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?

A premature infant is born at 28 weeks gestation and soon after birth, begins to exhibit signs of respiratory distress, including rapid breathing, grunting, and cyanosis. Which of the following is the most likely cause of this infant's condition?

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?

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?

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?

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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 36-year-old woman had undergone elective breast enhancement, with the insertion of 250-ml saline bags bilaterally. This resulted, unfortunately, in loss of sensation bilaterally in the nipples and areola. What specific single nerve most likely subject to iatrogenic injury?

Following the diagnosis of breast cancer, a 42-year-old woman underwent a total mastectomy, including excision of the axillary tail. Postoperatively, the patient complains of inability to feel sensation in the inner aspect of the arm and axilla. Which nerve was most likely injured during this procedure?