Cell bodies of the preganglionic sympathetic neurons are located within the

A 55-year-old patient presents with hypotension, warm extremities, and flushed skin. Their cardiac output is normal, but their systemic vascular resistance is significantly decreased. What mechanism contributes to the warm extremities? 

Please match the correct pair of economic terms with their appropriate examples.

Which of these characteristics definitively distinguishes the autonomic nervous system from the somatic motor system?

A 6-month-old infant presents with cyanosis, failure to gain weight, and squatting during play. Which congenital heart defect is most likely associated with these clinical findings?

Which of the following mechanisms primarily leads to hypoxemia in restrictive lung disorders?

A 45-year-old female patient with a history of hypertension presents with complaints of shortness of breath, fatigue, and swelling in her legs. Diagnostic tests revealed an enlarged heart, systolic dysfunction, but normal diastole. What additional finding would you expect to observe in this patient?

A 70-year-old woman presents with gradual central vision loss in both eyes. She reports difficulty reading and recognizing faces, although her peripheral vision remains intact. What is the most likely diagnosis?

A patient in the Medical Intensive Care Unit (MICU) is diagnosed with sepsis and severe hypoxemia. After 17 days in the MICU, his condition has not improved, and a repeat chest X-ray shows significant changes in lung architecture with worsening gas exchange. Which of the following pathophysiological changes is most likely contributing to his ongoing hypoxemia at this stage?

A 52-year-old male with a 40-pack-year smoking history presents to the clinic with a chronic cough, unexplained weight loss, and recent onset of digital clubbing. His oxygen saturation is 88% on room air. A chest X-ray reveals a suspicious mass in the right upper lobe. Which of the following is the most likely underlying condition causing the patient’s clubbing?