Lectus

A 28-year-old psychiatry resident is treating a 35-year-old patient diagnosed with narcissistic personality disorder. During therapy sessions, the patient frequently makes grandiose statements about his superior intelligence and dismisses the resident's interventions as "beneath his intellectual level." The resident finds himself becoming increasingly frustrated and begins to feel inadequate and incompetent. He starts arriving late to sessions and finds himself being more confrontational with the patient. What is the most appropriate initial step for the resident to take in managing this situation?Deselect Answer

A 23-year-old man presents to a primary care provider because he complained of a few days of diarrhea, vomiting, and fever. He is diagnosed with bacterial gastroenteritis based on his stool tests. Being a microbiology student, he is aware that the epithelial linings of the gastrointestinal, respiratory, and skin act as barriers to infection, but he forgot the role of specific T cells in innate immunity. He asked the provider if he knew. Which of the following specific T cells are involved in the recognition of microbial lipids?Deselect Answer

A 6-year-old girl presents with recurrent urinary tract infections. Imaging studies reveal complete duplication of the left collecting system with two separate ureters. The upper pole ureter inserts into the bladder neck, while the lower pole ureter has a normal insertion. During embryological development, which of the following best explains the mechanism underlying this patient's condition?Deselect Answer

A 58-year-old construction worker presents to his physician with a 3-year history of progressive thickening and contracture of his right palm. He reports difficulty fully extending his ring and little fingers, which have gradually curled inward toward his palm. The patient denies any history of trauma to his hand but notes that his father had a similar condition. Physical examination reveals a firm, nodular thickening of the palmar fascia with palpable cords extending toward the affected digits. The ring finger shows a 30-degree flexion contracture at the metacarpophalangeal joint. A biopsy of the affected palmar fascia is performed, revealing increased cellularity with spindle-shaped cells that stain positive for smooth muscle actin. Which of the following best describes the primary cellular mechanism underlying the pathogenesis of this patient's condition?Deselect Answer