Infectious Diseases practice questions

A 58-year-old man with established alcohol-related cirrhosis presents with two episodes of black, offensive stool and light-headedness. His blood pressure is 10…

A 24-year-old man presents with two days of sore throat, fever and increasing difficulty swallowing. He has muffled speech, tender cervical nodes and a grey-whi…

A 70-year-old woman vomits during a generalised seizure and becomes cyanosed. One hour later her temperature is 38.4°C, oxygen saturation is 88% on room air and…

A 24-year-old university student presents with three days of migratory joint pain involving both knees and one wrist. He has a temperature of 38.1°C and a small…

A 32-year-old man presents to an Australian emergency department with fever, headache and myalgia 10 days after returning from Papua New Guinea. He took doxycyc…

A 3-year-old child is admitted with invasive Haemophilus influenzae type b infection. The child lives with both parents and a 20-month-old sibling who has recei…

A 9-year-old refugee presents with a sore throat and neck swelling after arriving in Australia from a region with limited vaccination coverage. He is febrile bu…

A 29-year-old Aboriginal man attends an annual health assessment. He injects methamphetamine intermittently and reports sharing a needle once four months ago; h…

A 79-year-old woman with a previous stroke develops fever, cough and a new right lower-zone infiltrate 36 hours after vomiting during a meal. She is alert, has…

A 72-year-old man is admitted with pneumonia after three days of fever, cough and increasing breathlessness. He is alert, but his respiratory rate is 34/min and…

A 34-year-old schoolteacher presents with three weeks of cough. Her illness began with a runny nose and mild sore throat, after which she developed bouts of sev…

A 54-year-old woman presents with a painful, swollen right knee that became symptomatic over 12 hours. She has a temperature of 37.8°C and is unable to fully fl…