A 23-year-old college student presents with 2 to 3 weeks of…

A 23-year-old college student presents with 2 to 3 weeks of frequent stools that are mixed with blood and mucus. The frequent stools are associated with worsening tenesmus. Vital signs are within normal limits, and the physical examination is normal. The white blood cell count is also normal, and stool testing for infectious agents is negative. Which one of the following is the best next step in evaluating this patient?

A 41-year-old woman presents with acute-onset right-sided fa…

A 41-year-old woman presents with acute-onset right-sided facial weakness. She reports weakness to the right side of her face that started this morning upon awakening. She has a history of Lyme Disease. Her vital signs are normal. On physical examination, she has a right-sided facial droop when asked to smile, and she is unable to raise the right eyebrow or completely close her right eye. Her pupils are equal, round, and reactive to light, and there is no gaze palsy present. Sensation is intact to both sides of her face, and her tongue is midline. Examination of her arms and legs reveals no focal weakness or sensory deficit, and shoulder shrug and head turn are equal bilaterally. Based on the history and physical examination, which of the following is the most likely diagnosis?

A 49-year-old man presents to the clinic for evaluation of s…

A 49-year-old man presents to the clinic for evaluation of skin redness. He reports a sudden onset of erythema and pain to his left lower extremity. He reports the affected area has almost doubled in size since onset, which was yesterday. On exam, you note tenderness with light palpation and warmth to the affected area. The patient has a fever of 101.3°F. He has a medical history of hypertension and diabetes. Which of the following is the most likely diagnosis?

The nurse practitioner is working in a clinic with a provide…

The nurse practitioner is working in a clinic with a provider who is new to the practice. The nurse practitioner explains that the practice sees a fair number of infectious diseases that need to be reported to the Department of Health. According to the Centers for Disease Control and Prevention, which of the following disease diagnoses needs to be reported?