Order cause of traveler’s diarrhea assignment

Order cause of traveler’s diarrhea assignment
A 35-year-old male with a history of sickle cell disease presents with acute onset of fever, malaise,
fatigue, and lightheadedness. Physical examination demonstrates a tachycardic patient with pale
conjunctivae. You suspect aplastic crisis and draw a complete blood count with reticulocyte count.
You review his old records and note that the patient’s baseline hemoglobin level is 8 g/dL. Which of
the following laboratory abnormalities is most consistent with an aplastic crisis?
A. Hemoglobin 8 g/dL, reticulocyte count 6%
B. Hemoglobin 8 g/dL, reticulocyte count 1%
C. Hemoglobin 6 g/dL, reticulocyte count 6%
D. Hemoglobin 6 g/dL, reticulocyte count 1%
E. Hemoglobin 4 g/dL, reticulocyte count 6%
46. A 22-year-old male presents with rash, lightheadedness, and generalized malaise. He denies fever or
pruritus. A few hours before presentation, he was seen in another emergency department (ED) and
received treatment for syphilis. He denies any medication allergies. His vital signs are 99.2, 94, 16,
134/65, 99% RA. His physical examination demonstrates a normal uvula, no pulmonary wheezes, and
a faint macular rash on his trunk and abdomen, which he states was there before he received the
treatment today. Which of the following is the most appropriate next step in management?
A. Immediate endotracheal intubation
B. IM epinephrine
C. Diphenhydramine and famotidine
D. Prednisone
E. Acetaminophen and observation
47. What is the most common cause of traveler’s diarrhea?
A. Shigella spp.
B. Giardia lamblia
C. Salmonella spp.
D. Rotavirus
E. Enterotoxigenic Escherichia coli (ETEC)
48. A 72-year-old male arrives at the hospital with acute right-sided facial droop and right arm and leg
weakness. He is immediately sent to the CT scanner where he has a generalized seizure lasting just
over a minute. While the seizure terminates without intervention, the patient is brought back to the
emergency department immediately because of severe bradycardia and ventricular escape beats. In
addition to atropine, what other measures will most likely be helpful?
A. Dopamine
B. Continuous albuterol
C. Epinephrine
D. Bicarbonate
E. Calcium
49. Which of the following is true regarding gonococcal septic arthritis?
A. Open surgical drainage is usually required.
B. It is more common in men than in women.
C. Genitourinary symptoms occur in most patients.
D. Synovial fluid Gram stain is positive more often than culture.
E. The hip is the most common joint affected.
50. Which of the following parenteral agents is the initial preferred agent for blood pressure management
in patients with acute aortic dissection?
A. Hydralazine
B. Enalapril
C. Labetalol
D. Diltiazem
E. Nicardip