An elderly woman is experiencing fever, chest pain, difficulty breathing, and a cough that occasionally brings up mucus containing blood. She reports having visited family in rural New Mexico over the Labor Day weekend. A GMS-stained sample from her lungs shows the presence of large spherules. Which of the following is the most likely infecting agent?
A) Coccidioides immitis
B) Blastomyces dermatitidis
C) Histoplasma capsulatum
D) Paracoccidioides brasiliensis
E) Trichophyton rubrum
A
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What will be an ideal response?
Environmental factors which can mediate resistance include
A) pH B) Cation concentration C) Atmospheric conditions D) Thymidine concentration E) All of the above
How can urine contain a higher concentration of wastes (be hypertonic) than the blood?
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Briefly describe the bacterial nucleoid and the molecules required for its folding
What will be an ideal response?