Medical Assistant Certification (MAC) AMCA Practice Exam

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Which organ is primarily targeted by Hepatitis B Virus (HBV)?

Heart
Liver
Kidney
Lungs

The correct answer is: Liver

Hepatitis B Virus (HBV) primarily targets the liver, making it the key organ affected by this viral infection. When HBV enters the body, it specifically infects liver cells, known as hepatocytes. This infection can lead to acute or chronic liver disease, which may manifest as inflammation, liver cirrhosis, or even liver cancer over time. The liver plays a crucial role in various bodily functions, including detoxification, protein synthesis, and the production of biochemicals necessary for digestion. Therefore, understanding HBV's impact on the liver is essential for grasping the clinical significance of this viral infection. Other organs such as the heart, kidneys, and lungs are not primarily affected by HBV, which allows for a focused understanding of the disease process and its implications for liver health.