You ma y use your notes, lab manual or lecture textbook and any other resources

Question

You ma y use your notes, lab manual or lecture textbook and any other resources you like to answer the following questions. If you use an outside source, plea se list it at the end of your answer. Case 1: The patient is a 34 year old male who was first diagnosed with HIV infection 18 months previously. He presented with a 2 month history of increasing night sweats that "soak the sheets", severe fatigue, fevers, and chills. He also was severely constipated, with no bowel movement in approximately 2 weeks. On physical examination, a distended abdomen and enlarged liver were observed. He was febrile to 40 degrees C and complained of fatigue, chills, and abdominal pain. Blood examination showed a CD4 count of 10/uL (microliter) compared to a norm of 25/uL. Blood and stool cultures were negative for helminthic parasites. An acid fast stain of sputum is shown below. Despite therapy with five different agents, the patient's condition worsened over the next 6 months, and he died. AFB (acid fast bacilli) stain la. Whst organism was the puaient infected with? lb. What white blood cells are most likely shown? Ic. What disease did the patient have (besides AIDS)? Eosmopmls ace n the blood ld. Explain the importance of the CD4 count. vgnono cyies To know how many co4 T Imp le. How is the di sease organism causing this infection usually spread?

Explanation / Answer

a. What organism the patient infected with?

Strongyloides stercoralis

b. What white blood cell are most likely shown

There will be More Eosinophills

c. What disease did the patient have besides AIDS

d. Explain the importance of CD4 count

To know the number of CD4 T lymphocytes are in the blood

e. How is the disease organism causing this infection usually spread?

The larvae can penetrate the skin of the human host, pass through the circulation to the lungs, enter the airways, be swallowed, and finally reach the intestine, where they mature into adult egg-laying females.

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