Anatomy Mock Flashcards

Which structure passes through the foramen ovale of the skull base?

Answer: Mandibular nerve (V3)

The mandibular division of the trigeminal nerve (V3) passes through foramen ovale, along with the lesser petrosal nerve and accessory meningeal artery.

On a coronal MRI of the knee, which structure lies within the intercondylar notch?

Answer: Anterior and posterior cruciate ligaments

The anterior and posterior cruciate ligaments are intra-articular but extrasynovial structures residing within the intercondylar notch of the femur.

The right renal artery passes posterior to which structure on cross-sectional imaging?

Answer: Inferior vena cava

The right renal artery passes posterior to the inferior vena cava, right renal vein, and head of the pancreas to reach the right kidney.

Which segment of the liver is located between the gallbladder fossa and the inferior vena cava on the visceral surface?

Answer: Segment IV (quadrate lobe)

Segment IV (quadrate lobe) lies between the gallbladder fossa laterally and the ligamentum teres/falciform ligament medially on the inferior surface of the liver.

On a lateral chest radiograph, the posterior tracheal wall is bordered by which structure?

Answer: Oesophagus

The oesophagus lies directly posterior to the trachea; the tracheoesophageal stripe should be less than 4 mm on a lateral chest X-ray.

In the carpal tunnel, which structure is most superficial (closest to the flexor retinaculum)?

Answer: Median nerve

The median nerve lies directly deep to the flexor retinaculum, making it the most superficial structure within the carpal tunnel proper.

Which lymph node station receives primary lymphatic drainage from the lower lobe of the right lung?

Answer: Subcarinal nodes (station 7)

Subcarinal nodes (station 7) receive primary drainage from both lower lobes and the right middle lobe before draining to the paratracheal chain.