Lymph from which of the following parts of the body does not enter into the systemic circulation through the thoracic duct?
Lymph from the lower body
Lymph from the left side of the head
Lymph from the right arm
Lymph from the left arm.
The Correct Answer is C
A. Lymph from the lower body drains into the thoracic duct.
B. Lymph from the left side of the head drains into the thoracic duct as well, which eventually empties into the systemic circulation.
C. Lymph from the right arm does not enter the thoracic duct. It drains into the right lymphatic duct, which then empties into the systemic circulation.
D. Lymph from the left arm drains into the thoracic duct along with lymph from other parts of the body.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. All of the answers are correct — Complement proteins are part of the immune system and contribute to defense in multiple ways:
B. They attract phagocytes to the site of infection through chemotaxis, enhancing the immune response.
C. They promote inflammation by increasing vascular permeability and attracting immune cells.
D. They can destroy cells by forming the membrane attack complex (MAC), which creates pores in the membranes of pathogens, leading to cell lysis.
Correct Answer is C
Explanation
A. Plasma refers to the liquid component of blood, not tissue fluid.
B. Chyle is a specific type of lymph that is rich in fats, typically absorbed from the intestines, and not the general fluid that enters the lymphatic vessels.
C. Lymph is the correct answer. It is the fluid that forms when tissue fluid enters the lymphatic vessels. Lymph is derived from interstitial fluid and contains water, proteins, waste products, and immune cells.
D. Serum is the liquid portion of blood without clotting factors, but it is not related to the lymphatic system.
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