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HONDROS BIO 254 EXAM 1 QUESTIONS
AND ANSWERS 100% SOL VED
Question : What are the functions of the lymphatic
system?
Correct answer: 1. Drain excess interstitial fluid
- Help prevent edema
- Absorb lipids from the digestive system
- Defend body from disease
Question : What are the organs of the lymphatic system
Correct answer: Spleen, lymph nodes, lymphatic vessels
Question : Where are lymph nodes found?
Correct answer: Everywhere in the body except the CNS (
brain and spinal cord)
Question : What does the lymphatic system do?
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Correct answer: Protects the human body against
infection and returns interstitial fluid back to the circulatory system
Question : What are the 2 main lymphatic ducts
Correct answer: Thoracic duct and right lymphatic duct
Question : What portion of the body does the thoracic
duct drain?
Correct answer: 75% of the body, Left upper body, left
and right lower body
Question : What portion of the body does the right
lymphatic duct drain?
Correct answer: 25%, right upper portion
Question : Where do the 2 lymphatic ducts empty/drain?
Correct answer: Subclavian vein, then back to the
circulatory system
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Question : What is the largest lymphatic organ?
Correct answer: Spleen
Question : What do lymphatic vessels contain, what do
they do?
Correct answer: Valves, help maintain lymph circulation
and prevents backflow
Question : What does skeletal muscle contractions and
inspirations do?
Correct answer: help maintain lymphatic circulation
Question : Innate Immunity
Correct answer: Non-specific
Physical barriers Phagocytosis ( inflammation )
Question : Adaptive Immunity
Correct answer: Involves B and T cells
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Carried out by lymphocytes
Question : What is Humoral Immunity
Correct answer: B cells and antibodies
Question : What is cell mediated immunity?
Correct answer: T cells ( T lymphocytes )
Question : What are functions of interferons
Correct answer: Immune signaling for molecules to target
and prevent the spread of viruses
Question : What is the most abundant Immunoglobulin
Correct answer: IgG- acts on bacteria, viruses, and toxins,
activates complement
Question : What immunoglobulin can be found in tears,
saliva, and breast milk?