CASE STUDY 2 Sir Robert, a 42-year-old male, returned to his home in England after an adventure along the Nile Delta. On arrival at his estate, Sir Robert began to experience chills and a fever. The fever remained high for about 2 days and then subsided but spiked again after 5 days. He also noticed an abscess on his right leg, which had become swollen, inflamed, and hot. After a few days, his leg began to enlarge. At this point, Sir Thomas promptly set-up an appointment and went to the office of his physician at 4:00 p.m. the next day to seek medical treatment. On determining the patient's recent travel history and performing a physical examination, the physician ordered blood and stool samples for parasite study. In addition, the physician surgically opened the abscess and obtained a sample of the contents for parasitic examination. Laboratory examination of the abscess and stool specimens revealed no parasites. However, the Giemsa-stained slide of the blood contained suspicious organisms, each measuring approximately 260 um in length. The parasite depicts the following structure: Unsheathed, with nuclei not extending to the tip of the tail. 1. Identify the scientific name and morphologic form of the organism observed in the stained blood smear. 2. Determine if the appropriate timing of the blood collection was utilized for this individual. 3. What is the vector for transmission of the organism? 4. What disease is Sir Robert exhibiting? 5. Determine a prevention and control plan that Sir Robert should have used while on his adventure

Human Anatomy & Physiology (11th Edition)
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Author:Elaine N. Marieb, Katja N. Hoehn
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CASE STUDY 2
Sir Robert, a 42-year-old male, returned to his home in England after an adventure along the Nile Delta.
On arrival at his estate, Sir Robert began to experience chills and a fever. The fever remained high for
about 2 days and then subsided but spiked again after 5 days. He also noticed an abscess on his right leg,
which had become swollen, inflamed, and hot. After a few days, his leg began to enlarge. At this point,
Sir Thomas promptly set-up an appointment and went to the office of his physician at 4:00 p.m. the next
day to seek medical treatment. On determining the patient's recent travel history and performing a
physical examination, the physician ordered blood and stool samples for parasite study. In addition, the
physician surgically opened the abscess and obtained a sample of the contents for parasitic examination.
Laboratory examination of the abscess and stool specimens revealed no parasites. However, the
Giemsa-stained slide of the blood contained suspicious organisms, each measuring approximately 260
um in length. The parasite depicts the following structure: Unsheathed, with nuclei not extending to the
tip of the tail.
1. Identify the scientific name and morphologic form of the organism observed in the stained
blood smear.
2. Determine if the appropriate timing of the blood collection was utilized for this individual.
3. What is the vector for transmission of the organism?
4. What disease is Sir Robert exhibiting?
5. Determine a prevention and control plan that Sir Robert should have used while on his
adventure
Transcribed Image Text:CASE STUDY 2 Sir Robert, a 42-year-old male, returned to his home in England after an adventure along the Nile Delta. On arrival at his estate, Sir Robert began to experience chills and a fever. The fever remained high for about 2 days and then subsided but spiked again after 5 days. He also noticed an abscess on his right leg, which had become swollen, inflamed, and hot. After a few days, his leg began to enlarge. At this point, Sir Thomas promptly set-up an appointment and went to the office of his physician at 4:00 p.m. the next day to seek medical treatment. On determining the patient's recent travel history and performing a physical examination, the physician ordered blood and stool samples for parasite study. In addition, the physician surgically opened the abscess and obtained a sample of the contents for parasitic examination. Laboratory examination of the abscess and stool specimens revealed no parasites. However, the Giemsa-stained slide of the blood contained suspicious organisms, each measuring approximately 260 um in length. The parasite depicts the following structure: Unsheathed, with nuclei not extending to the tip of the tail. 1. Identify the scientific name and morphologic form of the organism observed in the stained blood smear. 2. Determine if the appropriate timing of the blood collection was utilized for this individual. 3. What is the vector for transmission of the organism? 4. What disease is Sir Robert exhibiting? 5. Determine a prevention and control plan that Sir Robert should have used while on his adventure
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