinosum- The only structure passes through this opening is the middle meningeal artery. A- Contains internal carotid artery, greater petrosal nerve and deep petrosal nerve. B- Contains mandibular division of trigeminal nerve and accessory meningeal artery. C- Contains maxillary division of trigeminal nerve.
Q- Vertebral artery arises from which one of the following arteries?
A- Common carotid artery
B- External carotid artery
C- Internal carotid artery
D- Subclavian artery
D- Subclavian artery- Vertebral artery arises from the subclavian artery at the root of the neck.
Q- In case of transposition of the great arteries, the pulmonary artery arises from which one of the following parts of the heart?
A- Left atrium
B- Left ventricle
C- Right atrium
D- Right ventricle
B- Left ventricle- TOG is a cyanotic heart disease in which the pulmonary artery arises from the left ventricle while the aorta arises from the right ventricle.
