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Chapter 23: Problem 8

Which is most endemic area of HTLV-I? a. North America b. Caribbean c. Europe

Short Answer

Expert verified
a. North America b. Caribbean c. Europe Answer: b. Caribbean

Step by step solution

01

Define endemic and HTLV-I

To solve this exercise, you first need to understand what the terms "endemic" and "HTLV-I" mean. Endemic refers to the constant presence of a disease within a particular geographical area or population. HTLV-I (Human T-cell Leukemia Virus Type I) is a retrovirus that can cause a type of cancer known as adult T-cell leukemia/lymphoma (ATL), as well as other inflammatory diseases and conditions.
02

Research HTLV-I epidemiology

Next, you should research the distribution of HTLV-I infections worldwide. This will help you identify which of the given areas has the highest prevalence of HTLV-I infections. It's important to rely on up-to-date resources, such as research articles, medical databases, and trustworthy websites.
03

Compare the prevalence in given areas

After researching the distribution of HTLV-I infections, compare the information for North America, the Caribbean, and Europe. Focus on the reports about prevalent rates, looking for the area with the highest prevalence of HTLV-I among these regions.
04

Choose the most endemic area of HTLV-I

Based on the information gathered, select the area that has the highest prevalence of HTLV-I infections, which makes it the most endemic area of HTLV-I among the given options. After following these steps and researching HTLV-I epidemiology, we find that the most endemic area among the given choices is: Answer: b. Caribbean

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Most popular questions from this chapter

What type of human leukocyte antigen (HLA) is regarded as the higher risk factor associated with HAM/TSP? a. HLA-A*02(+) b. HLA-Cw=08( \(+)\) c. HLA-DRB1*0101(+)

Which part is histopathologically affected in spinal cord of HAM/TSP? a. Axon b. Myelin c. Axon and Myelin

Which level of spinal cord is predominantly affected in patients with HAM/TSP? a. cervical level b. thoracic level c. lumbar level

Which is characteristically detected in \(T\) cells of patients with HAM/SSP? a. Spontaneous lymphoproliferation b. Down-regulation of the ratio of CD4/CD8 c. Eruption of the "flower cells"

Which adhesion molecules are mostly detected in the spinal cord of HAM/TSP? a. ICAM-1 b. VCAM-1 c. ICAM-1 and VCAM-1
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