Lectus

A 24-year-old man is brought to the emergency department by ambulance for an acute mental status change. His parents arrive and state that they found him unresponsive on the floor in his room, and that there was an empty bottle of oxycodone laying on his bed. On physical examination, he is not responsive to any stimuli. Miosis is present bilaterally. Respiratory rate is 8/min and shallow, blood pressure is 60/40 mm Hg, and pulse is 45/min. The man was treated emergently with a certain medication.

What type of medication was it?Deselect Answer

A 28-year-old man presents with a 1-week history of penile discharge. He reports painful urination in the mornings, and sometimes feels a lingering pain in his genital region throughout the day. He denies any fever, body aches, or joint pains. Past medical history is insignificant, and he does not take any medications. When asked about social history, he reports frequent intercourse with women he meets in bars and does not always remember to use a condom. Physical exam reveals a thick yellow penile discharge, which is collected and sent for analysis. Ceftriaxone is administered intramuscularly and the patient is sent home with a prescription for an oral medication. Which of the following oral drugs was most likely prescribed?Deselect Answer

A 1-month-old girl is brought to the pediatrician by her parents. They are concerned because she becomes lethargic and irritated between meals. They found that feeding her often with small servings helps. She was born at 39 weeks via spontaneous vaginal delivery and is meeting all developmental milestones. Her mother has 1 brother who occasionally requires blood transfusions. The child's blood pressure is 55/33 mm Hg, heart rate is 120/min, respiratory rate is 40/min, and temperature is 37.0°C (98.6°F). On physical exam, she is slightly jaundiced and appears irritated. Her heart has a regular rate and rhythm, with no abnormal sounds or murmurs, and her lungs are clear to auscultation bilaterally. Her blood work shows normocytic anemia with an elevated reticulocyte count and decreased haptoglobin. Sickle cell anemia and other hemoglobinopathies are also ruled out. A Coombs test is negative. The red blood cell osmotic fragility gap is normal. The physician determined that these findings are related to an enzyme deficiency. Which of the following allosterically inhibits this enzyme?Deselect Answer

A 25-year-old construction worker presents to the emergency department because of severe ear pain and purulent discharge from his left ear after a workplace accident involving a high-pressure air hose. Physical examination reveals a 3-mm perforation in the tympanic membrane with surrounding erythema and purulent material. The patient reports decreased hearing and fullness in the affected ear. Gram stain of the discharge shows gram-positive diplococci. Which of the following pathogens is most likely responsible for this patient's condition?Deselect Answer