test

A 30 year old female patient presents with weakness.
Lab – pH 7.28, HCO3 16, CO2 31, K 3 (3.5-5.3), Chloride 110, Sodium 136.
Which of the following is most likely to be the etiology of her condition?

A 33 year old male underwent a PPD test with a tuberculin reaction test of 8 mm.
Which of the following is an indication to initiate treatment for latent TB in this patient?

A 77 year old woman was referred to the ER because of  fever, fatigue, low intake, redness and warmth over her left leg. On the admission- : BP 130/84, HR 140. Labs – Creatinine 1.1 mg/dL.
A diagnosis of cellulitis was made and cefazolin was started . 10 days later the cellulitis improved significantly, but now she complains of fever and a new rash. Lab – creatinine 2.8, eosinophils 1400.
Which of the following is expected on the urine sediment?

A 76 year old man is treated with clindamycin after dental therapy. A week later he started to suffer from fever, abdominal pain and frequent diarrhea. Stool test for clostridium difficile toxin was positive. Labs- WBC 18000, Cr 1.8 mg/dl (baseline creatinine 0.8).

Which of the following is the most appropriate management?

A 67 year old man visited the ER complaining of high fever, cough and confusion that started 3 days ago. BP 135/80, HR 110 per minute, temperature 38.5. On lung auscultation there is decreased air entry with crackles heard best in right lower lobe. Chest x-ray shows infiltrate  in the right lower lobe. CBC shows 18000 with 85% neutrophils. Sputum analysis shows neutrophils without any microorganism.
What is the most appropriate management?

Which of the following is the most common acute complication of hemodialysis?