Microbiology Question: Download Questions PDF
An elderly Tongan male was diagnosed with multiple myeloma (a form of cancer) and has been treated with chemotherapy agents for two months. He was then admitted to the hospital with new-onset asthma symptoms that became worse when he was treated with steroids. Many small larvae were found in his sputum and he was found to have a hyper-infection with Strongyloides stercoralis. Which statement is false regarding Strongyloides?
Answer:
* A. Strongyloides is a common cause of iron deficiency anemia just like hookworm
* B. The initial infection occurs when larvae penetrate the skin from the soil
* C. Auto infection occurs when the ova hatch and mature in the intestinal tract and then penetrate the intestine to establish a persistent infection
* D. Eosinophilia is present during the migrating phase of the life cycle
* E. Recurrent bacterial infections can develop when bacteria are carried by the larvae into sterile areas of the body
Correct Answer: A
* B. The initial infection occurs when larvae penetrate the skin from the soil
* C. Auto infection occurs when the ova hatch and mature in the intestinal tract and then penetrate the intestine to establish a persistent infection
* D. Eosinophilia is present during the migrating phase of the life cycle
* E. Recurrent bacterial infections can develop when bacteria are carried by the larvae into sterile areas of the body
Correct Answer: A
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