The site by which a pathogen enters the body is called:
Portal of entry
Blood
Respiratory tract
Inflammation
The Correct Answer is A
A. The portal of entry is the specific site or pathway through which a pathogen enters the body, such as the skin, mucous membranes, or respiratory and digestive tracts.
B. Blood is not the site of entry but rather a medium that can carry pathogens throughout the body once they have entered through a portal of entry.
C. The respiratory tract is a common portal of entry for many pathogens (like viruses or bacteria), but it is just one example of a portal of entry, not the general term for it.
D. Inflammation is an immune response to infection or injury, not a site of entry for
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Blood contains various types of cells, such as red blood cells and white blood cells, but dust cells are not found in the blood.
B. Dust cells are a type of macrophage found in the lungs. They are responsible for engulfing and clearing inhaled particles, dust, and pathogens from the respiratory system.
C. The liver contains Kupffer cells, which are macrophages that filter blood, but dust cells are not found in the liver.
D. The small intestine contains various immune cells, but dust cells are not among them. The small intestine has its own specialized immune cells like Peyer's patches.
Correct Answer is B
Explanation
A. Inguinal nodes are located in the groin area, not in the knee.
B. Popliteal nodes are located behind the knee (in the popliteal fossa) and are responsible for filtering lymph from the lower leg and foot.
C. Tibial nodes are not a specific term used for lymph nodes in the knee area.
D. Mesenteric nodes are located in the abdomen and are associated with the digestive system, not the knee.
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