Q- A middle-aged woman presents with trouble vision, amenorrhea and galactorrhea for 4 months. Examination reveals bitemporal hemianopsia. Which of the following tests is most likely beneficial to reach the correct diagnosis?
A- Serum glucose
B- Serum growth hormone
C- Serum prolactin
D- Serum TSH
C- Serum prolactin- This case is most likely pituitary adenoma. Lab will reveal hyperprolactinemia. Imaging will show a large sellar mass.
Q- Which one of the following pathologic findings is most likely seen in the bone marrow biopsy in a patient diagnosed with multiple myeloma?
A- Hypercellularity with many blasts
B- Numerous plasma cells
C- Numerous small mature lymphocytes
D- Reed-Sternberg cells
B- Numerous plasma cells- These appear as lytic bone lesions due to accumulation of plasma cells. Multiple myeloma usually leads to renal failure due to deposition of light chains in the kidneys.
Q- Which one of the following pulmonary abnormalities is a complication of cystic fibrosis?
C- Pleural fibrosis
B- Bronchiectasis- Cystic fibrosis may lead to inflammation and obstruction of bronchi with results in dilation and destruction of these bronchi.