Repeated USMLE Questions Step 1- 377

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Q- A 32-year old woman presents with burning micturition, frequency and pain in the suprapubic region. There is no fever, vaginal discharge or pruritus. She had no similar episodes and she is not taken any medications. Which of the following is the most likely causative organism of this condition?
A- Campylobacter
B- Escherichia coli
C- Staphylococcus aureus
D- Streptococcus viridans

Q- A 15-year-old girl presents with potential growth delay. She had traumatic brain injury two years ago due to a car accident. Her secondary sex characteristics are absent. Endocrine profile shows low FSH, LH, estradiol, DTEAS and prolactin. What is the most likely diagnosis?
A- Hashimoto’s disease
B- Post-traumatic hypopituitarism
C- Primary adrenal insufficiency
D- Tanner syndrome

Q- A 70-year-old man with a history of paraplegia develops sudden pleuritic chest pain. A chest CT scan shows a hemorrhagic wedge-shaped pleural based area localized in the right lower lobe. Which of the following is the most likely cause of this lesion?
A- Atherosclerosis
B- Embolism
C- Inflammation
D- Thrombosis

Answer and Explanation