Infectious Diseases — MCQs

A 22-year-old male military recruit complains of a headache and stiff neck. He is examined, blood is drawn, and a lumbar puncture is performed. The glucose in the CSF is 100 mg/dL and the serum glucose is 120 mg/dL. The CSF shows 3 lymphocytes and 0 neutrophils/microliter. Which of the following conclusions concerning the interpretation of these findings is most accurate?

A 26-year-old woman presents with fever, malaise, and jaundice. She denies alcohol abuse but reports consuming raw oysters 3 weeks prior. Physical examination reveals scleral icterus, a mildly enlarged and tender liver. Laboratory studies show markedly increased AST and ALT, and increased IgM and anti-HAV titers. What is the most likely outcome of this infection?

Typhoid intestinal perforation usually occurs in which week of typhoid fever?

Which one of the following is the most likely diagnosis?

What is the most common ocular infection following renal transplantation?

Which of the following is NOT useful in the management of Clostridium difficile colitis?

A 24-year-old female presented to the ER with a characteristic rash and fever. On examination, a chronic lower extremity ulcer related to prior trauma, hypotension, and tachycardia were noted. Diffuse erythema was prominent on palms, conjunctiva, and oral mucosa. Lab findings revealed deranged RFTs, moderately increased SGOT and SGPT, and mild thrombocytopenia. The patient was resuscitated with IV fluid and vasopressors. Blood cultures were negative after 72 hours, and the patient's fingers started to desquamate. Which of the organisms is the most likely cause of the above condition?

A resident doctor sustained a needlestick injury while sampling blood of a patient who is HIV positive. A decision is taken to offer him post-exposure prophylaxis. Which one of the following would be the best recommendation?

Which of the following tests specifically detects Plasmodium falciparum?

Which of the following is not an AIDS-defining lesion?