A patient is urgently taken to the operating room for an emergent cholecystectomy (removal of the gallbladder) due to cholecystitis. During the process of identifying landmarks before surgically removing the infected gallbladder, the surgeon remembers the presence of a portal-caval anastomosis. Which of the following pairs of veins create a portal-caval anastomosis?
A newborn is brought to the pediatrician with headaches, fevers, and change in mental status, mostly manifested as lethargy and lack of appetite. The baby is admitted emergently to rule out meningitis and is to undergo a diagnostic lumbar puncture. When withdrawing cerebrospinal fluid (CSF), the needle may penetrate which of the following pairs of structures?
A patient comes in complaining that she cannot flex her proximal interphalangeal joints. Which of the following muscles appear(s) to be paralyzed on further examination of her finger?
A patient in their 40s has a torn rotator cuff of the shoulder joint as the result of an automobile accident. Which of the following muscle tendons is intact and has normal function?
A patient in their 40s presents with a loss of sensation to the skin over the shoulder. Injury to which of the following nerve cells would most likely affect the conduction of sensory information to the central nervous system?
A patient in their late 20s is involved in a motorcycle wreck that results in avulsion of the skin over the anterolateral leg and ankle. Which of the following structures is most likely destroyed with this type of injury?
A middle-aged woman fell at home and fractured the greater trochanter of her femur. Which of the following muscles would continue to function normally?
A mother with diabetes gives birth to a baby who is diagnosed as having dextroposition of the aorta and the pulmonary trunk with cyanosis and shortness of breath. Which of the following structures is required to remain patent until surgical correction of the deformity?
A motorcycle rider is brought to the city trauma center after a high-speed crash in which his bike spun out of control and struck a metal barrier. He has blunt trauma to his chest and undergoes extensive vascular studies to determine which blood vessels are still intact. The interventional radiologist recalls that one of the following veins drains directly into the superior vena cava. Which vein would this be?
A newborn baby was born with diabetes mellitus due to an inadequate production of insulin. Cells in the endocrine portion of the pancreas that secrete insulin, glucagon, and somatostatin are derived from which of the following?