A 43-year-old man with a complaint of sharp, localized pain over the thoracic wall is diagnosed with pleural effusion. Through which intercostal space along the midaxillary line is it most appropriate to insert a chest tube to drain the effusion fluid?

A 45 year old woman visits the neurologist with sensation of numbness in her hand. Investigations show that her peripheral nerves are compressed, and the myelin sheath is affected.

Which is the single most cell that secretes the affected sheath?

A 30 year old gentleman breathes quietly under resting conditions. An intra-esophageal balloon is used for measuring his intrapleural pressure. What is the expected Intra-alveolar pressure at the end of inspiration, and end of expiration respectively?

A 50 year old man visits the dermatologist with painful skin blisters, the physician examines him and finds that he has herpes zoster virus infection.

Which neurological structure the virus is dormant at?

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A 58 year old woman is examined by her physician with oedema of her lower limb. Examination has shown the cause to be obstruction of a vessel responsible for removal of tissue fluid from the interstitial tissue and return it to the blood.  Which is the affected vessel in this case?

Microscopic examination of a biopsy reveals the presence of spindle shaped muscle fibers 50 µm in length. The nucleus is central and the cytoplasm homogenous with no cross striations. Cells are connected by junctions. Which is the single most likely type of junction connecting these cells?

A patient with a traumatic rib injury presents with difficulty breathing and decreased breath sounds on one side. Imaging reveals a large pneumothorax. An intercostal tube is needed to relieve the pneumothorax. To avoid injury of intercostal nerve and vessels, where should the tube be inserted?

A 52-year-old female patient presents with a lump in her left breast that has been growing progressively over the past few months. Physical examination shows palpable mass in the upper medial quadrant. Which of the following lymph nodes is most likely to be involved in the spread of cancer from the upper medial quadrant of the breast?

A newborn baby is being examined shortly after birth. The physician explains to the parents that significant changes in the baby’s circulation have just occurred. Which of the following changes is most likely to happen immediately after birth?