An 82 year old man was hospitalized for pneumonia. He was treated with penicillin and discharged after
7 days when his symptoms subsided. Two weeks later, the man was readmitted to the hospital for prem
nin. No bacteria or viruses were cultured from a biopsy specimen. Broad-spectrum antibiotic therapy w
administered. The patient developed pneumonia again after returning home from an 8-day hospital stay
A bronchoscopy showed septate hyphae in his lung tissue. An investigation of his home showed that he did
not keep pets, but some sparrows had nested outside the living room window, he was not a gardener or out
doorsman. Aspergillus was cultured from his humidifier,

a. What is your preliminary identification of the pathogen?
b. Why was the diagnosis delayed?
c. Why did the man's infection recur?

thermophiles, notice the prefix thermo.

hey, i believe your answer would be d. sugar ribose and the base uracil. i believe this is the answer, because rna consists of sugar ribose, adenine, guanine, cytosine, and uracil.

your first option is incorrect, because that's dna. where it consists of sugar deoxyribose, adenine, guanine, cytosine and thymine.

your second option is also incorrect, this is because sugar deoxyribose is in dna, and uracil is in rna. these two do not make sense together.

your third option being incorrect, because sugar ribose is in rna, but not the base of thymine. rna consists of uracil, not thymine.

lastly your fourth option being correct! this answer is correct, because both sugar ribose, and the base uracil are in rna! ~

answer is d. sugar ribose and the base uracil.

colors do exist. the color of the sky is actually violet; humans percieve the color of the sky as blue.