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