A 22-year-old woman arrives to the clinic after suffering from severe weariness for two weeks, which has prevented her from attending college classes. Fever and a sore throat preceded the weariness, but these have since subsided. The patient is a Turkish exchange student with no past medical issues. She does not smoke, drink, or use illegal drugs. The vital indicators are within normal ranges. There are no abnormalities found during an oropharyngeal examination. Bilaterally, there are numerous swollen lymph nodes posterior to the sternocleidomastoid muscle. The cardiopulmonary test is unremarkable. 1 cm below the left costal border, the spleen is palpable. There are no skin rashes or other signs of lymphadenopathy. As indicated in the display, peripheral blood examination reveals an increase in the number of aberrant white blood cells. The observed cytoplasmic granules of these cells are most likely to contain which of the following substances?

Question

A 22-year-old woman arrives to the clinic after suffering from severe weariness for two weeks, which has prevented her from attending college classes. Fever and a sore throat preceded the weariness, but these have since subsided. The patient is a Turkish exchange student with no past medical issues. She does not smoke, drink, or use illegal drugs. The vital indicators are within normal ranges. There are no abnormalities found during an oropharyngeal examination. Bilaterally, there are numerous swollen lymph nodes posterior to the sternocleidomastoid muscle. The cardiopulmonary test is unremarkable. 1 cm below the left costal border, the spleen is palpable. There are no skin rashes or other signs of lymphadenopathy. As indicated in the display, peripheral blood examination reveals an increase in the number of aberrant white blood cells.  The observed cytoplasmic granules of these cells are most likely to contain which of the following substances?

Quizplus · Accepted Answer

Eductional Objective: Reactive lymphocytes are pathogen-specific cytotoxic T cells or natural killer cells that develop in response to intracellular infections. Reactive cells are larger, scalloped, and contain more cytoplasm than normal lymphocytes. Infectious mononucleosis is distinguished by reactive lymphocytosis.

A 22-Year-Old Woman Arrives to the Clinic After Suffering from Severe